-----------------------------------------------------------------------------
-- |
-- Module    : Data.SBV.Core.Symbolic
-- Copyright : (c) Levent Erkok
-- License   : BSD3
-- Maintainer: erkokl@gmail.com
-- Stability : experimental
--
-- Symbolic values
-----------------------------------------------------------------------------

{-# LANGUAGE BangPatterns               #-}
{-# LANGUAGE CPP                        #-}
{-# LANGUAGE DefaultSignatures          #-}
{-# LANGUAGE DeriveDataTypeable         #-}
{-# LANGUAGE DeriveFunctor              #-}
{-# LANGUAGE DeriveGeneric              #-}
{-# LANGUAGE FlexibleInstances          #-}
{-# LANGUAGE FunctionalDependencies     #-}
{-# LANGUAGE GADTs                      #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE NamedFieldPuns             #-}
{-# LANGUAGE OverloadedStrings          #-}
{-# LANGUAGE PatternGuards              #-}
{-# LANGUAGE Rank2Types                 #-}
{-# LANGUAGE ScopedTypeVariables        #-}
{-# LANGUAGE TupleSections              #-}
{-# LANGUAGE TypeOperators              #-}
{-# LANGUAGE UndecidableInstances       #-} -- for undetermined s in MonadState
{-# LANGUAGE ViewPatterns               #-}

{-# OPTIONS_GHC -Wall -Werror -fno-warn-orphans #-}

module Data.SBV.Core.Symbolic
  ( NodeId(..)
  , SV(..), swKind, trueSV, falseSV
  , Op(..), PBOp(..), OvOp(..), FPOp(..), NROp(..), StrOp(..), RegExOp(..), SeqOp(..), SetOp(..)
  , RegExp(..), regExpToSMTString
  , Quantifier(..), needsExistentials, VarContext(..)
  , RoundingMode(..)
  , SBVType(..), svUninterpreted, newUninterpreted
  , SVal(..)
  , svMkSymVar, sWordN, sWordN_, sIntN, sIntN_
  , ArrayContext(..), ArrayInfo
  , svToSV, svToSymSV, forceSVArg
  , SBVExpr(..), newExpr, isCodeGenMode, isSafetyCheckingIStage, isRunIStage, isSetupIStage
  , Cached, cache, uncache, modifyState, modifyIncState
  , ArrayIndex(..), uncacheAI
  , NamedSymVar(..), Name, UserInputs, Inputs(..), getSV, swNodeId, namedNodeId, getUniversals
  , prefixExistentials, prefixUniversals, onUserInputs, onInternInputs, onAllInputs
  , addInternInput, addUserInput, getInputs, inputsFromListWith, userInputsToList
  , getUserName', internInputsToList, inputsToList, quantifier, namedSymVar, getUserName
  , lookupInput , getSValPathCondition, extendSValPathCondition
  , getTableIndex
  , SBVPgm(..), MonadSymbolic(..), SymbolicT, Symbolic, runSymbolic, State(..), withNewIncState, IncState(..), incrementInternalCounter
  , inSMTMode, SBVRunMode(..), IStage(..), Result(..)
  , registerKind, registerLabel, recordObservable
  , addAssertion, addNewSMTOption, imposeConstraint, internalConstraint, internalVariable
  , SMTLibPgm(..), SMTLibVersion(..), smtLibVersionExtension
  , SolverCapabilities(..)
  , extractSymbolicSimulationState, CnstMap
  , OptimizeStyle(..), Objective(..), Penalty(..), objectiveName, addSValOptGoal
  , MonadQuery(..), QueryT(..), Query, Queriable(..), Fresh(..), QueryState(..), QueryContext(..)
  , SMTScript(..), Solver(..), SMTSolver(..), SMTResult(..), SMTModel(..), SMTConfig(..), SMTEngine
  , validationRequested, outputSVal
  ) where

import Control.Arrow               ((***))
import Control.DeepSeq             (NFData(..))
import Control.Monad               (when)
import Control.Monad.Except        (MonadError, ExceptT)
import Control.Monad.Reader        (MonadReader(..), ReaderT, runReaderT,
                                    mapReaderT)
import Control.Monad.State.Lazy    (MonadState)
import Control.Monad.Trans         (MonadIO(liftIO), MonadTrans(lift))
import Control.Monad.Trans.Maybe   (MaybeT)
import Control.Monad.Writer.Strict (MonadWriter)
import Data.Char                   (isAlpha, isAlphaNum, toLower)
import Data.IORef                  (IORef, newIORef, readIORef)
import Data.List                   (intercalate, sortBy)
import Data.Maybe                  (isJust, fromJust, fromMaybe)
import Data.String                 (IsString(fromString))

import Data.Time (getCurrentTime, UTCTime)

import GHC.Stack
import GHC.Generics (Generic)

import qualified Control.Monad.State.Lazy    as LS
import qualified Control.Monad.State.Strict  as SS
import qualified Control.Monad.Writer.Lazy   as LW
import qualified Control.Monad.Writer.Strict as SW
import qualified Data.IORef                  as R    (modifyIORef')
import qualified Data.Generics               as G    (Data(..))
import qualified Data.IntMap.Strict          as IMap (IntMap, empty, toAscList, lookup, insertWith)
import qualified Data.Map.Strict             as Map  (Map, empty, toList, lookup, insert, size)
import qualified Data.Set                    as Set  (Set, empty, toList, insert, member)
import qualified Data.Foldable               as F    (toList)
import qualified Data.Sequence               as S    (Seq, empty, (|>), (<|), filter, takeWhileL, fromList, lookup, elemIndexL)
import qualified Data.Text                   as T

import System.Mem.StableName

import Data.SBV.Core.Kind
import Data.SBV.Core.Concrete
import Data.SBV.SMT.SMTLibNames
import Data.SBV.Utils.TDiff (Timing)
import Data.SBV.Utils.Lib   (stringToQFS)

import Data.SBV.Control.Types

#if MIN_VERSION_base(4,11,0)
import Control.Monad.Fail as Fail
#endif

-- | A symbolic node id
newtype NodeId = NodeId { NodeId -> Int
getId :: Int }
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-- | A symbolic word, tracking it's signedness and size.
data SV = SV !Kind !NodeId
        deriving Typeable SV
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-- | For equality, we merely use the node-id
instance Eq SV where
  SV Kind
_ NodeId
n1 == :: SV -> SV -> Bool
== SV Kind
_ NodeId
n2 = NodeId
n1 NodeId -> NodeId -> Bool
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== NodeId
n2

-- | Again, simply use the node-id for ordering
instance Ord SV where
  SV Kind
_ NodeId
n1 compare :: SV -> SV -> Ordering
`compare` SV Kind
_ NodeId
n2 = NodeId
n1 NodeId -> NodeId -> Ordering
forall a. Ord a => a -> a -> Ordering
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n2

instance HasKind SV where
  kindOf :: SV -> Kind
kindOf (SV Kind
k NodeId
_) = Kind
k

instance Show SV where
  show :: SV -> String
show (SV Kind
_ (NodeId Int
n)) = case Int
n of
                             -2 -> String
"false"
                             -1 -> String
"true"
                             Int
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n

-- | Kind of a symbolic word.
swKind :: SV -> Kind
swKind :: SV -> Kind
swKind (SV Kind
k NodeId
_) = Kind
k

-- | retrieve the node id of a symbolic word
swNodeId :: SV -> NodeId
swNodeId :: SV -> NodeId
swNodeId (SV Kind
_ NodeId
nid) = NodeId
nid

-- | Forcing an argument; this is a necessary evil to make sure all the arguments
-- to an uninterpreted function are evaluated before called; the semantics of uinterpreted
-- functions is necessarily strict; deviating from Haskell's
forceSVArg :: SV -> IO ()
forceSVArg :: SV -> IO ()
forceSVArg (SV Kind
k NodeId
n) = Kind
k Kind -> IO () -> IO ()
`seq` NodeId
n NodeId -> IO () -> IO ()
`seq` () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()

-- | Constant False as an 'SV'. Note that this value always occupies slot -2.
falseSV :: SV
falseSV :: SV
falseSV = Kind -> NodeId -> SV
SV Kind
KBool (NodeId -> SV) -> NodeId -> SV
forall a b. (a -> b) -> a -> b
$ Int -> NodeId
NodeId (-Int
2)

-- | Constant True as an 'SV'. Note that this value always occupies slot -1.
trueSV :: SV
trueSV :: SV
trueSV  = Kind -> NodeId -> SV
SV Kind
KBool (NodeId -> SV) -> NodeId -> SV
forall a b. (a -> b) -> a -> b
$ Int -> NodeId
NodeId (-Int
1)

-- | Symbolic operations
data Op = Plus
        | Times
        | Minus
        | UNeg
        | Abs
        | Quot
        | Rem
        | Equal
        | NotEqual
        | LessThan
        | GreaterThan
        | LessEq
        | GreaterEq
        | Ite
        | And
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        | XOr
        | Not
        | Shl
        | Shr
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        | Extract Int Int                       -- Extract i j: extract bits i to j. Least significant bit is 0 (big-endian)
        | Join                                  -- Concat two words to form a bigger one, in the order given
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        | IEEEFP FPOp                           -- Floating-point ops, categorized separately
        | NonLinear NROp                        -- Non-linear ops (mostly trigonometric), categorized separately
        | OverflowOp    OvOp                    -- Overflow-ops, categorized separately
        | PseudoBoolean PBOp                    -- Pseudo-boolean ops, categorized separately
        | StrOp StrOp                           -- String ops, categorized separately
        | RegExOp RegExOp                       -- RegEx operations, categorized separately
        | SeqOp SeqOp                           -- Sequence ops, categorized separately
        | SetOp SetOp                           -- Set operations, categorized separately
        | TupleConstructor Int                  -- Construct an n-tuple
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        | MaybeConstructor Kind Bool            -- Construct a maybe value; False: Nothing, True: Just
        | MaybeIs Kind Bool                     -- Maybe tester; False: nothing, True: just
        | MaybeAccess                           -- Maybe branch access; grab the contents of the just
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-- | Floating point operations
data FPOp = FP_Cast        Kind Kind SV   -- From-Kind, To-Kind, RoundingMode. This is "value" conversion
          | FP_Reinterpret Kind Kind      -- From-Kind, To-Kind. This is bit-reinterpretation using IEEE-754 interchange format
          | FP_Abs
          | FP_Neg
          | FP_Add
          | FP_Sub
          | FP_Mul
          | FP_Div
          | FP_FMA
          | FP_Sqrt
          | FP_Rem
          | FP_RoundToIntegral
          | FP_Min
          | FP_Max
          | FP_ObjEqual
          | FP_IsNormal
          | FP_IsSubnormal
          | FP_IsZero
          | FP_IsInfinite
          | FP_IsNaN
          | FP_IsNegative
          | FP_IsPositive
          deriving (FPOp -> FPOp -> Bool
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-- Note that the show instance maps to the SMTLib names. We need to make sure
-- this mapping stays correct through SMTLib changes. The only exception
-- is FP_Cast; where we handle different source/origins explicitly later on.
instance Show FPOp where
   show :: FPOp -> String
show (FP_Cast Kind
f Kind
t SV
r)      = String
"(FP_Cast: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
f String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" -> " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
t String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
", using RM [" String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
r String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"])"
   show (FP_Reinterpret Kind
f Kind
t) = case Kind
t of
                                  Kind
KFloat    -> String
"(_ to_fp 8 24)"
                                  Kind
KDouble   -> String
"(_ to_fp 11 53)"
                                  KFP Int
eb Int
sb -> String
"(_ to_fp " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
eb String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
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forall a. [a] -> [a] -> [a]
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show Int
sb String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
                                  Kind
_         -> ShowS
forall a. HasCallStack => String -> a
error ShowS -> ShowS
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$ String
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forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
f String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" to " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
t
   show FPOp
FP_Abs               = String
"fp.abs"
   show FPOp
FP_Neg               = String
"fp.neg"
   show FPOp
FP_Add               = String
"fp.add"
   show FPOp
FP_Sub               = String
"fp.sub"
   show FPOp
FP_Mul               = String
"fp.mul"
   show FPOp
FP_Div               = String
"fp.div"
   show FPOp
FP_FMA               = String
"fp.fma"
   show FPOp
FP_Sqrt              = String
"fp.sqrt"
   show FPOp
FP_Rem               = String
"fp.rem"
   show FPOp
FP_RoundToIntegral   = String
"fp.roundToIntegral"
   show FPOp
FP_Min               = String
"fp.min"
   show FPOp
FP_Max               = String
"fp.max"
   show FPOp
FP_ObjEqual          = String
"="
   show FPOp
FP_IsNormal          = String
"fp.isNormal"
   show FPOp
FP_IsSubnormal       = String
"fp.isSubnormal"
   show FPOp
FP_IsZero            = String
"fp.isZero"
   show FPOp
FP_IsInfinite        = String
"fp.isInfinite"
   show FPOp
FP_IsNaN             = String
"fp.isNaN"
   show FPOp
FP_IsNegative        = String
"fp.isNegative"
   show FPOp
FP_IsPositive        = String
"fp.isPositive"

-- | Non-linear operations
data NROp = NR_Sin
          | NR_Cos
          | NR_Tan
          | NR_ASin
          | NR_ACos
          | NR_ATan
          | NR_Sqrt
          | NR_Sinh
          | NR_Cosh
          | NR_Tanh
          | NR_Exp
          | NR_Log
          | NR_Pow
          deriving (NROp -> NROp -> Bool
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-- | The show instance carefully arranges for these to be printed as it can be understood by dreal
instance Show NROp where
  show :: NROp -> String
show NROp
NR_Sin  = String
"sin"
  show NROp
NR_Cos  = String
"cos"
  show NROp
NR_Tan  = String
"tan"
  show NROp
NR_ASin = String
"asin"
  show NROp
NR_ACos = String
"acos"
  show NROp
NR_ATan = String
"atan"
  show NROp
NR_Sinh = String
"sinh"
  show NROp
NR_Cosh = String
"cosh"
  show NROp
NR_Tanh = String
"tanh"
  show NROp
NR_Sqrt = String
"sqrt"
  show NROp
NR_Exp  = String
"exp"
  show NROp
NR_Log  = String
"log"
  show NROp
NR_Pow  = String
"pow"

-- | Pseudo-boolean operations
data PBOp = PB_AtMost  Int        -- ^ At most k
          | PB_AtLeast Int        -- ^ At least k
          | PB_Exactly Int        -- ^ Exactly k
          | PB_Le      [Int] Int  -- ^ At most k,  with coefficients given. Generalizes PB_AtMost
          | PB_Ge      [Int] Int  -- ^ At least k, with coefficients given. Generalizes PB_AtLeast
          | PB_Eq      [Int] Int  -- ^ Exactly k,  with coefficients given. Generalized PB_Exactly
          deriving (PBOp -> PBOp -> Bool
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-- | Overflow operations
data OvOp = Overflow_SMul_OVFL   -- ^ Signed multiplication overflow
          | Overflow_SMul_UDFL   -- ^ Signed multiplication underflow
          | Overflow_UMul_OVFL   -- ^ Unsigned multiplication overflow
          deriving (OvOp -> OvOp -> Bool
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-- | Show instance. It's important that these follow the internal z3 names
instance Show OvOp where
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show OvOp
Overflow_SMul_OVFL = String
"bvsmul_noovfl"
  show OvOp
Overflow_SMul_UDFL = String
"bvsmul_noudfl"
  show OvOp
Overflow_UMul_OVFL = String
"bvumul_noovfl"

-- | String operations. Note that we do not define @StrAt@ as it translates to 'StrSubstr' trivially.
data StrOp = StrConcat       -- ^ Concatenation of one or more strings
           | StrLen          -- ^ String length
           | StrUnit         -- ^ Unit string
           | StrNth          -- ^ Nth element
           | StrSubstr       -- ^ Retrieves substring of @s@ at @offset@
           | StrIndexOf      -- ^ Retrieves first position of @sub@ in @s@, @-1@ if there are no occurrences
           | StrContains     -- ^ Does @s@ contain the substring @sub@?
           | StrPrefixOf     -- ^ Is @pre@ a prefix of @s@?
           | StrSuffixOf     -- ^ Is @suf@ a suffix of @s@?
           | StrReplace      -- ^ Replace the first occurrence of @src@ by @dst@ in @s@
           | StrStrToNat     -- ^ Retrieve integer encoded by string @s@ (ground rewriting only)
           | StrNatToStr     -- ^ Retrieve string encoded by integer @i@ (ground rewriting only)
           | StrToCode       -- ^ Equivalent to Haskell's ord
           | StrFromCode     -- ^ Equivalent to Haskell's chr
           | StrInRe RegExp  -- ^ Check if string is in the regular expression
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forall u. Int -> (forall d. Data d => d -> u) -> RegExOp -> u
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forall r r'.
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forall r r'.
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forall (m :: * -> *).
Monad m =>
(forall d. Data d => d -> m d) -> RegExOp -> m RegExOp
forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> RegExOp -> m RegExOp
forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c RegExOp
forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> RegExOp -> c RegExOp
forall (t :: * -> *) (c :: * -> *).
Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c RegExOp)
forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c RegExOp)
$cRegExNEq :: Constr
$cRegExEq :: Constr
$tRegExOp :: DataType
gmapMo :: (forall d. Data d => d -> m d) -> RegExOp -> m RegExOp
$cgmapMo :: forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> RegExOp -> m RegExOp
gmapMp :: (forall d. Data d => d -> m d) -> RegExOp -> m RegExOp
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(forall d. Data d => d -> m d) -> RegExOp -> m RegExOp
gmapM :: (forall d. Data d => d -> m d) -> RegExOp -> m RegExOp
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Monad m =>
(forall d. Data d => d -> m d) -> RegExOp -> m RegExOp
gmapQi :: Int -> (forall d. Data d => d -> u) -> RegExOp -> u
$cgmapQi :: forall u. Int -> (forall d. Data d => d -> u) -> RegExOp -> u
gmapQ :: (forall d. Data d => d -> u) -> RegExOp -> [u]
$cgmapQ :: forall u. (forall d. Data d => d -> u) -> RegExOp -> [u]
gmapQr :: (r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> RegExOp -> r
$cgmapQr :: forall r r'.
(r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> RegExOp -> r
gmapQl :: (r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> RegExOp -> r
$cgmapQl :: forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> RegExOp -> r
gmapT :: (forall b. Data b => b -> b) -> RegExOp -> RegExOp
$cgmapT :: (forall b. Data b => b -> b) -> RegExOp -> RegExOp
dataCast2 :: (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c RegExOp)
$cdataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c RegExOp)
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(forall d. Data d => c (t d)) -> Maybe (c RegExOp)
dataTypeOf :: RegExOp -> DataType
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toConstr :: RegExOp -> Constr
$ctoConstr :: RegExOp -> Constr
gunfold :: (forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c RegExOp
$cgunfold :: forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c RegExOp
gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> RegExOp -> c RegExOp
$cgfoldl :: forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> RegExOp -> c RegExOp
$cp1Data :: Typeable RegExOp
G.Data)

-- | Regular expressions. Note that regular expressions themselves are
-- concrete, but the 'Data.SBV.RegExp.match' function from the 'Data.SBV.RegExp.RegExpMatchable' class
-- can check membership against a symbolic string/character. Also, we
-- are preferring a datatype approach here, as opposed to coming up with
-- some string-representation; there are way too many alternatives
-- already so inventing one isn't a priority. Please get in touch if you
-- would like a parser for this type as it might be easier to use.
data RegExp = Literal String       -- ^ Precisely match the given string
            | All                  -- ^ Accept every string
            | AllChar              -- ^ Accept every single character
            | None                 -- ^ Accept no strings
            | Range Char Char      -- ^ Accept range of characters
            | Conc  [RegExp]       -- ^ Concatenation
            | KStar RegExp         -- ^ Kleene Star: Zero or more
            | KPlus RegExp         -- ^ Kleene Plus: One or more
            | Opt   RegExp         -- ^ Zero or one
            | Comp  RegExp         -- ^ Complement of regular expression
            | Diff  RegExp RegExp  -- ^ Difference of regular expressions
            | Loop  Int Int RegExp -- ^ From @n@ repetitions to @m@ repetitions
            | Power Int     RegExp -- ^ Exactly @n@ repetitions, i.e., nth power
            | Union [RegExp]       -- ^ Union of regular expressions
            | Inter RegExp RegExp  -- ^ Intersection of regular expressions
            deriving (RegExp -> RegExp -> Bool
(RegExp -> RegExp -> Bool)
-> (RegExp -> RegExp -> Bool) -> Eq RegExp
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: RegExp -> RegExp -> Bool
$c/= :: RegExp -> RegExp -> Bool
== :: RegExp -> RegExp -> Bool
$c== :: RegExp -> RegExp -> Bool
Eq, Eq RegExp
Eq RegExp
-> (RegExp -> RegExp -> Ordering)
-> (RegExp -> RegExp -> Bool)
-> (RegExp -> RegExp -> Bool)
-> (RegExp -> RegExp -> Bool)
-> (RegExp -> RegExp -> Bool)
-> (RegExp -> RegExp -> RegExp)
-> (RegExp -> RegExp -> RegExp)
-> Ord RegExp
RegExp -> RegExp -> Bool
RegExp -> RegExp -> Ordering
RegExp -> RegExp -> RegExp
forall a.
Eq a
-> (a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
min :: RegExp -> RegExp -> RegExp
$cmin :: RegExp -> RegExp -> RegExp
max :: RegExp -> RegExp -> RegExp
$cmax :: RegExp -> RegExp -> RegExp
>= :: RegExp -> RegExp -> Bool
$c>= :: RegExp -> RegExp -> Bool
> :: RegExp -> RegExp -> Bool
$c> :: RegExp -> RegExp -> Bool
<= :: RegExp -> RegExp -> Bool
$c<= :: RegExp -> RegExp -> Bool
< :: RegExp -> RegExp -> Bool
$c< :: RegExp -> RegExp -> Bool
compare :: RegExp -> RegExp -> Ordering
$ccompare :: RegExp -> RegExp -> Ordering
$cp1Ord :: Eq RegExp
Ord, Typeable RegExp
DataType
Constr
Typeable RegExp
-> (forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> RegExp -> c RegExp)
-> (forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c RegExp)
-> (RegExp -> Constr)
-> (RegExp -> DataType)
-> (forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c RegExp))
-> (forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c RegExp))
-> ((forall b. Data b => b -> b) -> RegExp -> RegExp)
-> (forall r r'.
    (r -> r' -> r)
    -> r -> (forall d. Data d => d -> r') -> RegExp -> r)
-> (forall r r'.
    (r' -> r -> r)
    -> r -> (forall d. Data d => d -> r') -> RegExp -> r)
-> (forall u. (forall d. Data d => d -> u) -> RegExp -> [u])
-> (forall u. Int -> (forall d. Data d => d -> u) -> RegExp -> u)
-> (forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d) -> RegExp -> m RegExp)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> RegExp -> m RegExp)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> RegExp -> m RegExp)
-> Data RegExp
RegExp -> DataType
RegExp -> Constr
(forall b. Data b => b -> b) -> RegExp -> RegExp
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> RegExp -> c RegExp
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-> (forall r. r -> c r) -> Constr -> c RegExp
forall a.
Typeable a
-> (forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> a -> c a)
-> (forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c a)
-> (a -> Constr)
-> (a -> DataType)
-> (forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c a))
-> (forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c a))
-> ((forall b. Data b => b -> b) -> a -> a)
-> (forall r r'.
    (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> a -> r)
-> (forall r r'.
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-> (forall u. (forall d. Data d => d -> u) -> a -> [u])
-> (forall u. Int -> (forall d. Data d => d -> u) -> a -> u)
-> (forall (m :: * -> *).
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    (forall d. Data d => d -> m d) -> a -> m a)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> a -> m a)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> a -> m a)
-> Data a
forall u. Int -> (forall d. Data d => d -> u) -> RegExp -> u
forall u. (forall d. Data d => d -> u) -> RegExp -> [u]
forall r r'.
(r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> RegExp -> r
forall r r'.
(r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> RegExp -> r
forall (m :: * -> *).
Monad m =>
(forall d. Data d => d -> m d) -> RegExp -> m RegExp
forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> RegExp -> m RegExp
forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c RegExp
forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> RegExp -> c RegExp
forall (t :: * -> *) (c :: * -> *).
Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c RegExp)
forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c RegExp)
$cInter :: Constr
$cUnion :: Constr
$cPower :: Constr
$cLoop :: Constr
$cDiff :: Constr
$cComp :: Constr
$cOpt :: Constr
$cKPlus :: Constr
$cKStar :: Constr
$cConc :: Constr
$cRange :: Constr
$cNone :: Constr
$cAllChar :: Constr
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gmapMp :: (forall d. Data d => d -> m d) -> RegExp -> m RegExp
$cgmapMp :: forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> RegExp -> m RegExp
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(forall d. Data d => d -> m d) -> RegExp -> m RegExp
gmapQi :: Int -> (forall d. Data d => d -> u) -> RegExp -> u
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gmapQ :: (forall d. Data d => d -> u) -> RegExp -> [u]
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gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> RegExp -> r
$cgmapQr :: forall r r'.
(r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> RegExp -> r
gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> RegExp -> r
$cgmapQl :: forall r r'.
(r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> RegExp -> r
gmapT :: (forall b. Data b => b -> b) -> RegExp -> RegExp
$cgmapT :: (forall b. Data b => b -> b) -> RegExp -> RegExp
dataCast2 :: (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c RegExp)
$cdataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c RegExp)
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$cdataCast1 :: forall (t :: * -> *) (c :: * -> *).
Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c RegExp)
dataTypeOf :: RegExp -> DataType
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toConstr :: RegExp -> Constr
$ctoConstr :: RegExp -> Constr
gunfold :: (forall b r. Data b => c (b -> r) -> c r)
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(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c RegExp
gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> RegExp -> c RegExp
$cgfoldl :: forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> RegExp -> c RegExp
$cp1Data :: Typeable RegExp
G.Data)

-- | With overloaded strings, we can have direct literal regular expressions.
instance IsString RegExp where
  fromString :: String -> RegExp
fromString = String -> RegExp
Literal

-- | Regular expressions as a 'Num' instance. Note that only some operations make sense and
-- not in the most obvious way. For instance, we would typically expect @a - b@ to be the
-- same as @a + negate b@, but that equality does not hold in general. So, use the @Num@
-- instance only as constructing syntax, not doing algebraic manipulations.
instance Num RegExp where
  -- flatten the concats to make them simpler
  Conc [RegExp]
xs * :: RegExp -> RegExp -> RegExp
* RegExp
y = [RegExp] -> RegExp
Conc ([RegExp]
xs [RegExp] -> [RegExp] -> [RegExp]
forall a. [a] -> [a] -> [a]
++ [RegExp
y])
  RegExp
x * Conc [RegExp]
ys = [RegExp] -> RegExp
Conc (RegExp
x  RegExp -> [RegExp] -> [RegExp]
forall a. a -> [a] -> [a]
:  [RegExp]
ys)
  RegExp
x * RegExp
y       = [RegExp] -> RegExp
Conc [RegExp
x, RegExp
y]

  -- flatten the unions to make them simpler
  Union [RegExp]
xs + :: RegExp -> RegExp -> RegExp
+ RegExp
y = [RegExp] -> RegExp
Union ([RegExp]
xs [RegExp] -> [RegExp] -> [RegExp]
forall a. [a] -> [a] -> [a]
++ [RegExp
y])
  RegExp
x + Union [RegExp]
ys = [RegExp] -> RegExp
Union (RegExp
x  RegExp -> [RegExp] -> [RegExp]
forall a. a -> [a] -> [a]
: [RegExp]
ys)
  RegExp
x + RegExp
y        = [RegExp] -> RegExp
Union [RegExp
x, RegExp
y]

  RegExp
x - :: RegExp -> RegExp -> RegExp
- RegExp
y = RegExp -> RegExp -> RegExp
Diff RegExp
x RegExp
y

  abs :: RegExp -> RegExp
abs         = String -> RegExp -> RegExp
forall a. HasCallStack => String -> a
error String
"Num.RegExp: no abs method"
  signum :: RegExp -> RegExp
signum      = String -> RegExp -> RegExp
forall a. HasCallStack => String -> a
error String
"Num.RegExp: no signum method"

  fromInteger :: Integer -> RegExp
fromInteger Integer
x
    | Integer
x Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
0    = RegExp
None
    | Integer
x Integer -> Integer -> Bool
forall a. Eq a => a -> a -> Bool
== Integer
1    = String -> RegExp
Literal String
""   -- Unit for concatenation is the empty string
    | Bool
True      = String -> RegExp
forall a. HasCallStack => String -> a
error (String -> RegExp) -> String -> RegExp
forall a b. (a -> b) -> a -> b
$ String
"Num.RegExp: Only 0 and 1 makes sense as a reg-exp, no meaning for: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Integer -> String
forall a. Show a => a -> String
show Integer
x

  negate :: RegExp -> RegExp
negate = RegExp -> RegExp
Comp

-- | Convert a reg-exp to a Haskell-like string
instance Show RegExp where
  show :: RegExp -> String
show = ShowS -> RegExp -> String
regExpToString ShowS
forall a. Show a => a -> String
show

-- | Convert a reg-exp to a SMT-lib acceptable representation
regExpToSMTString :: RegExp -> String
regExpToSMTString :: RegExp -> String
regExpToSMTString = ShowS -> RegExp -> String
regExpToString (\String
s -> Char
'"' Char -> ShowS
forall a. a -> [a] -> [a]
: ShowS
stringToQFS String
s String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"\"")

-- | Convert a RegExp to a string, parameterized by how strings are converted
regExpToString :: (String -> String) -> RegExp -> String
regExpToString :: ShowS -> RegExp -> String
regExpToString ShowS
fs (Literal String
s)       = String
"(str.to.re " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
fs String
s String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
_  RegExp
All               = String
"re.all"
regExpToString ShowS
_  RegExp
AllChar           = String
"re.allchar"
regExpToString ShowS
_  RegExp
None              = String
"re.nostr"
regExpToString ShowS
fs (Range Char
ch1 Char
ch2)   = String
"(re.range " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
fs [Char
ch1] String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
fs [Char
ch2] String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
_  (Conc [])         = Integer -> String
forall a. Show a => a -> String
show (Integer
1 :: Integer)
regExpToString ShowS
fs (Conc [RegExp
x])        = ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
x
regExpToString ShowS
fs (Conc [RegExp]
xs)         = String
"(re.++ " String -> ShowS
forall a. [a] -> [a] -> [a]
++ [String] -> String
unwords ((RegExp -> String) -> [RegExp] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (ShowS -> RegExp -> String
regExpToString ShowS
fs) [RegExp]
xs) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
fs (KStar RegExp
r)         = String
"(re.* " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
fs (KPlus RegExp
r)         = String
"(re.+ " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
fs (Opt   RegExp
r)         = String
"(re.opt " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
fs (Comp  RegExp
r)         = String
"(re.comp " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
fs (Diff  RegExp
r1 RegExp
r2)     = String
"(re.diff " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r1 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r2 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
fs (Loop  Int
lo Int
hi RegExp
r)
   | Int
lo Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
>= Int
0, Int
hi Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
>= Int
lo = String
"((_ re.loop " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
lo String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
hi String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
") " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
   | Bool
True              = ShowS
forall a. HasCallStack => String -> a
error ShowS -> ShowS
forall a b. (a -> b) -> a -> b
$ String
"Invalid regular-expression Loop with arguments: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ (Int, Int) -> String
forall a. Show a => a -> String
show (Int
lo, Int
hi)
regExpToString ShowS
fs (Power Int
n RegExp
r)
   | Int
n Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
>= Int
0            = ShowS -> RegExp -> String
regExpToString ShowS
fs (Int -> Int -> RegExp -> RegExp
Loop Int
n Int
n RegExp
r)
   | Bool
True              = ShowS
forall a. HasCallStack => String -> a
error ShowS -> ShowS
forall a b. (a -> b) -> a -> b
$ String
"Invalid regular-expression Power with arguments: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
n
regExpToString ShowS
fs (Inter RegExp
r1 RegExp
r2)     = String
"(re.inter " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r1 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
r2 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
regExpToString ShowS
_  (Union [])        = String
"re.nostr"
regExpToString ShowS
fs (Union [RegExp
x])       = ShowS -> RegExp -> String
regExpToString ShowS
fs RegExp
x
regExpToString ShowS
fs (Union [RegExp]
xs)        = String
"(re.union " String -> ShowS
forall a. [a] -> [a] -> [a]
++ [String] -> String
unwords ((RegExp -> String) -> [RegExp] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (ShowS -> RegExp -> String
regExpToString ShowS
fs) [RegExp]
xs) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"

-- | Show instance for @StrOp@. Note that the mapping here is important to match the SMTLib equivalents.
instance Show StrOp where
  show :: StrOp -> String
show StrOp
StrConcat   = String
"str.++"
  show StrOp
StrLen      = String
"str.len"
  show StrOp
StrUnit     = String
"str.unit"      -- NB. This is actually a no-op, since in SMTLib characters are the same as strings.
  show StrOp
StrNth      = String
"str.at"
  show StrOp
StrSubstr   = String
"str.substr"
  show StrOp
StrIndexOf  = String
"str.indexof"
  show StrOp
StrContains = String
"str.contains"
  show StrOp
StrPrefixOf = String
"str.prefixof"
  show StrOp
StrSuffixOf = String
"str.suffixof"
  show StrOp
StrReplace  = String
"str.replace"
  show StrOp
StrStrToNat = String
"str.to.int"    -- NB. SMTLib uses "int" here though only nats are supported
  show StrOp
StrNatToStr = String
"int.to.str"    -- NB. SMTLib uses "int" here though only nats are supported
  show StrOp
StrToCode   = String
"str.to_code"
  show StrOp
StrFromCode = String
"str.from_code"
  -- Note the breakage here with respect to argument order. We fix this explicitly later.
  show (StrInRe RegExp
s) = String
"str.in.re " String -> ShowS
forall a. [a] -> [a] -> [a]
++ RegExp -> String
regExpToSMTString RegExp
s

-- | Show instance for @RegExOp@.
instance Show RegExOp where
  show :: RegExOp -> String
show (RegExEq  RegExp
r1 RegExp
r2) = String
"(= "        String -> ShowS
forall a. [a] -> [a] -> [a]
++ RegExp -> String
regExpToSMTString RegExp
r1 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ RegExp -> String
regExpToSMTString RegExp
r2 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
  show (RegExNEq RegExp
r1 RegExp
r2) = String
"(distinct " String -> ShowS
forall a. [a] -> [a] -> [a]
++ RegExp -> String
regExpToSMTString RegExp
r1 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ RegExp -> String
regExpToSMTString RegExp
r2 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"

-- | Sequence operations.
data SeqOp = SeqConcat        -- ^ See StrConcat
           | SeqLen           -- ^ See StrLen
           | SeqUnit          -- ^ See StrUnit
           | SeqNth           -- ^ See StrNth
           | SeqSubseq        -- ^ See StrSubseq
           | SeqIndexOf       -- ^ See StrIndexOf
           | SeqContains      -- ^ See StrContains
           | SeqPrefixOf      -- ^ See StrPrefixOf
           | SeqSuffixOf      -- ^ See StrSuffixOf
           | SeqReplace       -- ^ See StrReplace
           | SBVReverse Kind  -- ^ Reversal of sequences. NB. Also works for strings; hence the name.
  deriving (SeqOp -> SeqOp -> Bool
(SeqOp -> SeqOp -> Bool) -> (SeqOp -> SeqOp -> Bool) -> Eq SeqOp
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: SeqOp -> SeqOp -> Bool
$c/= :: SeqOp -> SeqOp -> Bool
== :: SeqOp -> SeqOp -> Bool
$c== :: SeqOp -> SeqOp -> Bool
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-> (SeqOp -> SeqOp -> Bool)
-> (SeqOp -> SeqOp -> SeqOp)
-> (SeqOp -> SeqOp -> SeqOp)
-> Ord SeqOp
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Eq a
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-> Ord a
min :: SeqOp -> SeqOp -> SeqOp
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max :: SeqOp -> SeqOp -> SeqOp
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    (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> SeqOp -> r)
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-- | Show instance for SeqOp. Again, mapping is important.
instance Show SeqOp where
  show :: SeqOp -> String
show SeqOp
SeqConcat   = String
"seq.++"
  show SeqOp
SeqLen      = String
"seq.len"
  show SeqOp
SeqUnit     = String
"seq.unit"
  show SeqOp
SeqNth      = String
"seq.nth"
  show SeqOp
SeqSubseq   = String
"seq.extract"
  show SeqOp
SeqIndexOf  = String
"seq.indexof"
  show SeqOp
SeqContains = String
"seq.contains"
  show SeqOp
SeqPrefixOf = String
"seq.prefixof"
  show SeqOp
SeqSuffixOf = String
"seq.suffixof"
  show SeqOp
SeqReplace  = String
"seq.replace"
  -- Note: This isn't part of SMTLib, we explicitly handle it
  show (SBVReverse Kind
k) = String
"sbv.reverse[" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"]"

-- | Set operations.
data SetOp = SetEqual
           | SetMember
           | SetInsert
           | SetDelete
           | SetIntersect
           | SetUnion
           | SetSubset
           | SetDifference
           | SetComplement
           | SetHasSize
        deriving (SetOp -> SetOp -> Bool
(SetOp -> SetOp -> Bool) -> (SetOp -> SetOp -> Bool) -> Eq SetOp
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: SetOp -> SetOp -> Bool
$c/= :: SetOp -> SetOp -> Bool
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-> Ord a
min :: SetOp -> SetOp -> SetOp
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-- The show instance for 'SetOp' is merely for debugging, we map them separately so
-- the mapped strings are less important here.
instance Show SetOp where
  show :: SetOp -> String
show SetOp
SetEqual      = String
"=="
  show SetOp
SetMember     = String
"Set.member"
  show SetOp
SetInsert     = String
"Set.insert"
  show SetOp
SetDelete     = String
"Set.delete"
  show SetOp
SetIntersect  = String
"Set.intersect"
  show SetOp
SetUnion      = String
"Set.union"
  show SetOp
SetSubset     = String
"Set.subset"
  show SetOp
SetDifference = String
"Set.difference"
  show SetOp
SetComplement = String
"Set.complement"
  show SetOp
SetHasSize    = String
"Set.setHasSize"

-- Show instance for 'Op'. Note that this is largely for debugging purposes, not used
-- for being read by any tool.
instance Show Op where
  show :: Op -> String
show Op
Shl    = String
"<<"
  show Op
Shr    = String
">>"

  show (Rol Int
i) = String
"<<<" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
i
  show (Ror Int
i) = String
">>>" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
i

  show (Extract Int
i Int
j) = String
"choose [" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
i String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
":" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
j String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"]"

  show (LkUp (Int
ti, Kind
at, Kind
rt, Int
l) SV
i SV
e)
        = String
"lookup(" String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
tinfo String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
", " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
i String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
", " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
e String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
        where tinfo :: String
tinfo = String
"table" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
ti String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"(" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
at String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" -> " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
rt String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
", " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
l String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"

  show (ArrEq ArrayIndex
i ArrayIndex
j)          = String
"array_" String -> ShowS
forall a. [a] -> [a] -> [a]
++ ArrayIndex -> String
forall a. Show a => a -> String
show ArrayIndex
i String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" == array_" String -> ShowS
forall a. [a] -> [a] -> [a]
++ ArrayIndex -> String
forall a. Show a => a -> String
show ArrayIndex
j
  show (ArrRead ArrayIndex
i)          = String
"select array_" String -> ShowS
forall a. [a] -> [a] -> [a]
++ ArrayIndex -> String
forall a. Show a => a -> String
show ArrayIndex
i

  show (KindCast Kind
fr Kind
to)     = String
"cast_" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
fr String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"_" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
to
  show (Uninterpreted String
i)    = String
"[uninterpreted] " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
i

  show (Label String
s)            = String
"[label] " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
s

  show (IEEEFP FPOp
w)           = FPOp -> String
forall a. Show a => a -> String
show FPOp
w

  show (NonLinear NROp
w)        = NROp -> String
forall a. Show a => a -> String
show NROp
w

  show (PseudoBoolean PBOp
p)    = PBOp -> String
forall a. Show a => a -> String
show PBOp
p

  show (OverflowOp OvOp
o)       = OvOp -> String
forall a. Show a => a -> String
show OvOp
o

  show (StrOp StrOp
s)            = StrOp -> String
forall a. Show a => a -> String
show StrOp
s
  show (RegExOp RegExOp
s)          = RegExOp -> String
forall a. Show a => a -> String
show RegExOp
s
  show (SeqOp SeqOp
s)            = SeqOp -> String
forall a. Show a => a -> String
show SeqOp
s
  show (SetOp SetOp
s)            = SetOp -> String
forall a. Show a => a -> String
show SetOp
s

  show (TupleConstructor   Int
0) = String
"mkSBVTuple0"
  show (TupleConstructor   Int
n) = String
"mkSBVTuple" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
n
  show (TupleAccess      Int
i Int
n) = String
"proj_" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
i String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"_SBVTuple" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Int -> String
forall a. Show a => a -> String
show Int
n

  -- Remember, while we try to maintain SMTLib compabitibility here, these output
  -- is merely for debugging purposes. For how we actually render these in SMTLib,
  -- look at the file SBV/SMT/SMTLib2.hs for these constructors.
  show (EitherConstructor Kind
k1 Kind
k2  Bool
False) = String
"(_ left_SBVEither "  String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (Kind -> Kind -> Kind
KEither Kind
k1 Kind
k2) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
  show (EitherConstructor Kind
k1 Kind
k2  Bool
True ) = String
"(_ right_SBVEither " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (Kind -> Kind -> Kind
KEither Kind
k1 Kind
k2) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
  show (EitherIs          Kind
k1 Kind
k2  Bool
False) = String
"(_ is (left_SBVEither ("  String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k1 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
") " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (Kind -> Kind -> Kind
KEither Kind
k1 Kind
k2) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"))"
  show (EitherIs          Kind
k1 Kind
k2  Bool
True ) = String
"(_ is (right_SBVEither (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k2 String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
") " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (Kind -> Kind -> Kind
KEither Kind
k1 Kind
k2) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"))"
  show (EitherAccess             Bool
False) = String
"get_left_SBVEither"
  show (EitherAccess             Bool
True ) = String
"get_right_SBVEither"
  show Op
RationalConstructor              = String
"SBV.Rational"
  show (MaybeConstructor Kind
k Bool
False)       = String
"(_ nothing_SBVMaybe " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (Kind -> Kind
KMaybe Kind
k) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
  show (MaybeConstructor Kind
k Bool
True)        = String
"(_ just_SBVMaybe "    String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (Kind -> Kind
KMaybe Kind
k) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
  show (MaybeIs          Kind
k Bool
False)       = String
"(_ is (nothing_SBVMaybe () "              String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (Kind -> Kind
KMaybe Kind
k) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"))"
  show (MaybeIs          Kind
k Bool
True )       = String
"(_ is (just_SBVMaybe (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
") " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (Kind -> Kind
KMaybe Kind
k) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"))"
  show Op
MaybeAccess                      = String
"get_just_SBVMaybe"

  show Op
op
    | Just String
s <- Op
op Op -> [(Op, String)] -> Maybe String
forall a b. Eq a => a -> [(a, b)] -> Maybe b
`lookup` [(Op, String)]
syms = String
s
    | Bool
True                       = ShowS
forall a. HasCallStack => String -> a
error String
"impossible happened; can't find op!"
    where syms :: [(Op, String)]
syms = [ (Op
Plus, String
"+"), (Op
Times, String
"*"), (Op
Minus, String
"-"), (Op
UNeg, String
"-"), (Op
Abs, String
"abs")
                 , (Op
Quot, String
"quot")
                 , (Op
Rem,  String
"rem")
                 , (Op
Equal, String
"=="), (Op
NotEqual, String
"/=")
                 , (Op
LessThan, String
"<"), (Op
GreaterThan, String
">"), (Op
LessEq, String
"<="), (Op
GreaterEq, String
">=")
                 , (Op
Ite, String
"if_then_else")
                 , (Op
And, String
"&"), (Op
Or, String
"|"), (Op
XOr, String
"^"), (Op
Not, String
"~")
                 , (Op
Join, String
"#")
                 ]

-- | Quantifiers: forall or exists. Note that we allow arbitrary nestings.
data Quantifier = ALL | EX deriving Quantifier -> Quantifier -> Bool
(Quantifier -> Quantifier -> Bool)
-> (Quantifier -> Quantifier -> Bool) -> Eq Quantifier
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Quantifier -> Quantifier -> Bool
$c/= :: Quantifier -> Quantifier -> Bool
== :: Quantifier -> Quantifier -> Bool
$c== :: Quantifier -> Quantifier -> Bool
Eq

-- | Show instance for 'Quantifier'
instance Show Quantifier where
  show :: Quantifier -> String
show Quantifier
ALL = String
"Forall"
  show Quantifier
EX  = String
"Exists"

-- | Which context is this variable being created?
data VarContext = NonQueryVar (Maybe Quantifier)  -- in this case, it can be quantified
                | QueryVar                        -- in this case, it is always existential

-- | Are there any existential quantifiers?
needsExistentials :: [Quantifier] -> Bool
needsExistentials :: [Quantifier] -> Bool
needsExistentials = (Quantifier
EX Quantifier -> [Quantifier] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem`)

-- | A simple type for SBV computations, used mainly for uninterpreted constants.
-- We keep track of the signedness/size of the arguments. A non-function will
-- have just one entry in the list.
newtype SBVType = SBVType [Kind]
             deriving (SBVType -> SBVType -> Bool
(SBVType -> SBVType -> Bool)
-> (SBVType -> SBVType -> Bool) -> Eq SBVType
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: SBVType -> SBVType -> Bool
$c/= :: SBVType -> SBVType -> Bool
== :: SBVType -> SBVType -> Bool
$c== :: SBVType -> SBVType -> Bool
Eq, Eq SBVType
Eq SBVType
-> (SBVType -> SBVType -> Ordering)
-> (SBVType -> SBVType -> Bool)
-> (SBVType -> SBVType -> Bool)
-> (SBVType -> SBVType -> Bool)
-> (SBVType -> SBVType -> Bool)
-> (SBVType -> SBVType -> SBVType)
-> (SBVType -> SBVType -> SBVType)
-> Ord SBVType
SBVType -> SBVType -> Bool
SBVType -> SBVType -> Ordering
SBVType -> SBVType -> SBVType
forall a.
Eq a
-> (a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
min :: SBVType -> SBVType -> SBVType
$cmin :: SBVType -> SBVType -> SBVType
max :: SBVType -> SBVType -> SBVType
$cmax :: SBVType -> SBVType -> SBVType
>= :: SBVType -> SBVType -> Bool
$c>= :: SBVType -> SBVType -> Bool
> :: SBVType -> SBVType -> Bool
$c> :: SBVType -> SBVType -> Bool
<= :: SBVType -> SBVType -> Bool
$c<= :: SBVType -> SBVType -> Bool
< :: SBVType -> SBVType -> Bool
$c< :: SBVType -> SBVType -> Bool
compare :: SBVType -> SBVType -> Ordering
$ccompare :: SBVType -> SBVType -> Ordering
$cp1Ord :: Eq SBVType
Ord)

instance Show SBVType where
  show :: SBVType -> String
show (SBVType []) = ShowS
forall a. HasCallStack => String -> a
error String
"SBV: internal error, empty SBVType"
  show (SBVType [Kind]
xs) = String -> [String] -> String
forall a. [a] -> [[a]] -> [a]
intercalate String
" -> " ([String] -> String) -> [String] -> String
forall a b. (a -> b) -> a -> b
$ (Kind -> String) -> [Kind] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map Kind -> String
forall a. Show a => a -> String
show [Kind]
xs

-- | A symbolic expression
data SBVExpr = SBVApp !Op ![SV]
             deriving (SBVExpr -> SBVExpr -> Bool
(SBVExpr -> SBVExpr -> Bool)
-> (SBVExpr -> SBVExpr -> Bool) -> Eq SBVExpr
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: SBVExpr -> SBVExpr -> Bool
$c/= :: SBVExpr -> SBVExpr -> Bool
== :: SBVExpr -> SBVExpr -> Bool
$c== :: SBVExpr -> SBVExpr -> Bool
Eq, Eq SBVExpr
Eq SBVExpr
-> (SBVExpr -> SBVExpr -> Ordering)
-> (SBVExpr -> SBVExpr -> Bool)
-> (SBVExpr -> SBVExpr -> Bool)
-> (SBVExpr -> SBVExpr -> Bool)
-> (SBVExpr -> SBVExpr -> Bool)
-> (SBVExpr -> SBVExpr -> SBVExpr)
-> (SBVExpr -> SBVExpr -> SBVExpr)
-> Ord SBVExpr
SBVExpr -> SBVExpr -> Bool
SBVExpr -> SBVExpr -> Ordering
SBVExpr -> SBVExpr -> SBVExpr
forall a.
Eq a
-> (a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
min :: SBVExpr -> SBVExpr -> SBVExpr
$cmin :: SBVExpr -> SBVExpr -> SBVExpr
max :: SBVExpr -> SBVExpr -> SBVExpr
$cmax :: SBVExpr -> SBVExpr -> SBVExpr
>= :: SBVExpr -> SBVExpr -> Bool
$c>= :: SBVExpr -> SBVExpr -> Bool
> :: SBVExpr -> SBVExpr -> Bool
$c> :: SBVExpr -> SBVExpr -> Bool
<= :: SBVExpr -> SBVExpr -> Bool
$c<= :: SBVExpr -> SBVExpr -> Bool
< :: SBVExpr -> SBVExpr -> Bool
$c< :: SBVExpr -> SBVExpr -> Bool
compare :: SBVExpr -> SBVExpr -> Ordering
$ccompare :: SBVExpr -> SBVExpr -> Ordering
$cp1Ord :: Eq SBVExpr
Ord, Typeable SBVExpr
DataType
Constr
Typeable SBVExpr
-> (forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> SBVExpr -> c SBVExpr)
-> (forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c SBVExpr)
-> (SBVExpr -> Constr)
-> (SBVExpr -> DataType)
-> (forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c SBVExpr))
-> (forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c SBVExpr))
-> ((forall b. Data b => b -> b) -> SBVExpr -> SBVExpr)
-> (forall r r'.
    (r -> r' -> r)
    -> r -> (forall d. Data d => d -> r') -> SBVExpr -> r)
-> (forall r r'.
    (r' -> r -> r)
    -> r -> (forall d. Data d => d -> r') -> SBVExpr -> r)
-> (forall u. (forall d. Data d => d -> u) -> SBVExpr -> [u])
-> (forall u. Int -> (forall d. Data d => d -> u) -> SBVExpr -> u)
-> (forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr)
-> Data SBVExpr
SBVExpr -> DataType
SBVExpr -> Constr
(forall b. Data b => b -> b) -> SBVExpr -> SBVExpr
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> SBVExpr -> c SBVExpr
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c SBVExpr
forall a.
Typeable a
-> (forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> a -> c a)
-> (forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c a)
-> (a -> Constr)
-> (a -> DataType)
-> (forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c a))
-> (forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c a))
-> ((forall b. Data b => b -> b) -> a -> a)
-> (forall r r'.
    (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> a -> r)
-> (forall r r'.
    (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> a -> r)
-> (forall u. (forall d. Data d => d -> u) -> a -> [u])
-> (forall u. Int -> (forall d. Data d => d -> u) -> a -> u)
-> (forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d) -> a -> m a)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> a -> m a)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> a -> m a)
-> Data a
forall u. Int -> (forall d. Data d => d -> u) -> SBVExpr -> u
forall u. (forall d. Data d => d -> u) -> SBVExpr -> [u]
forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> SBVExpr -> r
forall r r'.
(r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> SBVExpr -> r
forall (m :: * -> *).
Monad m =>
(forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr
forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr
forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c SBVExpr
forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> SBVExpr -> c SBVExpr
forall (t :: * -> *) (c :: * -> *).
Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c SBVExpr)
forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c SBVExpr)
$cSBVApp :: Constr
$tSBVExpr :: DataType
gmapMo :: (forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr
$cgmapMo :: forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr
gmapMp :: (forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr
$cgmapMp :: forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr
gmapM :: (forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr
$cgmapM :: forall (m :: * -> *).
Monad m =>
(forall d. Data d => d -> m d) -> SBVExpr -> m SBVExpr
gmapQi :: Int -> (forall d. Data d => d -> u) -> SBVExpr -> u
$cgmapQi :: forall u. Int -> (forall d. Data d => d -> u) -> SBVExpr -> u
gmapQ :: (forall d. Data d => d -> u) -> SBVExpr -> [u]
$cgmapQ :: forall u. (forall d. Data d => d -> u) -> SBVExpr -> [u]
gmapQr :: (r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> SBVExpr -> r
$cgmapQr :: forall r r'.
(r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> SBVExpr -> r
gmapQl :: (r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> SBVExpr -> r
$cgmapQl :: forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> SBVExpr -> r
gmapT :: (forall b. Data b => b -> b) -> SBVExpr -> SBVExpr
$cgmapT :: (forall b. Data b => b -> b) -> SBVExpr -> SBVExpr
dataCast2 :: (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c SBVExpr)
$cdataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c SBVExpr)
dataCast1 :: (forall d. Data d => c (t d)) -> Maybe (c SBVExpr)
$cdataCast1 :: forall (t :: * -> *) (c :: * -> *).
Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c SBVExpr)
dataTypeOf :: SBVExpr -> DataType
$cdataTypeOf :: SBVExpr -> DataType
toConstr :: SBVExpr -> Constr
$ctoConstr :: SBVExpr -> Constr
gunfold :: (forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c SBVExpr
$cgunfold :: forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c SBVExpr
gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> SBVExpr -> c SBVExpr
$cgfoldl :: forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> SBVExpr -> c SBVExpr
$cp1Data :: Typeable SBVExpr
G.Data)

-- | To improve hash-consing, take advantage of commutative operators by
-- reordering their arguments.
reorder :: SBVExpr -> SBVExpr
reorder :: SBVExpr -> SBVExpr
reorder SBVExpr
s = case SBVExpr
s of
              SBVApp Op
op [SV
a, SV
b] | Op -> Bool
isCommutative Op
op Bool -> Bool -> Bool
&& SV
a SV -> SV -> Bool
forall a. Ord a => a -> a -> Bool
> SV
b -> Op -> [SV] -> SBVExpr
SBVApp Op
op [SV
b, SV
a]
              SBVExpr
_ -> SBVExpr
s
  where isCommutative :: Op -> Bool
        isCommutative :: Op -> Bool
isCommutative Op
o = Op
o Op -> [Op] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [Op
Plus, Op
Times, Op
Equal, Op
NotEqual, Op
And, Op
Or, Op
XOr]

-- Show instance for 'SBVExpr'. Again, only for debugging purposes.
instance Show SBVExpr where
  show :: SBVExpr -> String
show (SBVApp Op
Ite [SV
t, SV
a, SV
b])             = [String] -> String
unwords [String
"if", SV -> String
forall a. Show a => a -> String
show SV
t, String
"then", SV -> String
forall a. Show a => a -> String
show SV
a, String
"else", SV -> String
forall a. Show a => a -> String
show SV
b]
  show (SBVApp Op
Shl     [SV
a, SV
i])            = [String] -> String
unwords [SV -> String
forall a. Show a => a -> String
show SV
a, String
"<<", SV -> String
forall a. Show a => a -> String
show SV
i]
  show (SBVApp Op
Shr     [SV
a, SV
i])            = [String] -> String
unwords [SV -> String
forall a. Show a => a -> String
show SV
a, String
">>", SV -> String
forall a. Show a => a -> String
show SV
i]
  show (SBVApp (Rol Int
i) [SV
a])               = [String] -> String
unwords [SV -> String
forall a. Show a => a -> String
show SV
a, String
"<<<", Int -> String
forall a. Show a => a -> String
show Int
i]
  show (SBVApp (Ror Int
i) [SV
a])               = [String] -> String
unwords [SV -> String
forall a. Show a => a -> String
show SV
a, String
">>>", Int -> String
forall a. Show a => a -> String
show Int
i]
  show (SBVApp (PseudoBoolean PBOp
pb) [SV]
args)   = [String] -> String
unwords (PBOp -> String
forall a. Show a => a -> String
show PBOp
pb String -> [String] -> [String]
forall a. a -> [a] -> [a]
: (SV -> String) -> [SV] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map SV -> String
forall a. Show a => a -> String
show [SV]
args)
  show (SBVApp (OverflowOp OvOp
op)    [SV]
args)   = [String] -> String
unwords (OvOp -> String
forall a. Show a => a -> String
show OvOp
op String -> [String] -> [String]
forall a. a -> [a] -> [a]
: (SV -> String) -> [SV] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map SV -> String
forall a. Show a => a -> String
show [SV]
args)
  show (SBVApp Op
op                 [SV
a, SV
b]) = [String] -> String
unwords [SV -> String
forall a. Show a => a -> String
show SV
a, Op -> String
forall a. Show a => a -> String
show Op
op, SV -> String
forall a. Show a => a -> String
show SV
b]
  show (SBVApp Op
op                 [SV]
args)   = [String] -> String
unwords (Op -> String
forall a. Show a => a -> String
show Op
op String -> [String] -> [String]
forall a. a -> [a] -> [a]
: (SV -> String) -> [SV] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map SV -> String
forall a. Show a => a -> String
show [SV]
args)

-- | A program is a sequence of assignments
newtype SBVPgm = SBVPgm {SBVPgm -> Seq (SV, SBVExpr)
pgmAssignments :: S.Seq (SV, SBVExpr)}

-- | Helper synonym for text, in case we switch to something else later.
type Name = T.Text

-- | 'NamedSymVar' pairs symbolic values and user given/automatically generated names
data NamedSymVar = NamedSymVar !SV !Name
                 deriving (Int -> NamedSymVar -> ShowS
[NamedSymVar] -> ShowS
NamedSymVar -> String
(Int -> NamedSymVar -> ShowS)
-> (NamedSymVar -> String)
-> ([NamedSymVar] -> ShowS)
-> Show NamedSymVar
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [NamedSymVar] -> ShowS
$cshowList :: [NamedSymVar] -> ShowS
show :: NamedSymVar -> String
$cshow :: NamedSymVar -> String
showsPrec :: Int -> NamedSymVar -> ShowS
$cshowsPrec :: Int -> NamedSymVar -> ShowS
Show, (forall x. NamedSymVar -> Rep NamedSymVar x)
-> (forall x. Rep NamedSymVar x -> NamedSymVar)
-> Generic NamedSymVar
forall x. Rep NamedSymVar x -> NamedSymVar
forall x. NamedSymVar -> Rep NamedSymVar x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep NamedSymVar x -> NamedSymVar
$cfrom :: forall x. NamedSymVar -> Rep NamedSymVar x
Generic)

-- | For comparison purposes, we simply use the SV and ignore the name
instance Eq NamedSymVar where
  == :: NamedSymVar -> NamedSymVar -> Bool
(==) (NamedSymVar SV
l Name
_) (NamedSymVar SV
r Name
_) = SV
l SV -> SV -> Bool
forall a. Eq a => a -> a -> Bool
== SV
r

instance Ord NamedSymVar where
  compare :: NamedSymVar -> NamedSymVar -> Ordering
compare (NamedSymVar SV
l Name
_) (NamedSymVar SV
r Name
_) = SV -> SV -> Ordering
forall a. Ord a => a -> a -> Ordering
compare SV
l SV
r

-- | Convert to a named symvar, from string
toNamedSV' :: SV -> String -> NamedSymVar
toNamedSV' :: SV -> String -> NamedSymVar
toNamedSV' SV
s = SV -> Name -> NamedSymVar
NamedSymVar SV
s (Name -> NamedSymVar) -> (String -> Name) -> String -> NamedSymVar
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> Name
T.pack

-- | Convert to a named symvar, from text
toNamedSV :: SV -> Name -> NamedSymVar
toNamedSV :: SV -> Name -> NamedSymVar
toNamedSV = SV -> Name -> NamedSymVar
NamedSymVar

-- | Get the node id from a named sym var
namedNodeId :: NamedSymVar -> NodeId
namedNodeId :: NamedSymVar -> NodeId
namedNodeId = SV -> NodeId
swNodeId (SV -> NodeId) -> (NamedSymVar -> SV) -> NamedSymVar -> NodeId
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NamedSymVar -> SV
getSV

-- | Get the SV from a named sym var
getSV :: NamedSymVar -> SV
getSV :: NamedSymVar -> SV
getSV (NamedSymVar SV
s Name
_) = SV
s

-- | Get the user-name typed value from named sym var
getUserName :: NamedSymVar -> Name
getUserName :: NamedSymVar -> Name
getUserName (NamedSymVar SV
_ Name
nm) = Name
nm

-- | Get the string typed value from named sym var
getUserName' :: NamedSymVar -> String
getUserName' :: NamedSymVar -> String
getUserName' = Name -> String
T.unpack (Name -> String) -> (NamedSymVar -> Name) -> NamedSymVar -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. NamedSymVar -> Name
getUserName

-- | Style of optimization. Note that in the pareto case the user is allowed
-- to specify a max number of fronts to query the solver for, since there might
-- potentially be an infinite number of them and there is no way to know exactly
-- how many ahead of time. If 'Nothing' is given, SBV will possibly loop forever
-- if the number is really infinite.
data OptimizeStyle = Lexicographic      -- ^ Objectives are optimized in the order given, earlier objectives have higher priority.
                   | Independent        -- ^ Each objective is optimized independently.
                   | Pareto (Maybe Int) -- ^ Objectives are optimized according to pareto front: That is, no objective can be made better without making some other worse.
                   deriving (OptimizeStyle -> OptimizeStyle -> Bool
(OptimizeStyle -> OptimizeStyle -> Bool)
-> (OptimizeStyle -> OptimizeStyle -> Bool) -> Eq OptimizeStyle
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: OptimizeStyle -> OptimizeStyle -> Bool
$c/= :: OptimizeStyle -> OptimizeStyle -> Bool
== :: OptimizeStyle -> OptimizeStyle -> Bool
$c== :: OptimizeStyle -> OptimizeStyle -> Bool
Eq, Int -> OptimizeStyle -> ShowS
[OptimizeStyle] -> ShowS
OptimizeStyle -> String
(Int -> OptimizeStyle -> ShowS)
-> (OptimizeStyle -> String)
-> ([OptimizeStyle] -> ShowS)
-> Show OptimizeStyle
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [OptimizeStyle] -> ShowS
$cshowList :: [OptimizeStyle] -> ShowS
show :: OptimizeStyle -> String
$cshow :: OptimizeStyle -> String
showsPrec :: Int -> OptimizeStyle -> ShowS
$cshowsPrec :: Int -> OptimizeStyle -> ShowS
Show)

-- | Penalty for a soft-assertion. The default penalty is @1@, with all soft-assertions belonging
-- to the same objective goal. A positive weight and an optional group can be provided by using
-- the 'Penalty' constructor.
data Penalty = DefaultPenalty                  -- ^ Default: Penalty of @1@ and no group attached
             | Penalty Rational (Maybe String) -- ^ Penalty with a weight and an optional group
             deriving Int -> Penalty -> ShowS
[Penalty] -> ShowS
Penalty -> String
(Int -> Penalty -> ShowS)
-> (Penalty -> String) -> ([Penalty] -> ShowS) -> Show Penalty
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Penalty] -> ShowS
$cshowList :: [Penalty] -> ShowS
show :: Penalty -> String
$cshow :: Penalty -> String
showsPrec :: Int -> Penalty -> ShowS
$cshowsPrec :: Int -> Penalty -> ShowS
Show

-- | Objective of optimization. We can minimize, maximize, or give a soft assertion with a penalty
-- for not satisfying it.
data Objective a = Minimize          String a         -- ^ Minimize this metric
                 | Maximize          String a         -- ^ Maximize this metric
                 | AssertWithPenalty String a Penalty -- ^ A soft assertion, with an associated penalty
                 deriving (Int -> Objective a -> ShowS
[Objective a] -> ShowS
Objective a -> String
(Int -> Objective a -> ShowS)
-> (Objective a -> String)
-> ([Objective a] -> ShowS)
-> Show (Objective a)
forall a. Show a => Int -> Objective a -> ShowS
forall a. Show a => [Objective a] -> ShowS
forall a. Show a => Objective a -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Objective a] -> ShowS
$cshowList :: forall a. Show a => [Objective a] -> ShowS
show :: Objective a -> String
$cshow :: forall a. Show a => Objective a -> String
showsPrec :: Int -> Objective a -> ShowS
$cshowsPrec :: forall a. Show a => Int -> Objective a -> ShowS
Show, a -> Objective b -> Objective a
(a -> b) -> Objective a -> Objective b
(forall a b. (a -> b) -> Objective a -> Objective b)
-> (forall a b. a -> Objective b -> Objective a)
-> Functor Objective
forall a b. a -> Objective b -> Objective a
forall a b. (a -> b) -> Objective a -> Objective b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
<$ :: a -> Objective b -> Objective a
$c<$ :: forall a b. a -> Objective b -> Objective a
fmap :: (a -> b) -> Objective a -> Objective b
$cfmap :: forall a b. (a -> b) -> Objective a -> Objective b
Functor)

-- | The name of the objective
objectiveName :: Objective a -> String
objectiveName :: Objective a -> String
objectiveName (Minimize          String
s a
_)   = String
s
objectiveName (Maximize          String
s a
_)   = String
s
objectiveName (AssertWithPenalty String
s a
_ Penalty
_) = String
s

-- | The state we keep track of as we interact with the solver
data QueryState = QueryState { QueryState -> Maybe Int -> String -> IO String
queryAsk                 :: Maybe Int -> String -> IO String
                             , QueryState -> Maybe Int -> String -> IO ()
querySend                :: Maybe Int -> String -> IO ()
                             , QueryState -> Maybe Int -> IO String
queryRetrieveResponse    :: Maybe Int -> IO String
                             , QueryState -> SMTConfig
queryConfig              :: SMTConfig
                             , QueryState -> IO ()
queryTerminate           :: IO ()
                             , QueryState -> Maybe Int
queryTimeOutValue        :: Maybe Int
                             , QueryState -> Int
queryAssertionStackDepth :: Int
                             }

-- | Computations which support query operations.
class Monad m => MonadQuery m where
  queryState :: m State

  default queryState :: (MonadTrans t, MonadQuery m', m ~ t m') => m State
  queryState = m' State -> t m' State
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m' State
forall (m :: * -> *). MonadQuery m => m State
queryState

instance MonadQuery m             => MonadQuery (ExceptT e m)
instance MonadQuery m             => MonadQuery (MaybeT m)
instance MonadQuery m             => MonadQuery (ReaderT r m)
instance MonadQuery m             => MonadQuery (SS.StateT s m)
instance MonadQuery m             => MonadQuery (LS.StateT s m)
instance (MonadQuery m, Monoid w) => MonadQuery (SW.WriterT w m)
instance (MonadQuery m, Monoid w) => MonadQuery (LW.WriterT w m)

-- | A query is a user-guided mechanism to directly communicate and extract
-- results from the solver. A generalization of 'Data.SBV.Query'.
newtype QueryT m a = QueryT { QueryT m a -> ReaderT State m a
runQueryT :: ReaderT State m a }
    deriving (Functor (QueryT m)
a -> QueryT m a
Functor (QueryT m)
-> (forall a. a -> QueryT m a)
-> (forall a b. QueryT m (a -> b) -> QueryT m a -> QueryT m b)
-> (forall a b c.
    (a -> b -> c) -> QueryT m a -> QueryT m b -> QueryT m c)
-> (forall a b. QueryT m a -> QueryT m b -> QueryT m b)
-> (forall a b. QueryT m a -> QueryT m b -> QueryT m a)
-> Applicative (QueryT m)
QueryT m a -> QueryT m b -> QueryT m b
QueryT m a -> QueryT m b -> QueryT m a
QueryT m (a -> b) -> QueryT m a -> QueryT m b
(a -> b -> c) -> QueryT m a -> QueryT m b -> QueryT m c
forall a. a -> QueryT m a
forall a b. QueryT m a -> QueryT m b -> QueryT m a
forall a b. QueryT m a -> QueryT m b -> QueryT m b
forall a b. QueryT m (a -> b) -> QueryT m a -> QueryT m b
forall a b c.
(a -> b -> c) -> QueryT m a -> QueryT m b -> QueryT m c
forall (f :: * -> *).
Functor f
-> (forall a. a -> f a)
-> (forall a b. f (a -> b) -> f a -> f b)
-> (forall a b c. (a -> b -> c) -> f a -> f b -> f c)
-> (forall a b. f a -> f b -> f b)
-> (forall a b. f a -> f b -> f a)
-> Applicative f
forall (m :: * -> *). Applicative m => Functor (QueryT m)
forall (m :: * -> *) a. Applicative m => a -> QueryT m a
forall (m :: * -> *) a b.
Applicative m =>
QueryT m a -> QueryT m b -> QueryT m a
forall (m :: * -> *) a b.
Applicative m =>
QueryT m a -> QueryT m b -> QueryT m b
forall (m :: * -> *) a b.
Applicative m =>
QueryT m (a -> b) -> QueryT m a -> QueryT m b
forall (m :: * -> *) a b c.
Applicative m =>
(a -> b -> c) -> QueryT m a -> QueryT m b -> QueryT m c
<* :: QueryT m a -> QueryT m b -> QueryT m a
$c<* :: forall (m :: * -> *) a b.
Applicative m =>
QueryT m a -> QueryT m b -> QueryT m a
*> :: QueryT m a -> QueryT m b -> QueryT m b
$c*> :: forall (m :: * -> *) a b.
Applicative m =>
QueryT m a -> QueryT m b -> QueryT m b
liftA2 :: (a -> b -> c) -> QueryT m a -> QueryT m b -> QueryT m c
$cliftA2 :: forall (m :: * -> *) a b c.
Applicative m =>
(a -> b -> c) -> QueryT m a -> QueryT m b -> QueryT m c
<*> :: QueryT m (a -> b) -> QueryT m a -> QueryT m b
$c<*> :: forall (m :: * -> *) a b.
Applicative m =>
QueryT m (a -> b) -> QueryT m a -> QueryT m b
pure :: a -> QueryT m a
$cpure :: forall (m :: * -> *) a. Applicative m => a -> QueryT m a
$cp1Applicative :: forall (m :: * -> *). Applicative m => Functor (QueryT m)
Applicative, a -> QueryT m b -> QueryT m a
(a -> b) -> QueryT m a -> QueryT m b
(forall a b. (a -> b) -> QueryT m a -> QueryT m b)
-> (forall a b. a -> QueryT m b -> QueryT m a)
-> Functor (QueryT m)
forall a b. a -> QueryT m b -> QueryT m a
forall a b. (a -> b) -> QueryT m a -> QueryT m b
forall (m :: * -> *) a b.
Functor m =>
a -> QueryT m b -> QueryT m a
forall (m :: * -> *) a b.
Functor m =>
(a -> b) -> QueryT m a -> QueryT m b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
<$ :: a -> QueryT m b -> QueryT m a
$c<$ :: forall (m :: * -> *) a b.
Functor m =>
a -> QueryT m b -> QueryT m a
fmap :: (a -> b) -> QueryT m a -> QueryT m b
$cfmap :: forall (m :: * -> *) a b.
Functor m =>
(a -> b) -> QueryT m a -> QueryT m b
Functor, Applicative (QueryT m)
a -> QueryT m a
Applicative (QueryT m)
-> (forall a b. QueryT m a -> (a -> QueryT m b) -> QueryT m b)
-> (forall a b. QueryT m a -> QueryT m b -> QueryT m b)
-> (forall a. a -> QueryT m a)
-> Monad (QueryT m)
QueryT m a -> (a -> QueryT m b) -> QueryT m b
QueryT m a -> QueryT m b -> QueryT m b
forall a. a -> QueryT m a
forall a b. QueryT m a -> QueryT m b -> QueryT m b
forall a b. QueryT m a -> (a -> QueryT m b) -> QueryT m b
forall (m :: * -> *). Monad m => Applicative (QueryT m)
forall (m :: * -> *) a. Monad m => a -> QueryT m a
forall (m :: * -> *) a b.
Monad m =>
QueryT m a -> QueryT m b -> QueryT m b
forall (m :: * -> *) a b.
Monad m =>
QueryT m a -> (a -> QueryT m b) -> QueryT m b
forall (m :: * -> *).
Applicative m
-> (forall a b. m a -> (a -> m b) -> m b)
-> (forall a b. m a -> m b -> m b)
-> (forall a. a -> m a)
-> Monad m
return :: a -> QueryT m a
$creturn :: forall (m :: * -> *) a. Monad m => a -> QueryT m a
>> :: QueryT m a -> QueryT m b -> QueryT m b
$c>> :: forall (m :: * -> *) a b.
Monad m =>
QueryT m a -> QueryT m b -> QueryT m b
>>= :: QueryT m a -> (a -> QueryT m b) -> QueryT m b
$c>>= :: forall (m :: * -> *) a b.
Monad m =>
QueryT m a -> (a -> QueryT m b) -> QueryT m b
$cp1Monad :: forall (m :: * -> *). Monad m => Applicative (QueryT m)
Monad, Monad (QueryT m)
Monad (QueryT m)
-> (forall a. IO a -> QueryT m a) -> MonadIO (QueryT m)
IO a -> QueryT m a
forall a. IO a -> QueryT m a
forall (m :: * -> *).
Monad m -> (forall a. IO a -> m a) -> MonadIO m
forall (m :: * -> *). MonadIO m => Monad (QueryT m)
forall (m :: * -> *) a. MonadIO m => IO a -> QueryT m a
liftIO :: IO a -> QueryT m a
$cliftIO :: forall (m :: * -> *) a. MonadIO m => IO a -> QueryT m a
$cp1MonadIO :: forall (m :: * -> *). MonadIO m => Monad (QueryT m)
MonadIO, m a -> QueryT m a
(forall (m :: * -> *) a. Monad m => m a -> QueryT m a)
-> MonadTrans QueryT
forall (m :: * -> *) a. Monad m => m a -> QueryT m a
forall (t :: (* -> *) -> * -> *).
(forall (m :: * -> *) a. Monad m => m a -> t m a) -> MonadTrans t
lift :: m a -> QueryT m a
$clift :: forall (m :: * -> *) a. Monad m => m a -> QueryT m a
MonadTrans,
              MonadError e, MonadState s, MonadWriter w)

instance Monad m => MonadQuery (QueryT m) where
  queryState :: QueryT m State
queryState = ReaderT State m State -> QueryT m State
forall (m :: * -> *) a. ReaderT State m a -> QueryT m a
QueryT ReaderT State m State
forall r (m :: * -> *). MonadReader r m => m r
ask

mapQueryT :: (ReaderT State m a -> ReaderT State n b) -> QueryT m a -> QueryT n b
mapQueryT :: (ReaderT State m a -> ReaderT State n b)
-> QueryT m a -> QueryT n b
mapQueryT ReaderT State m a -> ReaderT State n b
f = ReaderT State n b -> QueryT n b
forall (m :: * -> *) a. ReaderT State m a -> QueryT m a
QueryT (ReaderT State n b -> QueryT n b)
-> (QueryT m a -> ReaderT State n b) -> QueryT m a -> QueryT n b
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ReaderT State m a -> ReaderT State n b
f (ReaderT State m a -> ReaderT State n b)
-> (QueryT m a -> ReaderT State m a)
-> QueryT m a
-> ReaderT State n b
forall b c a. (b -> c) -> (a -> b) -> a -> c
. QueryT m a -> ReaderT State m a
forall (m :: * -> *) a. QueryT m a -> ReaderT State m a
runQueryT
{-# INLINE mapQueryT #-}

-- | Create a fresh variable of some type in the underlying query monad transformer.
-- For further control on how these variables are projected and embedded, see the
-- 'Queriable' class.
class Fresh m a where
  fresh :: QueryT m a

-- | An queriable value. This is a generalization of the 'Fresh' class, in case one needs
-- to be more specific about how projections/embeddings are done.
class Queriable m a b | a -> b where
  -- | ^ Create a new symbolic value of type @a@
  create  :: QueryT m a
  -- | ^ Extract the current value in a SAT context
  project :: a -> QueryT m b
  -- | ^ Create a literal value. Morally, 'embed' and 'project' are inverses of each other
  -- via the 'QueryT' monad transformer.
  embed   :: b -> QueryT m a

-- Have to define this one by hand, because we use ReaderT in the implementation
instance MonadReader r m => MonadReader r (QueryT m) where
  ask :: QueryT m r
ask = m r -> QueryT m r
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m r
forall r (m :: * -> *). MonadReader r m => m r
ask
  local :: (r -> r) -> QueryT m a -> QueryT m a
local r -> r
f = (ReaderT State m a -> ReaderT State m a)
-> QueryT m a -> QueryT m a
forall (m :: * -> *) a (n :: * -> *) b.
(ReaderT State m a -> ReaderT State n b)
-> QueryT m a -> QueryT n b
mapQueryT ((ReaderT State m a -> ReaderT State m a)
 -> QueryT m a -> QueryT m a)
-> (ReaderT State m a -> ReaderT State m a)
-> QueryT m a
-> QueryT m a
forall a b. (a -> b) -> a -> b
$ (m a -> m a) -> ReaderT State m a -> ReaderT State m a
forall (m :: * -> *) a (n :: * -> *) b r.
(m a -> n b) -> ReaderT r m a -> ReaderT r n b
mapReaderT ((m a -> m a) -> ReaderT State m a -> ReaderT State m a)
-> (m a -> m a) -> ReaderT State m a -> ReaderT State m a
forall a b. (a -> b) -> a -> b
$ (r -> r) -> m a -> m a
forall r (m :: * -> *) a. MonadReader r m => (r -> r) -> m a -> m a
local r -> r
f

-- | A query is a user-guided mechanism to directly communicate and extract
-- results from the solver.
type Query = QueryT IO

instance MonadSymbolic Query where
   symbolicEnv :: Query State
symbolicEnv = Query State
forall (m :: * -> *). MonadQuery m => m State
queryState

instance NFData OptimizeStyle where
   rnf :: OptimizeStyle -> ()
rnf OptimizeStyle
x = OptimizeStyle
x OptimizeStyle -> () -> ()
`seq` ()

instance NFData Penalty where
   rnf :: Penalty -> ()
rnf Penalty
DefaultPenalty  = ()
   rnf (Penalty Rational
p Maybe String
mbs) = Rational -> ()
forall a. NFData a => a -> ()
rnf Rational
p () -> () -> ()
`seq` Maybe String -> ()
forall a. NFData a => a -> ()
rnf Maybe String
mbs

instance NFData a => NFData (Objective a) where
   rnf :: Objective a -> ()
rnf (Minimize          String
s a
a)   = String -> ()
forall a. NFData a => a -> ()
rnf String
s () -> () -> ()
`seq` a -> ()
forall a. NFData a => a -> ()
rnf a
a
   rnf (Maximize          String
s a
a)   = String -> ()
forall a. NFData a => a -> ()
rnf String
s () -> () -> ()
`seq` a -> ()
forall a. NFData a => a -> ()
rnf a
a
   rnf (AssertWithPenalty String
s a
a Penalty
p) = String -> ()
forall a. NFData a => a -> ()
rnf String
s () -> () -> ()
`seq` a -> ()
forall a. NFData a => a -> ()
rnf a
a () -> () -> ()
`seq` Penalty -> ()
forall a. NFData a => a -> ()
rnf Penalty
p

-- | Result of running a symbolic computation
data Result = Result { Result -> Set Kind
reskinds       :: Set.Set Kind                                 -- ^ kinds used in the program
                     , Result -> [(String, CV)]
resTraces      :: [(String, CV)]                               -- ^ quick-check counter-example information (if any)
                     , Result -> [(String, CV -> Bool, SV)]
resObservables :: [(String, CV -> Bool, SV)]                   -- ^ observable expressions (part of the model)
                     , Result -> [(String, [String])]
resUISegs      :: [(String, [String])]                         -- ^ uninterpeted code segments
                     , Result -> ([(Quantifier, NamedSymVar)], [NamedSymVar])
resInputs      :: ([(Quantifier, NamedSymVar)], [NamedSymVar]) -- ^ inputs (possibly existential) + tracker vars
                     , Result -> (CnstMap, [(SV, CV)])
resConsts      :: (CnstMap, [(SV, CV)])                        -- ^ constants
                     , Result -> [((Int, Kind, Kind), [SV])]
resTables      :: [((Int, Kind, Kind), [SV])]                  -- ^ tables (automatically constructed) (tableno, index-type, result-type) elts
                     , Result -> [(Int, ArrayInfo)]
resArrays      :: [(Int, ArrayInfo)]                           -- ^ arrays (user specified)
                     , Result -> [(String, SBVType)]
resUIConsts    :: [(String, SBVType)]                          -- ^ uninterpreted constants
                     , Result -> [(Bool, String, [String])]
resAxioms      :: [(Bool, String, [String])]                   -- ^ axioms/definitions
                     , Result -> SBVPgm
resAsgns       :: SBVPgm                                       -- ^ assignments
                     , Result -> Seq (Bool, [(String, String)], SV)
resConstraints :: S.Seq (Bool, [(String, String)], SV)         -- ^ additional constraints (boolean)
                     , Result -> [(String, Maybe CallStack, SV)]
resAssertions  :: [(String, Maybe CallStack, SV)]              -- ^ assertions
                     , Result -> [SV]
resOutputs     :: [SV]                                         -- ^ outputs
                     }

-- Show instance for 'Result'. Only for debugging purposes.
instance Show Result where
  -- If there's nothing interesting going on, just print the constant. Note that the
  -- definition of interesting here is rather subjective; but essentially if we reduced
  -- the result to a single constant already, without any reference to anything.
  show :: Result -> String
show Result{resConsts :: Result -> (CnstMap, [(SV, CV)])
resConsts=(CnstMap
_, [(SV, CV)]
cs), resOutputs :: Result -> [SV]
resOutputs=[SV
r]}
    | Just CV
c <- SV
r SV -> [(SV, CV)] -> Maybe CV
forall a b. Eq a => a -> [(a, b)] -> Maybe b
`lookup` [(SV, CV)]
cs
    = CV -> String
forall a. Show a => a -> String
show CV
c
  show (Result Set Kind
kinds [(String, CV)]
_ [(String, CV -> Bool, SV)]
_ [(String, [String])]
cgs ([(Quantifier, NamedSymVar)], [NamedSymVar])
is (CnstMap
_, [(SV, CV)]
cs) [((Int, Kind, Kind), [SV])]
ts [(Int, ArrayInfo)]
as [(String, SBVType)]
uis [(Bool, String, [String])]
axs SBVPgm
xs Seq (Bool, [(String, String)], SV)
cstrs [(String, Maybe CallStack, SV)]
asserts [SV]
os) = String -> [String] -> String
forall a. [a] -> [[a]] -> [a]
intercalate String
"\n" ([String] -> String) -> [String] -> String
forall a b. (a -> b) -> a -> b
$
                   (if [String] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [String]
usorts then [] else String
"SORTS" String -> [String] -> [String]
forall a. a -> [a] -> [a]
: ShowS -> [String] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (String
"  " String -> ShowS
forall a. [a] -> [a] -> [a]
++) [String]
usorts)
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"INPUTS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((Quantifier, NamedSymVar) -> String)
-> [(Quantifier, NamedSymVar)] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (Quantifier, NamedSymVar) -> String
shn (([(Quantifier, NamedSymVar)], [NamedSymVar])
-> [(Quantifier, NamedSymVar)]
forall a b. (a, b) -> a
fst ([(Quantifier, NamedSymVar)], [NamedSymVar])
is)
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ (if [NamedSymVar] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null (([(Quantifier, NamedSymVar)], [NamedSymVar]) -> [NamedSymVar]
forall a b. (a, b) -> b
snd ([(Quantifier, NamedSymVar)], [NamedSymVar])
is) then [] else String
"TRACKER VARS" String -> [String] -> [String]
forall a. a -> [a] -> [a]
: (NamedSymVar -> String) -> [NamedSymVar] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map ((Quantifier, NamedSymVar) -> String
shn ((Quantifier, NamedSymVar) -> String)
-> (NamedSymVar -> (Quantifier, NamedSymVar))
-> NamedSymVar
-> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Quantifier
EX,)) (([(Quantifier, NamedSymVar)], [NamedSymVar]) -> [NamedSymVar]
forall a b. (a, b) -> b
snd ([(Quantifier, NamedSymVar)], [NamedSymVar])
is))
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"CONSTANTS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((SV, CV) -> [String]) -> [(SV, CV)] -> [String]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap (SV, CV) -> [String]
forall a. Show a => (SV, a) -> [String]
shc [(SV, CV)]
cs
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"TABLES"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ (((Int, Kind, Kind), [SV]) -> String)
-> [((Int, Kind, Kind), [SV])] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map ((Int, Kind, Kind), [SV]) -> String
forall a a a a.
(Show a, Show a, Show a, Show a) =>
((a, a, a), a) -> String
sht [((Int, Kind, Kind), [SV])]
ts
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"ARRAYS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((Int, ArrayInfo) -> String) -> [(Int, ArrayInfo)] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (Int, ArrayInfo) -> String
forall a a a a.
(Show a, Show a, Show a, Show a) =>
(a, (String, (a, a), a)) -> String
sha [(Int, ArrayInfo)]
as
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"UNINTERPRETED CONSTANTS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((String, SBVType) -> String) -> [(String, SBVType)] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (String, SBVType) -> String
forall a. Show a => (String, a) -> String
shui [(String, SBVType)]
uis
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"USER GIVEN CODE SEGMENTS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((String, [String]) -> [String])
-> [(String, [String])] -> [String]
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap (String, [String]) -> [String]
shcg [(String, [String])]
cgs
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"AXIOMS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((Bool, String, [String]) -> String)
-> [(Bool, String, [String])] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (Bool, String, [String]) -> String
shax [(Bool, String, [String])]
axs
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"DEFINE"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((SV, SBVExpr) -> String) -> [(SV, SBVExpr)] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (\(SV
s, SBVExpr
e) -> String
"  " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
shs SV
s String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" = " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SBVExpr -> String
forall a. Show a => a -> String
show SBVExpr
e) (Seq (SV, SBVExpr) -> [(SV, SBVExpr)]
forall (t :: * -> *) a. Foldable t => t a -> [a]
F.toList (SBVPgm -> Seq (SV, SBVExpr)
pgmAssignments SBVPgm
xs))
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"CONSTRAINTS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((Bool, [(String, String)], SV) -> String)
-> [(Bool, [(String, String)], SV)] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map ((String
"  " String -> ShowS
forall a. [a] -> [a] -> [a]
++) ShowS
-> ((Bool, [(String, String)], SV) -> String)
-> (Bool, [(String, String)], SV)
-> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Bool, [(String, String)], SV) -> String
forall a a.
(Eq a, IsString a, Show a, Show a) =>
(Bool, [(a, String)], a) -> String
shCstr) (Seq (Bool, [(String, String)], SV)
-> [(Bool, [(String, String)], SV)]
forall (t :: * -> *) a. Foldable t => t a -> [a]
F.toList Seq (Bool, [(String, String)], SV)
cstrs)
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"ASSERTIONS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ ((String, Maybe CallStack, SV) -> String)
-> [(String, Maybe CallStack, SV)] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map ((String
"  "String -> ShowS
forall a. [a] -> [a] -> [a]
++) ShowS
-> ((String, Maybe CallStack, SV) -> String)
-> (String, Maybe CallStack, SV)
-> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (String, Maybe CallStack, SV) -> String
forall a. Show a => (String, Maybe CallStack, a) -> String
shAssert) [(String, Maybe CallStack, SV)]
asserts
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"OUTPUTS"]
                [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [SV] -> [String]
forall a. Show a => [a] -> [String]
sh2 [SV]
os
    where sh2 :: Show a => [a] -> [String]
          sh2 :: [a] -> [String]
sh2 = (a -> String) -> [a] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map ((String
"  "String -> ShowS
forall a. [a] -> [a] -> [a]
++) ShowS -> (a -> String) -> a -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> String
forall a. Show a => a -> String
show)

          usorts :: [String]
usorts = [String -> Maybe [String] -> String
sh String
s Maybe [String]
t | KUserSort String
s Maybe [String]
t <- Set Kind -> [Kind]
forall a. Set a -> [a]
Set.toList Set Kind
kinds]
                   where sh :: String -> Maybe [String] -> String
sh String
s Maybe [String]
Nothing   = String
s
                         sh String
s (Just [String]
es) = String
s String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ String -> [String] -> String
forall a. [a] -> [[a]] -> [a]
intercalate String
", " [String]
es String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"

          shs :: SV -> String
shs SV
sv = SV -> String
forall a. Show a => a -> String
show SV
sv String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (SV -> Kind
swKind SV
sv)

          sht :: ((a, a, a), a) -> String
sht ((a
i, a
at, a
rt), a
es)  = String
"  Table " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
i String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" : " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
at String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"->" String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
rt String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" = " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
es

          shc :: (SV, a) -> [String]
shc (SV
sv, a
cv)
            | SV
sv SV -> SV -> Bool
forall a. Eq a => a -> a -> Bool
== SV
falseSV Bool -> Bool -> Bool
|| SV
sv SV -> SV -> Bool
forall a. Eq a => a -> a -> Bool
== SV
trueSV
            = []
            | Bool
True
            = [String
"  " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
sv String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" = " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
cv]

          shcg :: (String, [String]) -> [String]
shcg (String
s, [String]
ss) = (String
"Variable: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
s) String -> [String] -> [String]
forall a. a -> [a] -> [a]
: ShowS -> [String] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (String
"  " String -> ShowS
forall a. [a] -> [a] -> [a]
++) [String]
ss

          shn :: (Quantifier, NamedSymVar) -> String
shn (Quantifier
q, NamedSymVar SV
sv Name
nm) = String
"  " String -> ShowS
forall a. Semigroup a => a -> a -> a
<> String
ni String -> ShowS
forall a. Semigroup a => a -> a -> a
<> String
" :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (SV -> Kind
swKind SV
sv) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
ex String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
alias
            where ni :: String
ni = SV -> String
forall a. Show a => a -> String
show SV
sv
                  ex :: String
ex    | Quantifier
q Quantifier -> Quantifier -> Bool
forall a. Eq a => a -> a -> Bool
== Quantifier
ALL          = String
""
                        | Bool
True              = String
", existential"

                  alias :: String
alias | String
ni String -> String -> Bool
forall a. Eq a => a -> a -> Bool
== Name -> String
T.unpack Name
nm = String
""
                        | Bool
True              = String
", aliasing " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Name -> String
forall a. Show a => a -> String
show Name
nm

          sha :: (a, (String, (a, a), a)) -> String
sha (a
i, (String
nm, (a
ai, a
bi), a
ctx)) = String
"  " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
ni String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
ai String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" -> " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
bi String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
alias
                                       String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"\n     Context: "     String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
ctx
            where ni :: String
ni = String
"array_" String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
i
                  alias :: String
alias | String
ni String -> String -> Bool
forall a. Eq a => a -> a -> Bool
== String
nm = String
""
                        | Bool
True     = String
", aliasing " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
forall a. Show a => a -> String
show String
nm

          shui :: (String, a) -> String
shui (String
nm, a
t) = String
"  [uninterpreted] " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
nm String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
t

          shax :: (Bool, String, [String]) -> String
shax (Bool
hasDefinition, String
nm, [String]
ss) = String
"  -- user defined " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
what String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
": " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
nm String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"\n  " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String -> [String] -> String
forall a. [a] -> [[a]] -> [a]
intercalate String
"\n  " [String]
ss
             where what :: String
what | Bool
hasDefinition = String
"value"
                        | Bool
True          = String
"axiom"

          shCstr :: (Bool, [(a, String)], a) -> String
shCstr (Bool
isSoft, [], a
c)               = Bool -> String
forall p. IsString p => Bool -> p
soft Bool
isSoft String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
c
          shCstr (Bool
isSoft, [(a
":named", String
nm)], a
c) = Bool -> String
forall p. IsString p => Bool -> p
soft Bool
isSoft String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
nm String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
": " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
c
          shCstr (Bool
isSoft, [(a, String)]
attrs, a
c)            = Bool -> String
forall p. IsString p => Bool -> p
soft Bool
isSoft String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
c String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" (attributes: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ [(a, String)] -> String
forall a. Show a => a -> String
show [(a, String)]
attrs String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"

          soft :: Bool -> p
soft Bool
True  = p
"[SOFT] "
          soft Bool
False = p
""

          shAssert :: (String, Maybe CallStack, a) -> String
shAssert (String
nm, Maybe CallStack
stk, a
p) = String
"  -- assertion: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
nm String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String -> (CallStack -> String) -> Maybe CallStack -> String
forall b a. b -> (a -> b) -> Maybe a -> b
maybe String
"[No location]"
#if MIN_VERSION_base(4,9,0)
                CallStack -> String
prettyCallStack
#else
                showCallStack
#endif
                Maybe CallStack
stk String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
": " String -> ShowS
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
p

-- | The context of a symbolic array as created
data ArrayContext = ArrayFree (Maybe SV)                   -- ^ A new array, the contents are initialized with the given value, if any
                  | ArrayMutate ArrayIndex SV SV           -- ^ An array created by mutating another array at a given cell
                  | ArrayMerge  SV ArrayIndex ArrayIndex   -- ^ An array created by symbolically merging two other arrays

instance Show ArrayContext where
  show :: ArrayContext -> String
show (ArrayFree Maybe SV
Nothing)   = String
" initialized with random elements"
  show (ArrayFree (Just SV
sv)) = String
" initialized with " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
sv
  show (ArrayMutate ArrayIndex
i SV
a SV
b)   = String
" cloned from array_" String -> ShowS
forall a. [a] -> [a] -> [a]
++ ArrayIndex -> String
forall a. Show a => a -> String
show ArrayIndex
i String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" with " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
a String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (SV -> Kind
swKind SV
a) String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" |-> " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
b String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show (SV -> Kind
swKind SV
b)
  show (ArrayMerge  SV
s ArrayIndex
i ArrayIndex
j)   = String
" merged arrays " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ArrayIndex -> String
forall a. Show a => a -> String
show ArrayIndex
i String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" and " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ArrayIndex -> String
forall a. Show a => a -> String
show ArrayIndex
j String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" on condition " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
s

-- | Expression map, used for hash-consing
type ExprMap = Map.Map SBVExpr SV

-- | Constants are stored in a map, for hash-consing.
type CnstMap = Map.Map CV SV

-- | Kinds used in the program; used for determining the final SMT-Lib logic to pick
type KindSet = Set.Set Kind

-- | Tables generated during a symbolic run
type TableMap = Map.Map (Kind, Kind, [SV]) Int

-- | Representation for symbolic arrays
type ArrayInfo = (String, (Kind, Kind), ArrayContext)

-- | SMT Arrays generated during a symbolic run
type ArrayMap  = IMap.IntMap ArrayInfo

-- | Functional Arrays generated during a symbolic run
type FArrayMap  = IMap.IntMap (SVal -> SVal, IORef (IMap.IntMap SV))

-- | Uninterpreted-constants generated during a symbolic run
type UIMap     = Map.Map String SBVType

-- | Code-segments for Uninterpreted-constants, as given by the user
type CgMap     = Map.Map String [String]

-- | Cached values, implementing sharing
type Cache a   = IMap.IntMap [(StableName (State -> IO a), a)]

-- | Stage of an interactive run
data IStage = ISetup        -- Before we initiate contact.
            | ISafe         -- In the context of a safe/safeWith call
            | IRun          -- After the contact is started

-- | Are we checking safety
isSafetyCheckingIStage :: IStage -> Bool
isSafetyCheckingIStage :: IStage -> Bool
isSafetyCheckingIStage IStage
s = case IStage
s of
                             IStage
ISetup -> Bool
False
                             IStage
ISafe  -> Bool
True
                             IStage
IRun   -> Bool
False

-- | Are we in setup?
isSetupIStage :: IStage -> Bool
isSetupIStage :: IStage -> Bool
isSetupIStage IStage
s = case IStage
s of
                   IStage
ISetup -> Bool
True
                   IStage
ISafe  -> Bool
False
                   IStage
IRun   -> Bool
True

-- | Are we in a run?
isRunIStage :: IStage -> Bool
isRunIStage :: IStage -> Bool
isRunIStage IStage
s = case IStage
s of
                  IStage
ISetup -> Bool
False
                  IStage
ISafe  -> Bool
False
                  IStage
IRun   -> Bool
True

-- | Different means of running a symbolic piece of code
data SBVRunMode = SMTMode QueryContext IStage Bool SMTConfig                        -- ^ In regular mode, with a stage. Bool is True if this is SAT.
                | CodeGen                                                           -- ^ Code generation mode.
                | Concrete (Maybe (Bool, [((Quantifier, NamedSymVar), Maybe CV)]))  -- ^ Concrete simulation mode, with given environment if any. If Nothing: Random.

-- Show instance for SBVRunMode; debugging purposes only
instance Show SBVRunMode where
   show :: SBVRunMode -> String
show (SMTMode QueryContext
qc IStage
ISetup Bool
True  SMTConfig
_)  = String
"Satisfiability setup (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ QueryContext -> String
forall a. Show a => a -> String
show QueryContext
qc String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
   show (SMTMode QueryContext
qc IStage
ISafe  Bool
True  SMTConfig
_)  = String
"Safety setup (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ QueryContext -> String
forall a. Show a => a -> String
show QueryContext
qc String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
   show (SMTMode QueryContext
qc IStage
IRun   Bool
True  SMTConfig
_)  = String
"Satisfiability (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ QueryContext -> String
forall a. Show a => a -> String
show QueryContext
qc String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
   show (SMTMode QueryContext
qc IStage
ISetup Bool
False SMTConfig
_)  = String
"Proof setup (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ QueryContext -> String
forall a. Show a => a -> String
show QueryContext
qc String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
   show (SMTMode QueryContext
qc IStage
ISafe  Bool
False SMTConfig
_)  = ShowS
forall a. HasCallStack => String -> a
error ShowS -> ShowS
forall a b. (a -> b) -> a -> b
$ String
"ISafe-False is not an expected/supported combination for SBVRunMode! (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ QueryContext -> String
forall a. Show a => a -> String
show QueryContext
qc String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
   show (SMTMode QueryContext
qc IStage
IRun   Bool
False SMTConfig
_)  = String
"Proof (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ QueryContext -> String
forall a. Show a => a -> String
show QueryContext
qc String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
")"
   show SBVRunMode
CodeGen                      = String
"Code generation"
   show (Concrete Maybe (Bool, [((Quantifier, NamedSymVar), Maybe CV)])
Nothing)           = String
"Concrete evaluation with random values"
   show (Concrete (Just (Bool
True, [((Quantifier, NamedSymVar), Maybe CV)]
_)))  = String
"Concrete evaluation during model validation for sat"
   show (Concrete (Just (Bool
False, [((Quantifier, NamedSymVar), Maybe CV)]
_))) = String
"Concrete evaluation during model validation for prove"

-- | Is this a CodeGen run? (i.e., generating code)
isCodeGenMode :: State -> IO Bool
isCodeGenMode :: State -> IO Bool
isCodeGenMode State{IORef SBVRunMode
runMode :: State -> IORef SBVRunMode
runMode :: IORef SBVRunMode
runMode} = do SBVRunMode
rm <- IORef SBVRunMode -> IO SBVRunMode
forall a. IORef a -> IO a
readIORef IORef SBVRunMode
runMode
                                  Bool -> IO Bool
forall (m :: * -> *) a. Monad m => a -> m a
return (Bool -> IO Bool) -> Bool -> IO Bool
forall a b. (a -> b) -> a -> b
$ case SBVRunMode
rm of
                                             Concrete{} -> Bool
False
                                             SMTMode{}  -> Bool
False
                                             SBVRunMode
CodeGen    -> Bool
True

-- | The state in query mode, i.e., additional context
data IncState = IncState { IncState -> IORef [NamedSymVar]
rNewInps        :: IORef [NamedSymVar]   -- always existential!
                         , IncState -> IORef (Set Kind)
rNewKinds       :: IORef KindSet
                         , IncState -> IORef CnstMap
rNewConsts      :: IORef CnstMap
                         , IncState -> IORef ArrayMap
rNewArrs        :: IORef ArrayMap
                         , IncState -> IORef TableMap
rNewTbls        :: IORef TableMap
                         , IncState -> IORef UIMap
rNewUIs         :: IORef UIMap
                         , IncState -> IORef SBVPgm
rNewAsgns       :: IORef SBVPgm
                         , IncState -> IORef (Seq (Bool, [(String, String)], SV))
rNewConstraints :: IORef (S.Seq (Bool, [(String, String)], SV))
                         }

-- | Get a new IncState
newIncState :: IO IncState
newIncState :: IO IncState
newIncState = do
        IORef [NamedSymVar]
is    <- [NamedSymVar] -> IO (IORef [NamedSymVar])
forall a. a -> IO (IORef a)
newIORef []
        IORef (Set Kind)
ks    <- Set Kind -> IO (IORef (Set Kind))
forall a. a -> IO (IORef a)
newIORef Set Kind
forall a. Set a
Set.empty
        IORef CnstMap
nc    <- CnstMap -> IO (IORef CnstMap)
forall a. a -> IO (IORef a)
newIORef CnstMap
forall k a. Map k a
Map.empty
        IORef ArrayMap
am    <- ArrayMap -> IO (IORef ArrayMap)
forall a. a -> IO (IORef a)
newIORef ArrayMap
forall a. IntMap a
IMap.empty
        IORef TableMap
tm    <- TableMap -> IO (IORef TableMap)
forall a. a -> IO (IORef a)
newIORef TableMap
forall k a. Map k a
Map.empty
        IORef UIMap
ui    <- UIMap -> IO (IORef UIMap)
forall a. a -> IO (IORef a)
newIORef UIMap
forall k a. Map k a
Map.empty
        IORef SBVPgm
pgm   <- SBVPgm -> IO (IORef SBVPgm)
forall a. a -> IO (IORef a)
newIORef (Seq (SV, SBVExpr) -> SBVPgm
SBVPgm Seq (SV, SBVExpr)
forall a. Seq a
S.empty)
        IORef (Seq (Bool, [(String, String)], SV))
cstrs <- Seq (Bool, [(String, String)], SV)
-> IO (IORef (Seq (Bool, [(String, String)], SV)))
forall a. a -> IO (IORef a)
newIORef Seq (Bool, [(String, String)], SV)
forall a. Seq a
S.empty
        IncState -> IO IncState
forall (m :: * -> *) a. Monad m => a -> m a
return IncState :: IORef [NamedSymVar]
-> IORef (Set Kind)
-> IORef CnstMap
-> IORef ArrayMap
-> IORef TableMap
-> IORef UIMap
-> IORef SBVPgm
-> IORef (Seq (Bool, [(String, String)], SV))
-> IncState
IncState { rNewInps :: IORef [NamedSymVar]
rNewInps        = IORef [NamedSymVar]
is
                        , rNewKinds :: IORef (Set Kind)
rNewKinds       = IORef (Set Kind)
ks
                        , rNewConsts :: IORef CnstMap
rNewConsts      = IORef CnstMap
nc
                        , rNewArrs :: IORef ArrayMap
rNewArrs        = IORef ArrayMap
am
                        , rNewTbls :: IORef TableMap
rNewTbls        = IORef TableMap
tm
                        , rNewUIs :: IORef UIMap
rNewUIs         = IORef UIMap
ui
                        , rNewAsgns :: IORef SBVPgm
rNewAsgns       = IORef SBVPgm
pgm
                        , rNewConstraints :: IORef (Seq (Bool, [(String, String)], SV))
rNewConstraints = IORef (Seq (Bool, [(String, String)], SV))
cstrs
                        }

-- | Get a new IncState
withNewIncState :: State -> (State -> IO a) -> IO (IncState, a)
withNewIncState :: State -> (State -> IO a) -> IO (IncState, a)
withNewIncState State
st State -> IO a
cont = do
        IncState
is <- IO IncState
newIncState
        IORef IncState -> (IncState -> IncState) -> IO ()
forall a. IORef a -> (a -> a) -> IO ()
R.modifyIORef' (State -> IORef IncState
rIncState State
st) (IncState -> IncState -> IncState
forall a b. a -> b -> a
const IncState
is)
        a
r  <- State -> IO a
cont State
st
        IncState
finalIncState <- IORef IncState -> IO IncState
forall a. IORef a -> IO a
readIORef (State -> IORef IncState
rIncState State
st)
        (IncState, a) -> IO (IncState, a)
forall (m :: * -> *) a. Monad m => a -> m a
return (IncState
finalIncState, a
r)

-- | User defined, with proper quantifiers
type UserInputs = S.Seq (Quantifier, NamedSymVar)

-- | Internally declared, always existential
type InternInps = S.Seq NamedSymVar

-- | Entire set of names, for faster lookup
type AllInps = Set.Set Name

-- | Inputs as a record of maps and sets. See above type-synonyms for their roles.
data Inputs = Inputs { Inputs -> UserInputs
userInputs   :: !UserInputs
                     , Inputs -> InternInps
internInputs :: !InternInps
                     , Inputs -> AllInps
allInputs    :: !AllInps
                     } deriving (Inputs -> Inputs -> Bool
(Inputs -> Inputs -> Bool)
-> (Inputs -> Inputs -> Bool) -> Eq Inputs
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Inputs -> Inputs -> Bool
$c/= :: Inputs -> Inputs -> Bool
== :: Inputs -> Inputs -> Bool
$c== :: Inputs -> Inputs -> Bool
Eq,Int -> Inputs -> ShowS
[Inputs] -> ShowS
Inputs -> String
(Int -> Inputs -> ShowS)
-> (Inputs -> String) -> ([Inputs] -> ShowS) -> Show Inputs
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Inputs] -> ShowS
$cshowList :: [Inputs] -> ShowS
show :: Inputs -> String
$cshow :: Inputs -> String
showsPrec :: Int -> Inputs -> ShowS
$cshowsPrec :: Int -> Inputs -> ShowS
Show)

-- | Semigroup instance; combining according to indexes.
instance Semigroup Inputs where
  (Inputs UserInputs
lui InternInps
lii AllInps
lai) <> :: Inputs -> Inputs -> Inputs
<> (Inputs UserInputs
rui InternInps
rii AllInps
rai) = UserInputs -> InternInps -> AllInps -> Inputs
Inputs (UserInputs
lui UserInputs -> UserInputs -> UserInputs
forall a. Semigroup a => a -> a -> a
<> UserInputs
rui) (InternInps
lii InternInps -> InternInps -> InternInps
forall a. Semigroup a => a -> a -> a
<> InternInps
rii) (AllInps
lai AllInps -> AllInps -> AllInps
forall a. Semigroup a => a -> a -> a
<> AllInps
rai)

-- | Monoid instance, we start with no maps.
instance Monoid Inputs where
  mempty :: Inputs
mempty = Inputs :: UserInputs -> InternInps -> AllInps -> Inputs
Inputs { userInputs :: UserInputs
userInputs   = UserInputs
forall a. Monoid a => a
mempty
                  , internInputs :: InternInps
internInputs = InternInps
forall a. Monoid a => a
mempty
                  , allInputs :: AllInps
allInputs    = AllInps
forall a. Monoid a => a
mempty
                  }

-- | Get the quantifier
quantifier :: (Quantifier, NamedSymVar) -> Quantifier
quantifier :: (Quantifier, NamedSymVar) -> Quantifier
quantifier = (Quantifier, NamedSymVar) -> Quantifier
forall a b. (a, b) -> a
fst

-- | Get the named symbolic variable
namedSymVar :: (Quantifier, NamedSymVar) -> NamedSymVar
namedSymVar :: (Quantifier, NamedSymVar) -> NamedSymVar
namedSymVar = (Quantifier, NamedSymVar) -> NamedSymVar
forall a b. (a, b) -> b
snd

-- | Modify the user-inputs field
onUserInputs :: (UserInputs -> UserInputs) -> Inputs -> Inputs
onUserInputs :: (UserInputs -> UserInputs) -> Inputs -> Inputs
onUserInputs UserInputs -> UserInputs
f inp :: Inputs
inp@Inputs{UserInputs
userInputs :: UserInputs
userInputs :: Inputs -> UserInputs
userInputs} = Inputs
inp{userInputs :: UserInputs
userInputs = UserInputs -> UserInputs
f UserInputs
userInputs}

-- | Modify the internal-inputs field
onInternInputs :: (InternInps -> InternInps) -> Inputs -> Inputs
onInternInputs :: (InternInps -> InternInps) -> Inputs -> Inputs
onInternInputs InternInps -> InternInps
f inp :: Inputs
inp@Inputs{InternInps
internInputs :: InternInps
internInputs :: Inputs -> InternInps
internInputs} = Inputs
inp{internInputs :: InternInps
internInputs = InternInps -> InternInps
f InternInps
internInputs}

-- | Modify the all-inputs field
onAllInputs :: (AllInps -> AllInps) -> Inputs -> Inputs
onAllInputs :: (AllInps -> AllInps) -> Inputs -> Inputs
onAllInputs AllInps -> AllInps
f inp :: Inputs
inp@Inputs{AllInps
allInputs :: AllInps
allInputs :: Inputs -> AllInps
allInputs} = Inputs
inp{allInputs :: AllInps
allInputs = AllInps -> AllInps
f AllInps
allInputs}

-- | Add a new internal input
addInternInput :: SV -> Name -> Inputs -> Inputs
addInternInput :: SV -> Name -> Inputs -> Inputs
addInternInput SV
sv Name
nm = Inputs -> Inputs
goAll (Inputs -> Inputs) -> (Inputs -> Inputs) -> Inputs -> Inputs
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Inputs -> Inputs
goIntern
  where !new :: NamedSymVar
new = SV -> Name -> NamedSymVar
toNamedSV SV
sv Name
nm
        goIntern :: Inputs -> Inputs
goIntern = (InternInps -> InternInps) -> Inputs -> Inputs
onInternInputs (InternInps -> NamedSymVar -> InternInps
forall a. Seq a -> a -> Seq a
S.|> NamedSymVar
new)
        goAll :: Inputs -> Inputs
goAll    = (AllInps -> AllInps) -> Inputs -> Inputs
onAllInputs    (Name -> AllInps -> AllInps
forall a. Ord a => a -> Set a -> Set a
Set.insert Name
nm)

-- | Add a new user input
addUserInput :: Quantifier -> SV -> Name -> Inputs -> Inputs
addUserInput :: Quantifier -> SV -> Name -> Inputs -> Inputs
addUserInput Quantifier
q SV
sv Name
nm = Inputs -> Inputs
goAll (Inputs -> Inputs) -> (Inputs -> Inputs) -> Inputs -> Inputs
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Inputs -> Inputs
goUser
  where new :: NamedSymVar
new = SV -> Name -> NamedSymVar
toNamedSV SV
sv Name
nm
        goUser :: Inputs -> Inputs
goUser = (UserInputs -> UserInputs) -> Inputs -> Inputs
onUserInputs (UserInputs -> (Quantifier, NamedSymVar) -> UserInputs
forall a. Seq a -> a -> Seq a
S.|> (Quantifier
q, NamedSymVar
new)) -- add to the end of the sequence
        goAll :: Inputs -> Inputs
goAll  = (AllInps -> AllInps) -> Inputs -> Inputs
onAllInputs  (Name -> AllInps -> AllInps
forall a. Ord a => a -> Set a -> Set a
Set.insert Name
nm)

-- | Return user and internal inputs
getInputs :: Inputs -> (UserInputs, InternInps)
getInputs :: Inputs -> (UserInputs, InternInps)
getInputs Inputs{UserInputs
userInputs :: UserInputs
userInputs :: Inputs -> UserInputs
userInputs, InternInps
internInputs :: InternInps
internInputs :: Inputs -> InternInps
internInputs} = (UserInputs
userInputs, InternInps
internInputs)

-- | Find a user-input from its SV
lookupInput :: Eq a => (a -> SV) -> SV -> S.Seq a -> Maybe a
lookupInput :: (a -> SV) -> SV -> Seq a -> Maybe a
lookupInput a -> SV
f SV
sv Seq a
ns = Maybe a
res
  where
    i :: Int
i   = NodeId -> Int
getId (SV -> NodeId
swNodeId SV
sv)
    svs :: Seq SV
svs = (a -> SV) -> Seq a -> Seq SV
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap a -> SV
f Seq a
ns
    res :: Maybe a
res = case Int -> Seq a -> Maybe a
forall a. Int -> Seq a -> Maybe a
S.lookup Int
i Seq a
ns of -- Nothing on negative Int or Int > length seq
            Maybe a
Nothing    -> Maybe a
secondLookup
            x :: Maybe a
x@(Just a
e) -> if SV
sv SV -> SV -> Bool
forall a. Eq a => a -> a -> Bool
== a -> SV
f a
e then Maybe a
x else Maybe a
secondLookup
              -- we try the fast lookup first, if the node ids don't match then
              -- we use the more expensive O (n) to find the index and the elem
    secondLookup :: Maybe a
secondLookup = SV -> Seq SV -> Maybe Int
forall a. Eq a => a -> Seq a -> Maybe Int
S.elemIndexL SV
sv Seq SV
svs Maybe Int -> (Int -> Maybe a) -> Maybe a
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= (Int -> Seq a -> Maybe a) -> Seq a -> Int -> Maybe a
forall a b c. (a -> b -> c) -> b -> a -> c
flip Int -> Seq a -> Maybe a
forall a. Int -> Seq a -> Maybe a
S.lookup Seq a
ns

-- | Extract universals
getUniversals :: UserInputs -> S.Seq NamedSymVar
getUniversals :: UserInputs -> InternInps
getUniversals = ((Quantifier, NamedSymVar) -> NamedSymVar)
-> UserInputs -> InternInps
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (Quantifier, NamedSymVar) -> NamedSymVar
namedSymVar (UserInputs -> InternInps)
-> (UserInputs -> UserInputs) -> UserInputs -> InternInps
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((Quantifier, NamedSymVar) -> Bool) -> UserInputs -> UserInputs
forall a. (a -> Bool) -> Seq a -> Seq a
S.filter ((Quantifier -> Quantifier -> Bool
forall a. Eq a => a -> a -> Bool
== Quantifier
ALL) (Quantifier -> Bool)
-> ((Quantifier, NamedSymVar) -> Quantifier)
-> (Quantifier, NamedSymVar)
-> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Quantifier, NamedSymVar) -> Quantifier
quantifier)

-- | Get a prefix of the user inputs by a predicate. Note that we could not rely
-- on fusion here but this is cheap and easy until there is an observable slow down from not fusing.
userInpsPrefixBy :: ((Quantifier, NamedSymVar) -> Bool) -> UserInputs -> UserInputs
userInpsPrefixBy :: ((Quantifier, NamedSymVar) -> Bool) -> UserInputs -> UserInputs
userInpsPrefixBy = ((Quantifier, NamedSymVar) -> Bool) -> UserInputs -> UserInputs
forall a. (a -> Bool) -> Seq a -> Seq a
S.takeWhileL

-- | Find prefix existentials, i.e., those that are at skolem positions and have valid model values.
prefixExistentials :: UserInputs -> UserInputs
prefixExistentials :: UserInputs -> UserInputs
prefixExistentials = ((Quantifier, NamedSymVar) -> Bool) -> UserInputs -> UserInputs
userInpsPrefixBy ((Quantifier -> Quantifier -> Bool
forall a. Eq a => a -> a -> Bool
/= Quantifier
ALL) (Quantifier -> Bool)
-> ((Quantifier, NamedSymVar) -> Quantifier)
-> (Quantifier, NamedSymVar)
-> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Quantifier, NamedSymVar) -> Quantifier
quantifier)

-- | Find prefix universals. Corresponds to the above in a proof context.
prefixUniversals :: UserInputs -> UserInputs
prefixUniversals :: UserInputs -> UserInputs
prefixUniversals = ((Quantifier, NamedSymVar) -> Bool) -> UserInputs -> UserInputs
userInpsPrefixBy ((Quantifier -> Quantifier -> Bool
forall a. Eq a => a -> a -> Bool
== Quantifier
ALL) (Quantifier -> Bool)
-> ((Quantifier, NamedSymVar) -> Quantifier)
-> (Quantifier, NamedSymVar)
-> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Quantifier, NamedSymVar) -> Quantifier
quantifier)

-- | Conversion from named-symvars to user-inputs
inputsFromListWith :: (NamedSymVar -> Quantifier) -> [NamedSymVar] -> UserInputs
inputsFromListWith :: (NamedSymVar -> Quantifier) -> [NamedSymVar] -> UserInputs
inputsFromListWith NamedSymVar -> Quantifier
f = [(Quantifier, NamedSymVar)] -> UserInputs
forall a. [a] -> Seq a
S.fromList ([(Quantifier, NamedSymVar)] -> UserInputs)
-> ([NamedSymVar] -> [(Quantifier, NamedSymVar)])
-> [NamedSymVar]
-> UserInputs
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (NamedSymVar -> (Quantifier, NamedSymVar))
-> [NamedSymVar] -> [(Quantifier, NamedSymVar)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap NamedSymVar -> (Quantifier, NamedSymVar)
go
  where go :: NamedSymVar -> (Quantifier, NamedSymVar)
go NamedSymVar
n = (NamedSymVar -> Quantifier
f NamedSymVar
n, NamedSymVar
n)

-- | Helper functions around inputs.
-- TODO: remove these functions once lists have been pushed to edges of code base.
userInputsToList :: UserInputs -> [(Quantifier, NamedSymVar)]
userInputsToList :: UserInputs -> [(Quantifier, NamedSymVar)]
userInputsToList = UserInputs -> [(Quantifier, NamedSymVar)]
forall (t :: * -> *) a. Foldable t => t a -> [a]
F.toList

-- | Conversion from internal-inputs to list of named sym vars
internInputsToList :: InternInps -> [NamedSymVar]
internInputsToList :: InternInps -> [NamedSymVar]
internInputsToList = InternInps -> [NamedSymVar]
forall (t :: * -> *) a. Foldable t => t a -> [a]
F.toList

-- | Convert to regular lists
inputsToList :: Inputs -> ([(Quantifier, NamedSymVar)], [NamedSymVar])
inputsToList :: Inputs -> ([(Quantifier, NamedSymVar)], [NamedSymVar])
inputsToList =  (UserInputs -> [(Quantifier, NamedSymVar)]
userInputsToList (UserInputs -> [(Quantifier, NamedSymVar)])
-> (InternInps -> [NamedSymVar])
-> (UserInputs, InternInps)
-> ([(Quantifier, NamedSymVar)], [NamedSymVar])
forall (a :: * -> * -> *) b c b' c'.
Arrow a =>
a b c -> a b' c' -> a (b, b') (c, c')
*** InternInps -> [NamedSymVar]
internInputsToList) ((UserInputs, InternInps)
 -> ([(Quantifier, NamedSymVar)], [NamedSymVar]))
-> (Inputs -> (UserInputs, InternInps))
-> Inputs
-> ([(Quantifier, NamedSymVar)], [NamedSymVar])
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Inputs -> (UserInputs, InternInps)
getInputs

-- | The state of the symbolic interpreter
data State  = State { State -> SVal
pathCond     :: SVal                             -- ^ kind KBool
                    , State -> UTCTime
startTime    :: UTCTime
                    , State -> IORef SBVRunMode
runMode      :: IORef SBVRunMode
                    , State -> IORef IncState
rIncState    :: IORef IncState
                    , State -> IORef [(String, CV)]
rCInfo       :: IORef [(String, CV)]
                    , State -> IORef (Seq (Name, CV -> Bool, SV))
rObservables :: IORef (S.Seq (Name, CV -> Bool, SV))
                    , State -> IORef Int
rctr         :: IORef Int
                    , State -> IORef (Set Kind)
rUsedKinds   :: IORef KindSet
                    , State -> IORef (Set String)
rUsedLbls    :: IORef (Set.Set String)
                    , State -> IORef Inputs
rinps        :: IORef Inputs
                    , State -> IORef (Seq (Bool, [(String, String)], SV))
rConstraints :: IORef (S.Seq (Bool, [(String, String)], SV))
                    , State -> IORef [SV]
routs        :: IORef [SV]
                    , State -> IORef TableMap
rtblMap      :: IORef TableMap
                    , State -> IORef SBVPgm
spgm         :: IORef SBVPgm
                    , State -> IORef CnstMap
rconstMap    :: IORef CnstMap
                    , State -> IORef ExprMap
rexprMap     :: IORef ExprMap
                    , State -> IORef ArrayMap
rArrayMap    :: IORef ArrayMap
                    , State -> IORef FArrayMap
rFArrayMap   :: IORef FArrayMap
                    , State -> IORef UIMap
rUIMap       :: IORef UIMap
                    , State -> IORef CgMap
rCgMap       :: IORef CgMap
                    , State -> IORef [(Bool, String, [String])]
raxioms      :: IORef [(Bool, String, [String])]
                    , State -> IORef [SMTOption]
rSMTOptions  :: IORef [SMTOption]
                    , State -> IORef [Objective (SV, SV)]
rOptGoals    :: IORef [Objective (SV, SV)]
                    , State -> IORef [(String, Maybe CallStack, SV)]
rAsserts     :: IORef [(String, Maybe CallStack, SV)]
                    , State -> IORef (Cache SV)
rSVCache     :: IORef (Cache SV)
                    , State -> IORef (Cache ArrayIndex)
rAICache     :: IORef (Cache ArrayIndex)
                    , State -> IORef (Maybe QueryState)
rQueryState  :: IORef (Maybe QueryState)
                    }

-- NFData is a bit of a lie, but it's sufficient, most of the content is iorefs that we don't want to touch
instance NFData State where
   rnf :: State -> ()
rnf State{} = ()

-- | Get the current path condition
getSValPathCondition :: State -> SVal
getSValPathCondition :: State -> SVal
getSValPathCondition = State -> SVal
pathCond

-- | Extend the path condition with the given test value.
extendSValPathCondition :: State -> (SVal -> SVal) -> State
extendSValPathCondition :: State -> (SVal -> SVal) -> State
extendSValPathCondition State
st SVal -> SVal
f = State
st{pathCond :: SVal
pathCond = SVal -> SVal
f (State -> SVal
pathCond State
st)}

-- | Are we running in proof mode?
inSMTMode :: State -> IO Bool
inSMTMode :: State -> IO Bool
inSMTMode State{IORef SBVRunMode
runMode :: IORef SBVRunMode
runMode :: State -> IORef SBVRunMode
runMode} = do SBVRunMode
rm <- IORef SBVRunMode -> IO SBVRunMode
forall a. IORef a -> IO a
readIORef IORef SBVRunMode
runMode
                              Bool -> IO Bool
forall (m :: * -> *) a. Monad m => a -> m a
return (Bool -> IO Bool) -> Bool -> IO Bool
forall a b. (a -> b) -> a -> b
$ case SBVRunMode
rm of
                                         SBVRunMode
CodeGen    -> Bool
False
                                         Concrete{} -> Bool
False
                                         SMTMode{}  -> Bool
True

-- | The "Symbolic" value. Either a constant (@Left@) or a symbolic
-- value (@Right Cached@). Note that caching is essential for making
-- sure sharing is preserved.
data SVal = SVal !Kind !(Either CV (Cached SV))

instance HasKind SVal where
  kindOf :: SVal -> Kind
kindOf (SVal Kind
k Either CV (Cached SV)
_) = Kind
k

-- Show instance for 'SVal'. Not particularly "desirable", but will do if needed
-- NB. We do not show the type info on constant KBool values, since there's no
-- implicit "fromBoolean" applied to Booleans in Haskell; and thus a statement
-- of the form "True :: SBool" is just meaningless. (There should be a fromBoolean!)
instance Show SVal where
  show :: SVal -> String
show (SVal Kind
KBool (Left CV
c))  = Bool -> CV -> String
showCV Bool
False CV
c
  show (SVal Kind
k     (Left CV
c))  = Bool -> CV -> String
showCV Bool
False CV
c String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k
  show (SVal Kind
k     (Right Cached SV
_)) =         String
"<symbolic> :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k

-- | This instance is only defined so that we can define an instance for
-- 'Data.Bits.Bits'. '==' and '/=' simply throw an error.
-- We really don't want an 'Eq' instance for 'Data.SBV.Core.SBV' or 'SVal'. As it really makes no sense.
-- But since we do want the 'Data.Bits.Bits' instance, we're forced to define equality. See
-- <http://github.com/LeventErkok/sbv/issues/301>. We simply error out.
instance Eq SVal where
  SVal
a == :: SVal -> SVal -> Bool
== SVal
b = String -> String -> (String, String) -> Bool
forall a. String -> String -> (String, String) -> a
noEquals String
"==" String
".==" (SVal -> String
forall a. Show a => a -> String
show SVal
a, SVal -> String
forall a. Show a => a -> String
show SVal
b)
  SVal
a /= :: SVal -> SVal -> Bool
/= SVal
b = String -> String -> (String, String) -> Bool
forall a. String -> String -> (String, String) -> a
noEquals String
"/=" String
"./=" (SVal -> String
forall a. Show a => a -> String
show SVal
a, SVal -> String
forall a. Show a => a -> String
show SVal
b)

-- Bail out nicely.
noEquals :: String -> String -> (String, String) -> a
noEquals :: String -> String -> (String, String) -> a
noEquals String
o String
n (String
l, String
r) = String -> a
forall a. HasCallStack => String -> a
error (String -> a) -> String -> a
forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines [ String
""
                                      , String
"*** Data.SBV: Comparing symbolic values using Haskell's Eq class!"
                                      , String
"***"
                                      , String
"*** Received:    " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
l String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"  " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
o String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
r
                                      , String
"*** Instead use: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
l String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" "  String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
n String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
r
                                      , String
"***"
                                      , String
"*** The Eq instance for symbolic values are necessiated only because"
                                      , String
"*** of the Bits class requirement. You must use symbolic equality"
                                      , String
"*** operators instead. (And complain to Haskell folks that they"
                                      , String
"*** remove the 'Eq' superclass from 'Bits'!.)"
                                      ]

-- | Things we do not support in interactive mode, at least for now!
noInteractive :: [String] -> a
noInteractive :: [String] -> a
noInteractive [String]
ss = String -> a
forall a. HasCallStack => String -> a
error (String -> a) -> String -> a
forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines ([String] -> String) -> [String] -> String
forall a b. (a -> b) -> a -> b
$  String
""
                                   String -> [String] -> [String]
forall a. a -> [a] -> [a]
:  String
"*** Data.SBV: Unsupported interactive/query mode feature."
                                   String -> [String] -> [String]
forall a. a -> [a] -> [a]
:  ShowS -> [String] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (String
"***  " String -> ShowS
forall a. [a] -> [a] -> [a]
++) [String]
ss
                                   [String] -> [String] -> [String]
forall a. [a] -> [a] -> [a]
++ [String
"*** Data.SBV: Please report this as a feature request!"]

-- | Things we do not support in interactive mode, nor we ever intend to
noInteractiveEver :: [String] -> a
noInteractiveEver :: [String] -> a
noInteractiveEver [String]
ss = String -> a
forall a. HasCallStack => String -> a
error (String -> a) -> String -> a
forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines ([String] -> String) -> [String] -> String
forall a b. (a -> b) -> a -> b
$  String
""
                                       String -> [String] -> [String]
forall a. a -> [a] -> [a]
:  String
"*** Data.SBV: Unsupported interactive/query mode feature."
                                       String -> [String] -> [String]
forall a. a -> [a] -> [a]
:  ShowS -> [String] -> [String]
forall a b. (a -> b) -> [a] -> [b]
map (String
"***  " String -> ShowS
forall a. [a] -> [a] -> [a]
++) [String]
ss

-- | Modification of the state, but carefully handling the interactive tasks.
-- Note that the state is always updated regardless of the mode, but we get
-- to also perform extra operation in interactive mode. (Typically error out, but also simply
-- ignore if it has no impact.)
modifyState :: State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState :: State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState st :: State
st@State{IORef SBVRunMode
runMode :: IORef SBVRunMode
runMode :: State -> IORef SBVRunMode
runMode} State -> IORef a
field a -> a
update IO ()
interactiveUpdate = do
        IORef a -> (a -> a) -> IO ()
forall a. IORef a -> (a -> a) -> IO ()
R.modifyIORef' (State -> IORef a
field State
st) a -> a
update
        SBVRunMode
rm <- IORef SBVRunMode -> IO SBVRunMode
forall a. IORef a -> IO a
readIORef IORef SBVRunMode
runMode
        case SBVRunMode
rm of
          SMTMode QueryContext
_ IStage
IRun Bool
_ SMTConfig
_ -> IO ()
interactiveUpdate
          SBVRunMode
_                  -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()

-- | Modify the incremental state
modifyIncState  :: State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState :: State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State{IORef IncState
rIncState :: IORef IncState
rIncState :: State -> IORef IncState
rIncState} IncState -> IORef a
field a -> a
update = do
        IncState
incState <- IORef IncState -> IO IncState
forall a. IORef a -> IO a
readIORef IORef IncState
rIncState
        IORef a -> (a -> a) -> IO ()
forall a. IORef a -> (a -> a) -> IO ()
R.modifyIORef' (IncState -> IORef a
field IncState
incState) a -> a
update

-- | Add an observable
-- notice that we cons like a list, we should build at the end of the seq, but cons to preserve semantics for now
recordObservable :: State -> String -> (CV -> Bool) -> SV -> IO ()
recordObservable :: State -> String -> (CV -> Bool) -> SV -> IO ()
recordObservable State
st (String -> Name
T.pack -> Name
nm) CV -> Bool
chk SV
sv = State
-> (State -> IORef (Seq (Name, CV -> Bool, SV)))
-> (Seq (Name, CV -> Bool, SV) -> Seq (Name, CV -> Bool, SV))
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef (Seq (Name, CV -> Bool, SV))
rObservables ((Name
nm, CV -> Bool
chk, SV
sv) (Name, CV -> Bool, SV)
-> Seq (Name, CV -> Bool, SV) -> Seq (Name, CV -> Bool, SV)
forall a. a -> Seq a -> Seq a
S.<|) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())

-- | Increment the variable counter
incrementInternalCounter :: State -> IO Int
incrementInternalCounter :: State -> IO Int
incrementInternalCounter State
st = do Int
ctr <- IORef Int -> IO Int
forall a. IORef a -> IO a
readIORef (State -> IORef Int
rctr State
st)
                                 State -> (State -> IORef Int) -> (Int -> Int) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef Int
rctr (Int -> Int -> Int
forall a. Num a => a -> a -> a
+Int
1) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())
                                 Int -> IO Int
forall (m :: * -> *) a. Monad m => a -> m a
return Int
ctr

-- | Uninterpreted constants and functions. An uninterpreted constant is
-- a value that is indexed by its name. The only property the prover assumes
-- about these values are that they are equivalent to themselves; i.e., (for
-- functions) they return the same results when applied to same arguments.
-- We support uninterpreted-functions as a general means of black-box'ing
-- operations that are /irrelevant/ for the purposes of the proof; i.e., when
-- the proofs can be performed without any knowledge about the function itself.
svUninterpreted :: Kind -> String -> Maybe [String] -> [SVal] -> SVal
svUninterpreted :: Kind -> String -> Maybe [String] -> [SVal] -> SVal
svUninterpreted Kind
k String
nm Maybe [String]
code [SVal]
args = Kind -> Either CV (Cached SV) -> SVal
SVal Kind
k (Either CV (Cached SV) -> SVal) -> Either CV (Cached SV) -> SVal
forall a b. (a -> b) -> a -> b
$ Cached SV -> Either CV (Cached SV)
forall a b. b -> Either a b
Right (Cached SV -> Either CV (Cached SV))
-> Cached SV -> Either CV (Cached SV)
forall a b. (a -> b) -> a -> b
$ (State -> IO SV) -> Cached SV
forall a. (State -> IO a) -> Cached a
cache State -> IO SV
result
  where result :: State -> IO SV
result State
st = do let ty :: SBVType
ty = [Kind] -> SBVType
SBVType ((SVal -> Kind) -> [SVal] -> [Kind]
forall a b. (a -> b) -> [a] -> [b]
map SVal -> Kind
forall a. HasKind a => a -> Kind
kindOf [SVal]
args [Kind] -> [Kind] -> [Kind]
forall a. [a] -> [a] -> [a]
++ [Kind
k])
                       State -> String -> SBVType -> Maybe [String] -> IO ()
newUninterpreted State
st String
nm SBVType
ty Maybe [String]
code
                       [SV]
sws <- (SVal -> IO SV) -> [SVal] -> IO [SV]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (State -> SVal -> IO SV
svToSV State
st) [SVal]
args
                       (SV -> IO ()) -> [SV] -> IO ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ SV -> IO ()
forceSVArg [SV]
sws
                       State -> Kind -> SBVExpr -> IO SV
newExpr State
st Kind
k (SBVExpr -> IO SV) -> SBVExpr -> IO SV
forall a b. (a -> b) -> a -> b
$ Op -> [SV] -> SBVExpr
SBVApp (String -> Op
Uninterpreted String
nm) [SV]
sws

-- | Create a new uninterpreted symbol, possibly with user given code
newUninterpreted :: State -> String -> SBVType -> Maybe [String] -> IO ()
newUninterpreted :: State -> String -> SBVType -> Maybe [String] -> IO ()
newUninterpreted State
st String
nm SBVType
t Maybe [String]
mbCode
  | String -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
nm Bool -> Bool -> Bool
|| Bool -> Bool
not Bool
enclosed Bool -> Bool -> Bool
&& (Bool -> Bool
not (Char -> Bool
isAlpha (String -> Char
forall a. [a] -> a
head String
nm)) Bool -> Bool -> Bool
|| Bool -> Bool
not ((Char -> Bool) -> String -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all Char -> Bool
validChar (ShowS
forall a. [a] -> [a]
tail String
nm)))
  = String -> IO ()
forall a. HasCallStack => String -> a
error (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"Bad uninterpreted constant name: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
forall a. Show a => a -> String
show String
nm String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
". Must be a valid identifier."
  | Bool
True = do UIMap
uiMap <- IORef UIMap -> IO UIMap
forall a. IORef a -> IO a
readIORef (State -> IORef UIMap
rUIMap State
st)
              case String
nm String -> UIMap -> Maybe SBVType
forall k a. Ord k => k -> Map k a -> Maybe a
`Map.lookup` UIMap
uiMap of
                Just SBVType
t' -> SBVType -> IO () -> IO ()
forall r. SBVType -> r -> r
checkType SBVType
t' (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())
                Maybe SBVType
Nothing -> do State
-> (State -> IORef UIMap) -> (UIMap -> UIMap) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef UIMap
rUIMap (String -> SBVType -> UIMap -> UIMap
forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert String
nm SBVType
t)
                                        (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State -> (IncState -> IORef UIMap) -> (UIMap -> UIMap) -> IO ()
forall a. State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State
st IncState -> IORef UIMap
rNewUIs (\UIMap
newUIs -> case String
nm String -> UIMap -> Maybe SBVType
forall k a. Ord k => k -> Map k a -> Maybe a
`Map.lookup` UIMap
newUIs of
                                                                                  Just SBVType
t' -> SBVType -> UIMap -> UIMap
forall r. SBVType -> r -> r
checkType SBVType
t' UIMap
newUIs
                                                                                  Maybe SBVType
Nothing -> String -> SBVType -> UIMap -> UIMap
forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert String
nm SBVType
t UIMap
newUIs)

                              -- No need to record the code in interactive mode: CodeGen doesn't use interactive
                              Bool -> IO () -> IO ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Maybe [String] -> Bool
forall a. Maybe a -> Bool
isJust Maybe [String]
mbCode) (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State
-> (State -> IORef CgMap) -> (CgMap -> CgMap) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef CgMap
rCgMap (String -> [String] -> CgMap -> CgMap
forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert String
nm (Maybe [String] -> [String]
forall a. HasCallStack => Maybe a -> a
fromJust Maybe [String]
mbCode)) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())
  where checkType :: SBVType -> r -> r
        checkType :: SBVType -> r -> r
checkType SBVType
t' r
cont
          | SBVType
t SBVType -> SBVType -> Bool
forall a. Eq a => a -> a -> Bool
/= SBVType
t' = String -> r
forall a. HasCallStack => String -> a
error (String -> r) -> String -> r
forall a b. (a -> b) -> a -> b
$  String
"Uninterpreted constant " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
forall a. Show a => a -> String
show String
nm String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" used at incompatible types\n"
                            String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"      Current type      : " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SBVType -> String
forall a. Show a => a -> String
show SBVType
t String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"\n"
                            String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"      Previously used at: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SBVType -> String
forall a. Show a => a -> String
show SBVType
t'
          | Bool
True    = r
cont

        validChar :: Char -> Bool
validChar Char
x = Char -> Bool
isAlphaNum Char
x Bool -> Bool -> Bool
|| Char
x Char -> String -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` (String
"_" :: String)
        enclosed :: Bool
enclosed    = String -> Char
forall a. [a] -> a
head String
nm Char -> Char -> Bool
forall a. Eq a => a -> a -> Bool
== Char
'|' Bool -> Bool -> Bool
&& String -> Char
forall a. [a] -> a
last String
nm Char -> Char -> Bool
forall a. Eq a => a -> a -> Bool
== Char
'|' Bool -> Bool -> Bool
&& String -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length String
nm Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
> Int
2 Bool -> Bool -> Bool
&& Bool -> Bool
not ((Char -> Bool) -> String -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (Char -> String -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` (String
"|\\" :: String)) (ShowS
forall a. [a] -> [a]
tail (ShowS
forall a. [a] -> [a]
init String
nm)))

-- | Add a new sAssert based constraint
addAssertion :: State -> Maybe CallStack -> String -> SV -> IO ()
addAssertion :: State -> Maybe CallStack -> String -> SV -> IO ()
addAssertion State
st Maybe CallStack
cs String
msg SV
cond = State
-> (State -> IORef [(String, Maybe CallStack, SV)])
-> ([(String, Maybe CallStack, SV)]
    -> [(String, Maybe CallStack, SV)])
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef [(String, Maybe CallStack, SV)]
rAsserts ((String
msg, Maybe CallStack
cs, SV
cond)(String, Maybe CallStack, SV)
-> [(String, Maybe CallStack, SV)]
-> [(String, Maybe CallStack, SV)]
forall a. a -> [a] -> [a]
:)
                                        (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ [String] -> IO ()
forall a. [String] -> a
noInteractive [ String
"Named assertions (sAssert):"
                                                        , String
"  Tag: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
msg
                                                        , String
"  Loc: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String -> (CallStack -> String) -> Maybe CallStack -> String
forall b a. b -> (a -> b) -> Maybe a -> b
maybe String
"Unknown" CallStack -> String
forall a. Show a => a -> String
show Maybe CallStack
cs
                                                        ]

-- | Create an internal variable, which acts as an input but isn't visible to the user.
-- Such variables are existentially quantified in a SAT context, and universally quantified
-- in a proof context.
internalVariable :: State -> Kind -> IO SV
internalVariable :: State -> Kind -> IO SV
internalVariable State
st Kind
k = do (NamedSymVar SV
sv Name
nm) <- State -> Kind -> IO NamedSymVar
newSV State
st Kind
k
                           SBVRunMode
rm <- IORef SBVRunMode -> IO SBVRunMode
forall a. IORef a -> IO a
readIORef (State -> IORef SBVRunMode
runMode State
st)
                           let q :: Quantifier
q = case SBVRunMode
rm of
                                     SMTMode  QueryContext
_ IStage
_ Bool
True  SMTConfig
_ -> Quantifier
EX
                                     SMTMode  QueryContext
_ IStage
_ Bool
False SMTConfig
_ -> Quantifier
ALL
                                     SBVRunMode
CodeGen              -> Quantifier
ALL
                                     Concrete{}           -> Quantifier
ALL
                               n :: Name
n = Name
"__internal_sbv_" Name -> Name -> Name
forall a. Semigroup a => a -> a -> a
<> Name
nm
                               v :: NamedSymVar
v = SV -> Name -> NamedSymVar
NamedSymVar SV
sv Name
n
                           State
-> (State -> IORef Inputs) -> (Inputs -> Inputs) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef Inputs
rinps (Quantifier -> SV -> Name -> Inputs -> Inputs
addUserInput Quantifier
q SV
sv Name
n)
                                     (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State
-> (IncState -> IORef [NamedSymVar])
-> ([NamedSymVar] -> [NamedSymVar])
-> IO ()
forall a. State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State
st IncState -> IORef [NamedSymVar]
rNewInps (\[NamedSymVar]
newInps -> case Quantifier
q of
                                                                                 Quantifier
EX -> NamedSymVar
v NamedSymVar -> [NamedSymVar] -> [NamedSymVar]
forall a. a -> [a] -> [a]
: [NamedSymVar]
newInps
                                                                                 -- I don't think the following can actually happen
                                                                                 -- but just be safe:
                                                                                 Quantifier
ALL  -> [String] -> [NamedSymVar]
forall a. [String] -> a
noInteractive [ String
"Internal universally quantified variable creation:"
                                                                                                       , String
"  Named: " String -> ShowS
forall a. Semigroup a => a -> a -> a
<> Name -> String
T.unpack Name
nm
                                                                                                       ])
                           SV -> IO SV
forall (m :: * -> *) a. Monad m => a -> m a
return SV
sv
{-# INLINE internalVariable #-}

-- | Create a new SV
newSV :: State -> Kind -> IO NamedSymVar
newSV :: State -> Kind -> IO NamedSymVar
newSV State
st Kind
k = do Int
ctr <- State -> IO Int
incrementInternalCounter State
st
                let sv :: SV
sv = Kind -> NodeId -> SV
SV Kind
k (Int -> NodeId
NodeId Int
ctr)
                State -> Kind -> IO ()
registerKind State
st Kind
k
                NamedSymVar -> IO NamedSymVar
forall (m :: * -> *) a. Monad m => a -> m a
return (NamedSymVar -> IO NamedSymVar) -> NamedSymVar -> IO NamedSymVar
forall a b. (a -> b) -> a -> b
$ SV -> Name -> NamedSymVar
NamedSymVar SV
sv (Name -> NamedSymVar) -> Name -> NamedSymVar
forall a b. (a -> b) -> a -> b
$ Char
's' Char -> Name -> Name
`T.cons` String -> Name
T.pack (Int -> String
forall a. Show a => a -> String
show Int
ctr)
{-# INLINE newSV #-}

-- | Register a new kind with the system, used for uninterpreted sorts.
-- NB: Is it safe to have new kinds in query mode? It could be that
-- the new kind might introduce a constraint that effects the logic. For
-- instance, if we're seeing 'Double' for the first time and using a BV
-- logic, then things would fall apart. But this should be rare, and hopefully
-- the success-response checking mechanism will catch the rare cases where this
-- is an issue. In either case, the user can always arrange for the right
-- logic by calling 'Data.SBV.setLogic' appropriately, so it seems safe to just
-- allow for this.
registerKind :: State -> Kind -> IO ()
registerKind :: State -> Kind -> IO ()
registerKind State
st Kind
k
  | KUserSort String
sortName Maybe [String]
_ <- Kind
k, (Char -> Char) -> ShowS
forall a b. (a -> b) -> [a] -> [b]
map Char -> Char
toLower String
sortName String -> [String] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
smtLibReservedNames
  = String -> IO ()
forall a. HasCallStack => String -> a
error (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"SBV: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
forall a. Show a => a -> String
show String
sortName String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" is a reserved sort; please use a different name."
  | Bool
True
  = do -- Adding a kind to the incState is tricky; we only need to add it
       --     *    If it's an uninterpreted sort that's not already in the general state
       --     * OR If it's a tuple-sort whose cardinality isn't already in the general state
       --     * OR If it's a list that's not already in the general state (so we can send the flatten commands)

       Set Kind
existingKinds <- IORef (Set Kind) -> IO (Set Kind)
forall a. IORef a -> IO a
readIORef (State -> IORef (Set Kind)
rUsedKinds State
st)

       State
-> (State -> IORef (Set Kind))
-> (Set Kind -> Set Kind)
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef (Set Kind)
rUsedKinds (Kind -> Set Kind -> Set Kind
forall a. Ord a => a -> Set a -> Set a
Set.insert Kind
k) (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ do

                          -- Why do we discriminate here? Because the incremental context is sensitive to the
                          -- order: In particular, if an uninterpreted kind is already in there, we don't
                          -- want to re-add because double-declaration would be wrong. See 'cvtInc' for details.
                          let needsAdding :: Bool
needsAdding = case Kind
k of
                                              KUserSort{} -> Kind
k Kind -> Set Kind -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` Set Kind
existingKinds
                                              KList{}     -> Kind
k Kind -> Set Kind -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` Set Kind
existingKinds
                                              KTuple [Kind]
nks  -> [Kind] -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length [Kind]
nks Int -> [Int] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` [[Kind] -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length [Kind]
oks | KTuple [Kind]
oks <- Set Kind -> [Kind]
forall a. Set a -> [a]
Set.toList Set Kind
existingKinds]
                                              KMaybe{}    -> Kind
k Kind -> Set Kind -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` Set Kind
existingKinds
                                              KEither{}   -> Kind
k Kind -> Set Kind -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` Set Kind
existingKinds
                                              Kind
_           -> Bool
False

                          Bool -> IO () -> IO ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when Bool
needsAdding (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State
-> (IncState -> IORef (Set Kind))
-> (Set Kind -> Set Kind)
-> IO ()
forall a. State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State
st IncState -> IORef (Set Kind)
rNewKinds (Kind -> Set Kind -> Set Kind
forall a. Ord a => a -> Set a -> Set a
Set.insert Kind
k)

       -- Don't forget to register subkinds!
       case Kind
k of
         KBool     {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KBounded  {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KUnbounded{}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KReal     {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KUserSort {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KFloat    {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KDouble   {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KFP       {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KRational {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KChar     {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KString   {}    -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
         KList     Kind
ek    -> State -> Kind -> IO ()
registerKind State
st Kind
ek
         KSet      Kind
ek    -> State -> Kind -> IO ()
registerKind State
st Kind
ek
         KTuple    [Kind]
eks   -> (Kind -> IO ()) -> [Kind] -> IO ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ (State -> Kind -> IO ()
registerKind State
st) [Kind]
eks
         KMaybe    Kind
ke    -> State -> Kind -> IO ()
registerKind State
st Kind
ke
         KEither   Kind
k1 Kind
k2 -> (Kind -> IO ()) -> [Kind] -> IO ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ (State -> Kind -> IO ()
registerKind State
st) [Kind
k1, Kind
k2]

-- | Register a new label with the system, making sure they are unique and have no '|'s in them
registerLabel :: String -> State -> String -> IO ()
registerLabel :: String -> State -> String -> IO ()
registerLabel String
whence State
st String
nm
  | (Char -> Char) -> ShowS
forall a b. (a -> b) -> [a] -> [b]
map Char -> Char
toLower String
nm String -> [String] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
smtLibReservedNames
  = String -> IO ()
err String
"is a reserved string; please use a different name."
  | Char
'|' Char -> String -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` String
nm
  = String -> IO ()
err String
"contains the character `|', which is not allowed!"
  | Char
'\\' Char -> String -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` String
nm
  = String -> IO ()
err String
"contains the character `\\', which is not allowed!"
  | Bool
True
  = do Set String
old <- IORef (Set String) -> IO (Set String)
forall a. IORef a -> IO a
readIORef (IORef (Set String) -> IO (Set String))
-> IORef (Set String) -> IO (Set String)
forall a b. (a -> b) -> a -> b
$ State -> IORef (Set String)
rUsedLbls State
st
       if String
nm String -> Set String -> Bool
forall a. Ord a => a -> Set a -> Bool
`Set.member` Set String
old
          then String -> IO ()
err String
"is used multiple times. Please do not use duplicate names!"
          else State
-> (State -> IORef (Set String))
-> (Set String -> Set String)
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef (Set String)
rUsedLbls (String -> Set String -> Set String
forall a. Ord a => a -> Set a -> Set a
Set.insert String
nm) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())

  where err :: String -> IO ()
err String
w = String -> IO ()
forall a. HasCallStack => String -> a
error (String -> IO ()) -> String -> IO ()
forall a b. (a -> b) -> a -> b
$ String
"SBV (" String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
whence String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"): " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
forall a. Show a => a -> String
show String
nm String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
w

-- | Create a new constant; hash-cons as necessary
newConst :: State -> CV -> IO SV
newConst :: State -> CV -> IO SV
newConst State
st CV
c = do
  CnstMap
constMap <- IORef CnstMap -> IO CnstMap
forall a. IORef a -> IO a
readIORef (State -> IORef CnstMap
rconstMap State
st)
  case CV
c CV -> CnstMap -> Maybe SV
forall k a. Ord k => k -> Map k a -> Maybe a
`Map.lookup` CnstMap
constMap of
    -- NB. Unlike in 'newExpr', we don't have to make sure the returned sv
    -- has the kind we asked for, because the constMap stores the full CV
    -- which already has a kind field in it.
    Just SV
sv -> SV -> IO SV
forall (m :: * -> *) a. Monad m => a -> m a
return SV
sv
    Maybe SV
Nothing -> do (NamedSymVar SV
sv Name
_) <- State -> Kind -> IO NamedSymVar
newSV State
st (CV -> Kind
forall a. HasKind a => a -> Kind
kindOf CV
c)
                  let ins :: CnstMap -> CnstMap
ins = CV -> SV -> CnstMap -> CnstMap
forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert CV
c SV
sv
                  State
-> (State -> IORef CnstMap)
-> (CnstMap -> CnstMap)
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef CnstMap
rconstMap CnstMap -> CnstMap
ins (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State
-> (IncState -> IORef CnstMap) -> (CnstMap -> CnstMap) -> IO ()
forall a. State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State
st IncState -> IORef CnstMap
rNewConsts CnstMap -> CnstMap
ins
                  SV -> IO SV
forall (m :: * -> *) a. Monad m => a -> m a
return SV
sv
{-# INLINE newConst #-}

-- | Create a new table; hash-cons as necessary
getTableIndex :: State -> Kind -> Kind -> [SV] -> IO Int
getTableIndex :: State -> Kind -> Kind -> [SV] -> IO Int
getTableIndex State
st Kind
at Kind
rt [SV]
elts = do
  let key :: (Kind, Kind, [SV])
key = (Kind
at, Kind
rt, [SV]
elts)
  TableMap
tblMap <- IORef TableMap -> IO TableMap
forall a. IORef a -> IO a
readIORef (State -> IORef TableMap
rtblMap State
st)
  case (Kind, Kind, [SV])
key (Kind, Kind, [SV]) -> TableMap -> Maybe Int
forall k a. Ord k => k -> Map k a -> Maybe a
`Map.lookup` TableMap
tblMap of
    Just Int
i -> Int -> IO Int
forall (m :: * -> *) a. Monad m => a -> m a
return Int
i
    Maybe Int
_      -> do let i :: Int
i   = TableMap -> Int
forall k a. Map k a -> Int
Map.size TableMap
tblMap
                     upd :: TableMap -> TableMap
upd = (Kind, Kind, [SV]) -> Int -> TableMap -> TableMap
forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert (Kind, Kind, [SV])
key Int
i
                 State
-> (State -> IORef TableMap)
-> (TableMap -> TableMap)
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef TableMap
rtblMap TableMap -> TableMap
upd (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State
-> (IncState -> IORef TableMap) -> (TableMap -> TableMap) -> IO ()
forall a. State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State
st IncState -> IORef TableMap
rNewTbls TableMap -> TableMap
upd
                 Int -> IO Int
forall (m :: * -> *) a. Monad m => a -> m a
return Int
i

-- | Create a new expression; hash-cons as necessary
newExpr :: State -> Kind -> SBVExpr -> IO SV
newExpr :: State -> Kind -> SBVExpr -> IO SV
newExpr State
st Kind
k SBVExpr
app = do
   let e :: SBVExpr
e = SBVExpr -> SBVExpr
reorder SBVExpr
app
   ExprMap
exprMap <- IORef ExprMap -> IO ExprMap
forall a. IORef a -> IO a
readIORef (State -> IORef ExprMap
rexprMap State
st)
   case SBVExpr
e SBVExpr -> ExprMap -> Maybe SV
forall k a. Ord k => k -> Map k a -> Maybe a
`Map.lookup` ExprMap
exprMap of
     -- NB. Check to make sure that the kind of the hash-consed value
     -- is the same kind as we're requesting. This might look unnecessary,
     -- at first, but `svSign` and `svUnsign` rely on this as we can
     -- get the same expression but at a different type. See
     -- <http://github.com/GaloisInc/cryptol/issues/566> as an example.
     Just SV
sv | SV -> Kind
forall a. HasKind a => a -> Kind
kindOf SV
sv Kind -> Kind -> Bool
forall a. Eq a => a -> a -> Bool
== Kind
k -> SV -> IO SV
forall (m :: * -> *) a. Monad m => a -> m a
return SV
sv
     Maybe SV
_                        -> do (NamedSymVar SV
sv Name
_) <- State -> Kind -> IO NamedSymVar
newSV State
st Kind
k
                                    let append :: SBVPgm -> SBVPgm
append (SBVPgm Seq (SV, SBVExpr)
xs) = Seq (SV, SBVExpr) -> SBVPgm
SBVPgm (Seq (SV, SBVExpr)
xs Seq (SV, SBVExpr) -> (SV, SBVExpr) -> Seq (SV, SBVExpr)
forall a. Seq a -> a -> Seq a
S.|> (SV
sv, SBVExpr
e))
                                    State
-> (State -> IORef SBVPgm) -> (SBVPgm -> SBVPgm) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef SBVPgm
spgm SBVPgm -> SBVPgm
append (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State -> (IncState -> IORef SBVPgm) -> (SBVPgm -> SBVPgm) -> IO ()
forall a. State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State
st IncState -> IORef SBVPgm
rNewAsgns SBVPgm -> SBVPgm
append
                                    State
-> (State -> IORef ExprMap)
-> (ExprMap -> ExprMap)
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef ExprMap
rexprMap (SBVExpr -> SV -> ExprMap -> ExprMap
forall k a. Ord k => k -> a -> Map k a -> Map k a
Map.insert SBVExpr
e SV
sv) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())
                                    SV -> IO SV
forall (m :: * -> *) a. Monad m => a -> m a
return SV
sv
{-# INLINE newExpr #-}

-- | Convert a symbolic value to an internal SV
svToSV :: State -> SVal -> IO SV
svToSV :: State -> SVal -> IO SV
svToSV State
st (SVal Kind
_ (Left CV
c))  = State -> CV -> IO SV
newConst State
st CV
c
svToSV State
st (SVal Kind
_ (Right Cached SV
f)) = Cached SV -> State -> IO SV
uncache Cached SV
f State
st

-- | Generalization of 'Data.SBV.svToSymSV'
svToSymSV :: MonadSymbolic m => SVal -> m SV
svToSymSV :: SVal -> m SV
svToSymSV SVal
sbv = do State
st <- m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv
                   IO SV -> m SV
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SV -> m SV) -> IO SV -> m SV
forall a b. (a -> b) -> a -> b
$ State -> SVal -> IO SV
svToSV State
st SVal
sbv

-------------------------------------------------------------------------
-- * Symbolic Computations
-------------------------------------------------------------------------
-- | A Symbolic computation. Represented by a reader monad carrying the
-- state of the computation, layered on top of IO for creating unique
-- references to hold onto intermediate results.

-- | Computations which support symbolic operations
class MonadIO m => MonadSymbolic m where
  symbolicEnv :: m State

  default symbolicEnv :: (MonadTrans t, MonadSymbolic m', m ~ t m') => m State
  symbolicEnv = m' State -> t m' State
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m' State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv

instance MonadSymbolic m             => MonadSymbolic (ExceptT e m)
instance MonadSymbolic m             => MonadSymbolic (MaybeT m)
instance MonadSymbolic m             => MonadSymbolic (ReaderT r m)
instance MonadSymbolic m             => MonadSymbolic (SS.StateT s m)
instance MonadSymbolic m             => MonadSymbolic (LS.StateT s m)
instance (MonadSymbolic m, Monoid w) => MonadSymbolic (SW.WriterT w m)
instance (MonadSymbolic m, Monoid w) => MonadSymbolic (LW.WriterT w m)

-- | A generalization of 'Data.SBV.Symbolic'.
newtype SymbolicT m a = SymbolicT { SymbolicT m a -> ReaderT State m a
runSymbolicT :: ReaderT State m a }
                   deriving ( Functor (SymbolicT m)
a -> SymbolicT m a
Functor (SymbolicT m)
-> (forall a. a -> SymbolicT m a)
-> (forall a b.
    SymbolicT m (a -> b) -> SymbolicT m a -> SymbolicT m b)
-> (forall a b c.
    (a -> b -> c) -> SymbolicT m a -> SymbolicT m b -> SymbolicT m c)
-> (forall a b. SymbolicT m a -> SymbolicT m b -> SymbolicT m b)
-> (forall a b. SymbolicT m a -> SymbolicT m b -> SymbolicT m a)
-> Applicative (SymbolicT m)
SymbolicT m a -> SymbolicT m b -> SymbolicT m b
SymbolicT m a -> SymbolicT m b -> SymbolicT m a
SymbolicT m (a -> b) -> SymbolicT m a -> SymbolicT m b
(a -> b -> c) -> SymbolicT m a -> SymbolicT m b -> SymbolicT m c
forall a. a -> SymbolicT m a
forall a b. SymbolicT m a -> SymbolicT m b -> SymbolicT m a
forall a b. SymbolicT m a -> SymbolicT m b -> SymbolicT m b
forall a b. SymbolicT m (a -> b) -> SymbolicT m a -> SymbolicT m b
forall a b c.
(a -> b -> c) -> SymbolicT m a -> SymbolicT m b -> SymbolicT m c
forall (f :: * -> *).
Functor f
-> (forall a. a -> f a)
-> (forall a b. f (a -> b) -> f a -> f b)
-> (forall a b c. (a -> b -> c) -> f a -> f b -> f c)
-> (forall a b. f a -> f b -> f b)
-> (forall a b. f a -> f b -> f a)
-> Applicative f
forall (m :: * -> *). Applicative m => Functor (SymbolicT m)
forall (m :: * -> *) a. Applicative m => a -> SymbolicT m a
forall (m :: * -> *) a b.
Applicative m =>
SymbolicT m a -> SymbolicT m b -> SymbolicT m a
forall (m :: * -> *) a b.
Applicative m =>
SymbolicT m a -> SymbolicT m b -> SymbolicT m b
forall (m :: * -> *) a b.
Applicative m =>
SymbolicT m (a -> b) -> SymbolicT m a -> SymbolicT m b
forall (m :: * -> *) a b c.
Applicative m =>
(a -> b -> c) -> SymbolicT m a -> SymbolicT m b -> SymbolicT m c
<* :: SymbolicT m a -> SymbolicT m b -> SymbolicT m a
$c<* :: forall (m :: * -> *) a b.
Applicative m =>
SymbolicT m a -> SymbolicT m b -> SymbolicT m a
*> :: SymbolicT m a -> SymbolicT m b -> SymbolicT m b
$c*> :: forall (m :: * -> *) a b.
Applicative m =>
SymbolicT m a -> SymbolicT m b -> SymbolicT m b
liftA2 :: (a -> b -> c) -> SymbolicT m a -> SymbolicT m b -> SymbolicT m c
$cliftA2 :: forall (m :: * -> *) a b c.
Applicative m =>
(a -> b -> c) -> SymbolicT m a -> SymbolicT m b -> SymbolicT m c
<*> :: SymbolicT m (a -> b) -> SymbolicT m a -> SymbolicT m b
$c<*> :: forall (m :: * -> *) a b.
Applicative m =>
SymbolicT m (a -> b) -> SymbolicT m a -> SymbolicT m b
pure :: a -> SymbolicT m a
$cpure :: forall (m :: * -> *) a. Applicative m => a -> SymbolicT m a
$cp1Applicative :: forall (m :: * -> *). Applicative m => Functor (SymbolicT m)
Applicative, a -> SymbolicT m b -> SymbolicT m a
(a -> b) -> SymbolicT m a -> SymbolicT m b
(forall a b. (a -> b) -> SymbolicT m a -> SymbolicT m b)
-> (forall a b. a -> SymbolicT m b -> SymbolicT m a)
-> Functor (SymbolicT m)
forall a b. a -> SymbolicT m b -> SymbolicT m a
forall a b. (a -> b) -> SymbolicT m a -> SymbolicT m b
forall (m :: * -> *) a b.
Functor m =>
a -> SymbolicT m b -> SymbolicT m a
forall (m :: * -> *) a b.
Functor m =>
(a -> b) -> SymbolicT m a -> SymbolicT m b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
<$ :: a -> SymbolicT m b -> SymbolicT m a
$c<$ :: forall (m :: * -> *) a b.
Functor m =>
a -> SymbolicT m b -> SymbolicT m a
fmap :: (a -> b) -> SymbolicT m a -> SymbolicT m b
$cfmap :: forall (m :: * -> *) a b.
Functor m =>
(a -> b) -> SymbolicT m a -> SymbolicT m b
Functor, Applicative (SymbolicT m)
a -> SymbolicT m a
Applicative (SymbolicT m)
-> (forall a b.
    SymbolicT m a -> (a -> SymbolicT m b) -> SymbolicT m b)
-> (forall a b. SymbolicT m a -> SymbolicT m b -> SymbolicT m b)
-> (forall a. a -> SymbolicT m a)
-> Monad (SymbolicT m)
SymbolicT m a -> (a -> SymbolicT m b) -> SymbolicT m b
SymbolicT m a -> SymbolicT m b -> SymbolicT m b
forall a. a -> SymbolicT m a
forall a b. SymbolicT m a -> SymbolicT m b -> SymbolicT m b
forall a b. SymbolicT m a -> (a -> SymbolicT m b) -> SymbolicT m b
forall (m :: * -> *). Monad m => Applicative (SymbolicT m)
forall (m :: * -> *) a. Monad m => a -> SymbolicT m a
forall (m :: * -> *) a b.
Monad m =>
SymbolicT m a -> SymbolicT m b -> SymbolicT m b
forall (m :: * -> *) a b.
Monad m =>
SymbolicT m a -> (a -> SymbolicT m b) -> SymbolicT m b
forall (m :: * -> *).
Applicative m
-> (forall a b. m a -> (a -> m b) -> m b)
-> (forall a b. m a -> m b -> m b)
-> (forall a. a -> m a)
-> Monad m
return :: a -> SymbolicT m a
$creturn :: forall (m :: * -> *) a. Monad m => a -> SymbolicT m a
>> :: SymbolicT m a -> SymbolicT m b -> SymbolicT m b
$c>> :: forall (m :: * -> *) a b.
Monad m =>
SymbolicT m a -> SymbolicT m b -> SymbolicT m b
>>= :: SymbolicT m a -> (a -> SymbolicT m b) -> SymbolicT m b
$c>>= :: forall (m :: * -> *) a b.
Monad m =>
SymbolicT m a -> (a -> SymbolicT m b) -> SymbolicT m b
$cp1Monad :: forall (m :: * -> *). Monad m => Applicative (SymbolicT m)
Monad, Monad (SymbolicT m)
Monad (SymbolicT m)
-> (forall a. IO a -> SymbolicT m a) -> MonadIO (SymbolicT m)
IO a -> SymbolicT m a
forall a. IO a -> SymbolicT m a
forall (m :: * -> *).
Monad m -> (forall a. IO a -> m a) -> MonadIO m
forall (m :: * -> *). MonadIO m => Monad (SymbolicT m)
forall (m :: * -> *) a. MonadIO m => IO a -> SymbolicT m a
liftIO :: IO a -> SymbolicT m a
$cliftIO :: forall (m :: * -> *) a. MonadIO m => IO a -> SymbolicT m a
$cp1MonadIO :: forall (m :: * -> *). MonadIO m => Monad (SymbolicT m)
MonadIO, m a -> SymbolicT m a
(forall (m :: * -> *) a. Monad m => m a -> SymbolicT m a)
-> MonadTrans SymbolicT
forall (m :: * -> *) a. Monad m => m a -> SymbolicT m a
forall (t :: (* -> *) -> * -> *).
(forall (m :: * -> *) a. Monad m => m a -> t m a) -> MonadTrans t
lift :: m a -> SymbolicT m a
$clift :: forall (m :: * -> *) a. Monad m => m a -> SymbolicT m a
MonadTrans
                            , MonadError e, MonadState s, MonadWriter w
#if MIN_VERSION_base(4,11,0)
                            , Monad (SymbolicT m)
Monad (SymbolicT m)
-> (forall a. String -> SymbolicT m a) -> MonadFail (SymbolicT m)
String -> SymbolicT m a
forall a. String -> SymbolicT m a
forall (m :: * -> *).
Monad m -> (forall a. String -> m a) -> MonadFail m
forall (m :: * -> *). MonadFail m => Monad (SymbolicT m)
forall (m :: * -> *) a. MonadFail m => String -> SymbolicT m a
fail :: String -> SymbolicT m a
$cfail :: forall (m :: * -> *) a. MonadFail m => String -> SymbolicT m a
$cp1MonadFail :: forall (m :: * -> *). MonadFail m => Monad (SymbolicT m)
Fail.MonadFail
#endif
                            )

-- | `MonadSymbolic` instance for `SymbolicT m`
instance MonadIO m => MonadSymbolic (SymbolicT m) where
  symbolicEnv :: SymbolicT m State
symbolicEnv = ReaderT State m State -> SymbolicT m State
forall (m :: * -> *) a. ReaderT State m a -> SymbolicT m a
SymbolicT ReaderT State m State
forall r (m :: * -> *). MonadReader r m => m r
ask

-- | Map a computation over the symbolic transformer.
mapSymbolicT :: (ReaderT State m a -> ReaderT State n b) -> SymbolicT m a -> SymbolicT n b
mapSymbolicT :: (ReaderT State m a -> ReaderT State n b)
-> SymbolicT m a -> SymbolicT n b
mapSymbolicT ReaderT State m a -> ReaderT State n b
f = ReaderT State n b -> SymbolicT n b
forall (m :: * -> *) a. ReaderT State m a -> SymbolicT m a
SymbolicT (ReaderT State n b -> SymbolicT n b)
-> (SymbolicT m a -> ReaderT State n b)
-> SymbolicT m a
-> SymbolicT n b
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ReaderT State m a -> ReaderT State n b
f (ReaderT State m a -> ReaderT State n b)
-> (SymbolicT m a -> ReaderT State m a)
-> SymbolicT m a
-> ReaderT State n b
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SymbolicT m a -> ReaderT State m a
forall (m :: * -> *) a. SymbolicT m a -> ReaderT State m a
runSymbolicT
{-# INLINE mapSymbolicT #-}

-- Have to define this one by hand, because we use ReaderT in the implementation
instance MonadReader r m => MonadReader r (SymbolicT m) where
  ask :: SymbolicT m r
ask = m r -> SymbolicT m r
forall (t :: (* -> *) -> * -> *) (m :: * -> *) a.
(MonadTrans t, Monad m) =>
m a -> t m a
lift m r
forall r (m :: * -> *). MonadReader r m => m r
ask
  local :: (r -> r) -> SymbolicT m a -> SymbolicT m a
local r -> r
f = (ReaderT State m a -> ReaderT State m a)
-> SymbolicT m a -> SymbolicT m a
forall (m :: * -> *) a (n :: * -> *) b.
(ReaderT State m a -> ReaderT State n b)
-> SymbolicT m a -> SymbolicT n b
mapSymbolicT ((ReaderT State m a -> ReaderT State m a)
 -> SymbolicT m a -> SymbolicT m a)
-> (ReaderT State m a -> ReaderT State m a)
-> SymbolicT m a
-> SymbolicT m a
forall a b. (a -> b) -> a -> b
$ (m a -> m a) -> ReaderT State m a -> ReaderT State m a
forall (m :: * -> *) a (n :: * -> *) b r.
(m a -> n b) -> ReaderT r m a -> ReaderT r n b
mapReaderT ((m a -> m a) -> ReaderT State m a -> ReaderT State m a)
-> (m a -> m a) -> ReaderT State m a -> ReaderT State m a
forall a b. (a -> b) -> a -> b
$ (r -> r) -> m a -> m a
forall r (m :: * -> *) a. MonadReader r m => (r -> r) -> m a -> m a
local r -> r
f

-- | `Symbolic` is specialization of `SymbolicT` to the `IO` monad. Unless you are using
-- transformers explicitly, this is the type you should prefer.
type Symbolic = SymbolicT IO

-- | Create a symbolic value, based on the quantifier we have. If an
-- explicit quantifier is given, we just use that. If not, then we
-- pick the quantifier appropriately based on the run-mode.
-- @randomCV@ is used for generating random values for this variable
-- when used for @quickCheck@ or 'Data.SBV.Tools.GenTest.genTest' purposes.
svMkSymVar :: VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVar :: VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVar = Bool -> VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVarGen Bool
False

-- | Create an existentially quantified tracker variable
svMkTrackerVar :: Kind -> String -> State -> IO SVal
svMkTrackerVar :: Kind -> String -> State -> IO SVal
svMkTrackerVar Kind
k String
nm = Bool -> VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVarGen Bool
True (Maybe Quantifier -> VarContext
NonQueryVar (Quantifier -> Maybe Quantifier
forall a. a -> Maybe a
Just Quantifier
EX)) Kind
k (String -> Maybe String
forall a. a -> Maybe a
Just String
nm)

-- | Generalization of 'Data.SBV.sWordN'
sWordN :: MonadSymbolic m => Int -> String -> m SVal
sWordN :: Int -> String -> m SVal
sWordN Int
w String
nm = m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv m State -> (State -> m SVal) -> m SVal
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= IO SVal -> m SVal
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SVal -> m SVal) -> (State -> IO SVal) -> State -> m SVal
forall b c a. (b -> c) -> (a -> b) -> a -> c
. VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVar (Maybe Quantifier -> VarContext
NonQueryVar Maybe Quantifier
forall a. Maybe a
Nothing) (Bool -> Int -> Kind
KBounded Bool
False Int
w) (String -> Maybe String
forall a. a -> Maybe a
Just String
nm)

-- | Generalization of 'Data.SBV.sWordN_'
sWordN_ :: MonadSymbolic m => Int -> m SVal
sWordN_ :: Int -> m SVal
sWordN_ Int
w = m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv m State -> (State -> m SVal) -> m SVal
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= IO SVal -> m SVal
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SVal -> m SVal) -> (State -> IO SVal) -> State -> m SVal
forall b c a. (b -> c) -> (a -> b) -> a -> c
. VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVar (Maybe Quantifier -> VarContext
NonQueryVar Maybe Quantifier
forall a. Maybe a
Nothing) (Bool -> Int -> Kind
KBounded Bool
False Int
w) Maybe String
forall a. Maybe a
Nothing

-- | Generalization of 'Data.SBV.sIntN'
sIntN :: MonadSymbolic m => Int -> String -> m SVal
sIntN :: Int -> String -> m SVal
sIntN Int
w String
nm = m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv m State -> (State -> m SVal) -> m SVal
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= IO SVal -> m SVal
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SVal -> m SVal) -> (State -> IO SVal) -> State -> m SVal
forall b c a. (b -> c) -> (a -> b) -> a -> c
. VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVar (Maybe Quantifier -> VarContext
NonQueryVar Maybe Quantifier
forall a. Maybe a
Nothing) (Bool -> Int -> Kind
KBounded Bool
True Int
w) (String -> Maybe String
forall a. a -> Maybe a
Just String
nm)

-- | Generalization of 'Data.SBV.sIntN_'
sIntN_ :: MonadSymbolic m => Int -> m SVal
sIntN_ :: Int -> m SVal
sIntN_ Int
w = m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv m State -> (State -> m SVal) -> m SVal
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= IO SVal -> m SVal
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SVal -> m SVal) -> (State -> IO SVal) -> State -> m SVal
forall b c a. (b -> c) -> (a -> b) -> a -> c
. VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVar (Maybe Quantifier -> VarContext
NonQueryVar Maybe Quantifier
forall a. Maybe a
Nothing) (Bool -> Int -> Kind
KBounded Bool
True Int
w) Maybe String
forall a. Maybe a
Nothing

-- | Create a symbolic value, based on the quantifier we have. If an
-- explicit quantifier is given, we just use that. If not, then we
-- pick the quantifier appropriately based on the run-mode.
-- @randomCV@ is used for generating random values for this variable
-- when used for @quickCheck@ or 'Data.SBV.Tools.GenTest.genTest' purposes.
svMkSymVarGen :: Bool -> VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVarGen :: Bool -> VarContext -> Kind -> Maybe String -> State -> IO SVal
svMkSymVarGen Bool
isTracker VarContext
varContext Kind
k Maybe String
mbNm State
st = do
        SBVRunMode
rm <- IORef SBVRunMode -> IO SBVRunMode
forall a. IORef a -> IO a
readIORef (State -> IORef SBVRunMode
runMode State
st)

        let varInfo :: String
varInfo = case Maybe String
mbNm of
                        Maybe String
Nothing -> String
", of type " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k
                        Just String
nm -> String
", while defining " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
nm String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" :: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k

            disallow :: String -> IO SVal
disallow String
what  = String -> IO SVal
forall a. HasCallStack => String -> a
error (String -> IO SVal) -> String -> IO SVal
forall a b. (a -> b) -> a -> b
$ String
"Data.SBV: Unsupported: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
what String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
varInfo String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
" in mode: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SBVRunMode -> String
forall a. Show a => a -> String
show SBVRunMode
rm

            noUI :: IO SVal -> IO SVal
noUI IO SVal
cont
              | Kind -> Bool
forall a. HasKind a => a -> Bool
isUserSort Kind
k  = String -> IO SVal
disallow String
"User defined sorts"
              | Bool
True          = IO SVal
cont

            (Bool
isQueryVar, Maybe Quantifier
mbQ) = case VarContext
varContext of
                                  NonQueryVar Maybe Quantifier
mq -> (Bool
False, Maybe Quantifier
mq)
                                  VarContext
QueryVar       -> (Bool
True,  Quantifier -> Maybe Quantifier
forall a. a -> Maybe a
Just Quantifier
EX)

            mkS :: Quantifier -> IO SVal
mkS Quantifier
q = do (NamedSymVar SV
sv Name
internalName) <- State -> Kind -> IO NamedSymVar
newSV State
st Kind
k
                       let nm :: String
nm = String -> Maybe String -> String
forall a. a -> Maybe a -> a
fromMaybe (Name -> String
T.unpack Name
internalName) Maybe String
mbNm
                       State
-> (Bool, Bool) -> String -> Kind -> Quantifier -> SV -> IO SVal
introduceUserName State
st (Bool
isQueryVar, Bool
isTracker) String
nm Kind
k Quantifier
q SV
sv

            mkC :: CV -> IO SVal
mkC CV
cv = do State -> Kind -> IO ()
registerKind State
st Kind
k
                        State
-> (State -> IORef [(String, CV)])
-> ([(String, CV)] -> [(String, CV)])
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef [(String, CV)]
rCInfo ((String -> Maybe String -> String
forall a. a -> Maybe a -> a
fromMaybe String
"_" Maybe String
mbNm, CV
cv)(String, CV) -> [(String, CV)] -> [(String, CV)]
forall a. a -> [a] -> [a]
:) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())
                        SVal -> IO SVal
forall (m :: * -> *) a. Monad m => a -> m a
return (SVal -> IO SVal) -> SVal -> IO SVal
forall a b. (a -> b) -> a -> b
$ Kind -> Either CV (Cached SV) -> SVal
SVal Kind
k (CV -> Either CV (Cached SV)
forall a b. a -> Either a b
Left CV
cv)

        case (Maybe Quantifier
mbQ, SBVRunMode
rm) of
          (Just Quantifier
q,  SMTMode{}          ) -> Quantifier -> IO SVal
mkS Quantifier
q
          (Maybe Quantifier
Nothing, SMTMode QueryContext
_ IStage
_ Bool
isSAT SMTConfig
_) -> Quantifier -> IO SVal
mkS (if Bool
isSAT then Quantifier
EX else Quantifier
ALL)

          (Just Quantifier
EX, CodeGen{})           -> String -> IO SVal
disallow String
"Existentially quantified variables"
          (Maybe Quantifier
_      , SBVRunMode
CodeGen)             -> IO SVal -> IO SVal
noUI (IO SVal -> IO SVal) -> IO SVal -> IO SVal
forall a b. (a -> b) -> a -> b
$ Quantifier -> IO SVal
mkS Quantifier
ALL  -- code generation, pick universal

          (Just Quantifier
EX, Concrete Maybe (Bool, [((Quantifier, NamedSymVar), Maybe CV)])
Nothing)    -> String -> IO SVal
disallow String
"Existentially quantified variables"
          (Maybe Quantifier
_      , Concrete Maybe (Bool, [((Quantifier, NamedSymVar), Maybe CV)])
Nothing)    -> IO SVal -> IO SVal
noUI (Kind -> IO CV
randomCV Kind
k IO CV -> (CV -> IO SVal) -> IO SVal
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= CV -> IO SVal
mkC)

          -- Model validation:
          (Maybe Quantifier
_      , Concrete (Just (Bool
_isSat, [((Quantifier, NamedSymVar), Maybe CV)]
env))) -> do
                        let bad :: String -> String -> a
bad String
why String
conc = String -> a
forall a. HasCallStack => String -> a
error (String -> a) -> String -> a
forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines [ String
""
                                                           , String
"*** Data.SBV: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
why
                                                           , String
"***"
                                                           , String
"***   To turn validation off, use `cfg{validateModel = False}`"
                                                           , String
"***"
                                                           , String
"*** " String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
conc
                                                           ]

                            cant :: String
cant   = String
"Validation engine is not capable of handling this case. Failed to validate."
                            report :: String
report = String
"Please report this as a bug in SBV!"

                        case () of
                          () | Kind -> Bool
forall a. HasKind a => a -> Bool
isUserSort Kind
k -> String -> String -> IO SVal
forall a. String -> String -> a
bad (String
"Cannot validate models in the presence of user defined kinds, saw: "             String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k) String
cant

                          ()
_  -> do (NamedSymVar SV
sv Name
internalName) <- State -> Kind -> IO NamedSymVar
newSV State
st Kind
k

                                   let nm :: String
nm = String -> Maybe String -> String
forall a. a -> Maybe a -> a
fromMaybe (Name -> String
T.unpack Name
internalName) Maybe String
mbNm
                                       nsv :: NamedSymVar
nsv = SV -> String -> NamedSymVar
toNamedSV' SV
sv String
nm

                                       cv :: CV
cv = case [(Quantifier
q, Maybe CV
v) | ((Quantifier
q, NamedSymVar
nsv'), Maybe CV
v) <- [((Quantifier, NamedSymVar), Maybe CV)]
env, NamedSymVar
nsv NamedSymVar -> NamedSymVar -> Bool
forall a. Eq a => a -> a -> Bool
== NamedSymVar
nsv'] of
                                              []              -> if Bool
isTracker
                                                                 then  -- The sole purpose of a tracker variable is to send the optimization
                                                                       -- directive to the solver, so we can name "expressions" that are minimized
                                                                       -- or maximized. There will be no constraints on these when we are doing
                                                                       -- the validation; in fact they will not even be used anywhere during a
                                                                       -- validation run. So, simply push a zero value that inhabits all metrics.
                                                                       Kind -> Integer -> CV
forall a. Integral a => Kind -> a -> CV
mkConstCV Kind
k (Integer
0::Integer)
                                                                 else String -> String -> CV
forall a. String -> String -> a
bad (String
"Cannot locate variable: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ (NamedSymVar, Kind) -> String
forall a. Show a => a -> String
show (NamedSymVar
nsv, Kind
k)) String
report
                                              [(Quantifier
ALL, Maybe CV
_)]      -> -- We can stop here, as we can't really validate in the presence of a universal quantifier:
                                                                 -- we'd have to validate for each possible value. But that's more or less useless. Instead,
                                                                 -- just issue a warning and use 0 for this value.
                                                                 Kind -> Integer -> CV
forall a. Integral a => Kind -> a -> CV
mkConstCV Kind
k (Integer
0::Integer)
                                              [(Quantifier
EX, Maybe CV
Nothing)] -> String -> String -> CV
forall a. String -> String -> a
bad (String
"Cannot locate model value of variable: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ ShowS
forall a. Show a => a -> String
show (NamedSymVar -> String
getUserName' NamedSymVar
nsv)) String
report
                                              [(Quantifier
EX, Just CV
c)]  -> CV
c
                                              [(Quantifier, Maybe CV)]
r               -> String -> String -> CV
forall a. String -> String -> a
bad (   String
"Found multiple matching values for variable: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ NamedSymVar -> String
forall a. Show a => a -> String
show NamedSymVar
nsv
                                                                      String -> ShowS
forall a. [a] -> [a] -> [a]
++ String
"\n*** " String -> ShowS
forall a. [a] -> [a] -> [a]
++ [(Quantifier, Maybe CV)] -> String
forall a. Show a => a -> String
show [(Quantifier, Maybe CV)]
r) String
report

                                   CV -> IO SVal
mkC CV
cv

-- | Introduce a new user name. We simply append a suffix if we have seen this variable before.
introduceUserName :: State -> (Bool, Bool) -> String -> Kind -> Quantifier -> SV -> IO SVal
introduceUserName :: State
-> (Bool, Bool) -> String -> Kind -> Quantifier -> SV -> IO SVal
introduceUserName st :: State
st@State{IORef SBVRunMode
runMode :: IORef SBVRunMode
runMode :: State -> IORef SBVRunMode
runMode} (Bool
isQueryVar, Bool
isTracker) String
nmOrig Kind
k Quantifier
q SV
sv = do
        AllInps
old <- Inputs -> AllInps
allInputs (Inputs -> AllInps) -> IO Inputs -> IO AllInps
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef Inputs -> IO Inputs
forall a. IORef a -> IO a
readIORef (State -> IORef Inputs
rinps State
st)

        let nm :: Name
nm  = Name -> AllInps -> Name
mkUnique (String -> Name
T.pack String
nmOrig) AllInps
old

        -- If this is not a query variable and we're in a query, reject it.
        -- See https://github.com/LeventErkok/sbv/issues/554 for the rationale.
        -- In theory, it should be possible to support this, but fixing it is
        -- rather costly as we'd have to track the regular updates and sync the
        -- incremental state appropriately. Instead, we issue an error message
        -- and ask the user to obey the query mode rules.
        SBVRunMode
rm <- IORef SBVRunMode -> IO SBVRunMode
forall a. IORef a -> IO a
readIORef IORef SBVRunMode
runMode
        case SBVRunMode
rm of
          SMTMode QueryContext
_ IStage
IRun Bool
_ SMTConfig
_ | Bool -> Bool
not Bool
isQueryVar -> [String] -> IO ()
forall a. [String] -> a
noInteractiveEver [ String
"Adding a new input variable in query mode: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Name -> String
forall a. Show a => a -> String
show Name
nm
                                                                   , String
""
                                                                   , String
"Hint: Use freshVar/freshVar_ for introducing new inputs in query mode."
                                                                   ]
          SBVRunMode
_                                   -> () -> IO ()
forall (f :: * -> *) a. Applicative f => a -> f a
pure ()

        if Bool
isTracker Bool -> Bool -> Bool
&& Quantifier
q Quantifier -> Quantifier -> Bool
forall a. Eq a => a -> a -> Bool
== Quantifier
ALL
           then String -> IO SVal
forall a. HasCallStack => String -> a
error (String -> IO SVal) -> String -> IO SVal
forall a b. (a -> b) -> a -> b
$ String
"SBV: Impossible happened! A universally quantified tracker variable is being introduced: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Name -> String
forall a. Show a => a -> String
show Name
nm
           else do let newInp :: [NamedSymVar] -> [NamedSymVar]
newInp [NamedSymVar]
olds = case Quantifier
q of
                                      Quantifier
EX  -> SV -> Name -> NamedSymVar
toNamedSV SV
sv Name
nm NamedSymVar -> [NamedSymVar] -> [NamedSymVar]
forall a. a -> [a] -> [a]
: [NamedSymVar]
olds
                                      Quantifier
ALL -> [String] -> [NamedSymVar]
forall a. [String] -> a
noInteractive [ String
"Adding a new universally quantified variable: "
                                                           , String
"  Name      : " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Name -> String
forall a. Show a => a -> String
show Name
nm
                                                           , String
"  Kind      : " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Kind -> String
forall a. Show a => a -> String
show Kind
k
                                                           , String
"  Quantifier: Universal"
                                                           , String
"  Node      : " String -> ShowS
forall a. [a] -> [a] -> [a]
++ SV -> String
forall a. Show a => a -> String
show SV
sv
                                                           , String
"Only existential variables are supported in query mode."
                                                           ]
                   if Bool
isTracker
                      then State
-> (State -> IORef Inputs) -> (Inputs -> Inputs) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef Inputs
rinps (SV -> Name -> Inputs -> Inputs
addInternInput SV
sv Name
nm)
                                     (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ [String] -> IO ()
forall a. [String] -> a
noInteractive [String
"Adding a new tracker variable in interactive mode: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Name -> String
forall a. Show a => a -> String
show Name
nm]
                      else State
-> (State -> IORef Inputs) -> (Inputs -> Inputs) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef Inputs
rinps (Quantifier -> SV -> Name -> Inputs -> Inputs
addUserInput Quantifier
q SV
sv Name
nm)
                                     (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State
-> (IncState -> IORef [NamedSymVar])
-> ([NamedSymVar] -> [NamedSymVar])
-> IO ()
forall a. State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State
st IncState -> IORef [NamedSymVar]
rNewInps [NamedSymVar] -> [NamedSymVar]
newInp
                   SVal -> IO SVal
forall (m :: * -> *) a. Monad m => a -> m a
return (SVal -> IO SVal) -> SVal -> IO SVal
forall a b. (a -> b) -> a -> b
$ Kind -> Either CV (Cached SV) -> SVal
SVal Kind
k (Either CV (Cached SV) -> SVal) -> Either CV (Cached SV) -> SVal
forall a b. (a -> b) -> a -> b
$ Cached SV -> Either CV (Cached SV)
forall a b. b -> Either a b
Right (Cached SV -> Either CV (Cached SV))
-> Cached SV -> Either CV (Cached SV)
forall a b. (a -> b) -> a -> b
$ (State -> IO SV) -> Cached SV
forall a. (State -> IO a) -> Cached a
cache (IO SV -> State -> IO SV
forall a b. a -> b -> a
const (SV -> IO SV
forall (m :: * -> *) a. Monad m => a -> m a
return SV
sv))

   where -- The following can be rather slow if we keep reusing the same prefix, but I doubt it'll be a problem in practice
         -- Also, the following will fail if we span the range of integers without finding a match, but your computer would
         -- die way ahead of that happening if that's the case!
         mkUnique :: T.Text -> Set.Set Name -> T.Text
         mkUnique :: Name -> AllInps -> Name
mkUnique Name
prefix AllInps
names = [Name] -> Name
forall a. [a] -> a
head ([Name] -> Name) -> [Name] -> Name
forall a b. (a -> b) -> a -> b
$ (Name -> Bool) -> [Name] -> [Name]
forall a. (a -> Bool) -> [a] -> [a]
dropWhile (Name -> AllInps -> Bool
forall a. Ord a => a -> Set a -> Bool
`Set.member` AllInps
names) (Name
prefix Name -> [Name] -> [Name]
forall a. a -> [a] -> [a]
: [Name
prefix Name -> Name -> Name
forall a. Semigroup a => a -> a -> a
<> Name
"_" Name -> Name -> Name
forall a. Semigroup a => a -> a -> a
<> String -> Name
T.pack (Int -> String
forall a. Show a => a -> String
show Int
i) | Int
i <- [(Int
0::Int)..]])

-- | Generalization of 'Data.SBV.runSymbolic'
runSymbolic :: MonadIO m => SBVRunMode -> SymbolicT m a -> m (a, Result)
runSymbolic :: SBVRunMode -> SymbolicT m a -> m (a, Result)
runSymbolic SBVRunMode
currentRunMode (SymbolicT ReaderT State m a
c) = do
   State
st <- IO State -> m State
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO State -> m State) -> IO State -> m State
forall a b. (a -> b) -> a -> b
$ do
     UTCTime
currTime  <- IO UTCTime
getCurrentTime
     IORef SBVRunMode
rm        <- SBVRunMode -> IO (IORef SBVRunMode)
forall a. a -> IO (IORef a)
newIORef SBVRunMode
currentRunMode
     IORef Int
ctr       <- Int -> IO (IORef Int)
forall a. a -> IO (IORef a)
newIORef (-Int
2) -- start from -2; False and True will always occupy the first two elements
     IORef [(String, CV)]
cInfo     <- [(String, CV)] -> IO (IORef [(String, CV)])
forall a. a -> IO (IORef a)
newIORef []
     IORef (Seq (Name, CV -> Bool, SV))
observes  <- Seq (Name, CV -> Bool, SV)
-> IO (IORef (Seq (Name, CV -> Bool, SV)))
forall a. a -> IO (IORef a)
newIORef Seq (Name, CV -> Bool, SV)
forall a. Monoid a => a
mempty
     IORef SBVPgm
pgm       <- SBVPgm -> IO (IORef SBVPgm)
forall a. a -> IO (IORef a)
newIORef (Seq (SV, SBVExpr) -> SBVPgm
SBVPgm Seq (SV, SBVExpr)
forall a. Seq a
S.empty)
     IORef ExprMap
emap      <- ExprMap -> IO (IORef ExprMap)
forall a. a -> IO (IORef a)
newIORef ExprMap
forall k a. Map k a
Map.empty
     IORef CnstMap
cmap      <- CnstMap -> IO (IORef CnstMap)
forall a. a -> IO (IORef a)
newIORef CnstMap
forall k a. Map k a
Map.empty
     IORef Inputs
inps      <- Inputs -> IO (IORef Inputs)
forall a. a -> IO (IORef a)
newIORef Inputs
forall a. Monoid a => a
mempty
     IORef [SV]
outs      <- [SV] -> IO (IORef [SV])
forall a. a -> IO (IORef a)
newIORef []
     IORef TableMap
tables    <- TableMap -> IO (IORef TableMap)
forall a. a -> IO (IORef a)
newIORef TableMap
forall k a. Map k a
Map.empty
     IORef ArrayMap
arrays    <- ArrayMap -> IO (IORef ArrayMap)
forall a. a -> IO (IORef a)
newIORef ArrayMap
forall a. IntMap a
IMap.empty
     IORef FArrayMap
fArrays   <- FArrayMap -> IO (IORef FArrayMap)
forall a. a -> IO (IORef a)
newIORef FArrayMap
forall a. IntMap a
IMap.empty
     IORef UIMap
uis       <- UIMap -> IO (IORef UIMap)
forall a. a -> IO (IORef a)
newIORef UIMap
forall k a. Map k a
Map.empty
     IORef CgMap
cgs       <- CgMap -> IO (IORef CgMap)
forall a. a -> IO (IORef a)
newIORef CgMap
forall k a. Map k a
Map.empty
     IORef [(Bool, String, [String])]
axioms    <- [(Bool, String, [String])] -> IO (IORef [(Bool, String, [String])])
forall a. a -> IO (IORef a)
newIORef []
     IORef (Cache SV)
swCache   <- Cache SV -> IO (IORef (Cache SV))
forall a. a -> IO (IORef a)
newIORef Cache SV
forall a. IntMap a
IMap.empty
     IORef (Cache ArrayIndex)
aiCache   <- Cache ArrayIndex -> IO (IORef (Cache ArrayIndex))
forall a. a -> IO (IORef a)
newIORef Cache ArrayIndex
forall a. IntMap a
IMap.empty
     IORef (Set Kind)
usedKinds <- Set Kind -> IO (IORef (Set Kind))
forall a. a -> IO (IORef a)
newIORef Set Kind
forall a. Set a
Set.empty
     IORef (Set String)
usedLbls  <- Set String -> IO (IORef (Set String))
forall a. a -> IO (IORef a)
newIORef Set String
forall a. Set a
Set.empty
     IORef (Seq (Bool, [(String, String)], SV))
cstrs     <- Seq (Bool, [(String, String)], SV)
-> IO (IORef (Seq (Bool, [(String, String)], SV)))
forall a. a -> IO (IORef a)
newIORef Seq (Bool, [(String, String)], SV)
forall a. Seq a
S.empty
     IORef [SMTOption]
smtOpts   <- [SMTOption] -> IO (IORef [SMTOption])
forall a. a -> IO (IORef a)
newIORef []
     IORef [Objective (SV, SV)]
optGoals  <- [Objective (SV, SV)] -> IO (IORef [Objective (SV, SV)])
forall a. a -> IO (IORef a)
newIORef []
     IORef [(String, Maybe CallStack, SV)]
asserts   <- [(String, Maybe CallStack, SV)]
-> IO (IORef [(String, Maybe CallStack, SV)])
forall a. a -> IO (IORef a)
newIORef []
     IORef IncState
istate    <- IncState -> IO (IORef IncState)
forall a. a -> IO (IORef a)
newIORef (IncState -> IO (IORef IncState))
-> IO IncState -> IO (IORef IncState)
forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< IO IncState
newIncState
     IORef (Maybe QueryState)
qstate    <- Maybe QueryState -> IO (IORef (Maybe QueryState))
forall a. a -> IO (IORef a)
newIORef Maybe QueryState
forall a. Maybe a
Nothing
     State -> IO State
forall (f :: * -> *) a. Applicative f => a -> f a
pure (State -> IO State) -> State -> IO State
forall a b. (a -> b) -> a -> b
$ State :: SVal
-> UTCTime
-> IORef SBVRunMode
-> IORef IncState
-> IORef [(String, CV)]
-> IORef (Seq (Name, CV -> Bool, SV))
-> IORef Int
-> IORef (Set Kind)
-> IORef (Set String)
-> IORef Inputs
-> IORef (Seq (Bool, [(String, String)], SV))
-> IORef [SV]
-> IORef TableMap
-> IORef SBVPgm
-> IORef CnstMap
-> IORef ExprMap
-> IORef ArrayMap
-> IORef FArrayMap
-> IORef UIMap
-> IORef CgMap
-> IORef [(Bool, String, [String])]
-> IORef [SMTOption]
-> IORef [Objective (SV, SV)]
-> IORef [(String, Maybe CallStack, SV)]
-> IORef (Cache SV)
-> IORef (Cache ArrayIndex)
-> IORef (Maybe QueryState)
-> State
State { runMode :: IORef SBVRunMode
runMode      = IORef SBVRunMode
rm
                  , startTime :: UTCTime
startTime    = UTCTime
currTime
                  , pathCond :: SVal
pathCond     = Kind -> Either CV (Cached SV) -> SVal
SVal Kind
KBool (CV -> Either CV (Cached SV)
forall a b. a -> Either a b
Left CV
trueCV)
                  , rIncState :: IORef IncState
rIncState    = IORef IncState
istate
                  , rCInfo :: IORef [(String, CV)]
rCInfo       = IORef [(String, CV)]
cInfo
                  , rObservables :: IORef (Seq (Name, CV -> Bool, SV))
rObservables = IORef (Seq (Name, CV -> Bool, SV))
observes
                  , rctr :: IORef Int
rctr         = IORef Int
ctr
                  , rUsedKinds :: IORef (Set Kind)
rUsedKinds   = IORef (Set Kind)
usedKinds
                  , rUsedLbls :: IORef (Set String)
rUsedLbls    = IORef (Set String)
usedLbls
                  , rinps :: IORef Inputs
rinps        = IORef Inputs
inps
                  , routs :: IORef [SV]
routs        = IORef [SV]
outs
                  , rtblMap :: IORef TableMap
rtblMap      = IORef TableMap
tables
                  , spgm :: IORef SBVPgm
spgm         = IORef SBVPgm
pgm
                  , rconstMap :: IORef CnstMap
rconstMap    = IORef CnstMap
cmap
                  , rArrayMap :: IORef ArrayMap
rArrayMap    = IORef ArrayMap
arrays
                  , rFArrayMap :: IORef FArrayMap
rFArrayMap   = IORef FArrayMap
fArrays
                  , rexprMap :: IORef ExprMap
rexprMap     = IORef ExprMap
emap
                  , rUIMap :: IORef UIMap
rUIMap       = IORef UIMap
uis
                  , rCgMap :: IORef CgMap
rCgMap       = IORef CgMap
cgs
                  , raxioms :: IORef [(Bool, String, [String])]
raxioms      = IORef [(Bool, String, [String])]
axioms
                  , rSVCache :: IORef (Cache SV)
rSVCache     = IORef (Cache SV)
swCache
                  , rAICache :: IORef (Cache ArrayIndex)
rAICache     = IORef (Cache ArrayIndex)
aiCache
                  , rConstraints :: IORef (Seq (Bool, [(String, String)], SV))
rConstraints = IORef (Seq (Bool, [(String, String)], SV))
cstrs
                  , rSMTOptions :: IORef [SMTOption]
rSMTOptions  = IORef [SMTOption]
smtOpts
                  , rOptGoals :: IORef [Objective (SV, SV)]
rOptGoals    = IORef [Objective (SV, SV)]
optGoals
                  , rAsserts :: IORef [(String, Maybe CallStack, SV)]
rAsserts     = IORef [(String, Maybe CallStack, SV)]
asserts
                  , rQueryState :: IORef (Maybe QueryState)
rQueryState  = IORef (Maybe QueryState)
qstate
                  }
   SV
_ <- IO SV -> m SV
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SV -> m SV) -> IO SV -> m SV
forall a b. (a -> b) -> a -> b
$ State -> CV -> IO SV
newConst State
st CV
falseCV -- s(-2) == falseSV
   SV
_ <- IO SV -> m SV
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SV -> m SV) -> IO SV -> m SV
forall a b. (a -> b) -> a -> b
$ State -> CV -> IO SV
newConst State
st CV
trueCV  -- s(-1) == trueSV
   a
r <- ReaderT State m a -> State -> m a
forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT ReaderT State m a
c State
st
   Result
res <- IO Result -> m Result
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Result -> m Result) -> IO Result -> m Result
forall a b. (a -> b) -> a -> b
$ State -> IO Result
extractSymbolicSimulationState State
st

   -- Clean-up after ourselves
   Maybe QueryState
qs <- IO (Maybe QueryState) -> m (Maybe QueryState)
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO (Maybe QueryState) -> m (Maybe QueryState))
-> IO (Maybe QueryState) -> m (Maybe QueryState)
forall a b. (a -> b) -> a -> b
$ IORef (Maybe QueryState) -> IO (Maybe QueryState)
forall a. IORef a -> IO a
readIORef (IORef (Maybe QueryState) -> IO (Maybe QueryState))
-> IORef (Maybe QueryState) -> IO (Maybe QueryState)
forall a b. (a -> b) -> a -> b
$ State -> IORef (Maybe QueryState)
rQueryState State
st
   case Maybe QueryState
qs of
     Maybe QueryState
Nothing                         -> () -> m ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
     Just QueryState{IO ()
queryTerminate :: IO ()
queryTerminate :: QueryState -> IO ()
queryTerminate} -> IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO IO ()
queryTerminate

   (a, Result) -> m (a, Result)
forall (m :: * -> *) a. Monad m => a -> m a
return (a
r, Result
res)

-- | Grab the program from a running symbolic simulation state.
extractSymbolicSimulationState :: State -> IO Result
extractSymbolicSimulationState :: State -> IO Result
extractSymbolicSimulationState st :: State
st@State{ spgm :: State -> IORef SBVPgm
spgm=IORef SBVPgm
pgm, rinps :: State -> IORef Inputs
rinps=IORef Inputs
inps, routs :: State -> IORef [SV]
routs=IORef [SV]
outs, rtblMap :: State -> IORef TableMap
rtblMap=IORef TableMap
tables, rArrayMap :: State -> IORef ArrayMap
rArrayMap=IORef ArrayMap
arrays, rUIMap :: State -> IORef UIMap
rUIMap=IORef UIMap
uis, raxioms :: State -> IORef [(Bool, String, [String])]
raxioms=IORef [(Bool, String, [String])]
axioms
                                       , rAsserts :: State -> IORef [(String, Maybe CallStack, SV)]
rAsserts=IORef [(String, Maybe CallStack, SV)]
asserts, rUsedKinds :: State -> IORef (Set Kind)
rUsedKinds=IORef (Set Kind)
usedKinds, rCgMap :: State -> IORef CgMap
rCgMap=IORef CgMap
cgs, rCInfo :: State -> IORef [(String, CV)]
rCInfo=IORef [(String, CV)]
cInfo, rConstraints :: State -> IORef (Seq (Bool, [(String, String)], SV))
rConstraints=IORef (Seq (Bool, [(String, String)], SV))
cstrs
                                       , rObservables :: State -> IORef (Seq (Name, CV -> Bool, SV))
rObservables=IORef (Seq (Name, CV -> Bool, SV))
observes
                                       } = do
   SBVPgm Seq (SV, SBVExpr)
rpgm  <- IORef SBVPgm -> IO SBVPgm
forall a. IORef a -> IO a
readIORef IORef SBVPgm
pgm
   ([(Quantifier, NamedSymVar)], [NamedSymVar])
inpsO <- Inputs -> ([(Quantifier, NamedSymVar)], [NamedSymVar])
inputsToList (Inputs -> ([(Quantifier, NamedSymVar)], [NamedSymVar]))
-> IO Inputs -> IO ([(Quantifier, NamedSymVar)], [NamedSymVar])
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef Inputs -> IO Inputs
forall a. IORef a -> IO a
readIORef IORef Inputs
inps
   [SV]
outsO <- [SV] -> [SV]
forall a. [a] -> [a]
reverse ([SV] -> [SV]) -> IO [SV] -> IO [SV]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef [SV] -> IO [SV]
forall a. IORef a -> IO a
readIORef IORef [SV]
outs

   let swap :: (b, a) -> (a, b)
swap  (b
a, a
b)              = (a
b, b
a)
       cmp :: (a, b) -> (a, b) -> Ordering
cmp   (a
a, b
_) (a
b, b
_)       = a
a a -> a -> Ordering
forall a. Ord a => a -> a -> Ordering
`compare` a
b
       arrange :: (a, (b, c, b)) -> ((a, b, c), b)
arrange (a
i, (b
at, c
rt, b
es)) = ((a
i, b
at, c
rt), b
es)

   CnstMap
constMap <- IORef CnstMap -> IO CnstMap
forall a. IORef a -> IO a
readIORef (State -> IORef CnstMap
rconstMap State
st)
   let cnsts :: [(SV, CV)]
cnsts = ((SV, CV) -> (SV, CV) -> Ordering) -> [(SV, CV)] -> [(SV, CV)]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy (SV, CV) -> (SV, CV) -> Ordering
forall a b b. Ord a => (a, b) -> (a, b) -> Ordering
cmp ([(SV, CV)] -> [(SV, CV)])
-> (CnstMap -> [(SV, CV)]) -> CnstMap -> [(SV, CV)]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((CV, SV) -> (SV, CV)) -> [(CV, SV)] -> [(SV, CV)]
forall a b. (a -> b) -> [a] -> [b]
map (CV, SV) -> (SV, CV)
forall b a. (b, a) -> (a, b)
swap ([(CV, SV)] -> [(SV, CV)])
-> (CnstMap -> [(CV, SV)]) -> CnstMap -> [(SV, CV)]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. CnstMap -> [(CV, SV)]
forall k a. Map k a -> [(k, a)]
Map.toList (CnstMap -> [(SV, CV)]) -> CnstMap -> [(SV, CV)]
forall a b. (a -> b) -> a -> b
$ CnstMap
constMap

   [((Int, Kind, Kind), [SV])]
tbls  <- ((Int, (Kind, Kind, [SV])) -> ((Int, Kind, Kind), [SV]))
-> [(Int, (Kind, Kind, [SV]))] -> [((Int, Kind, Kind), [SV])]
forall a b. (a -> b) -> [a] -> [b]
map (Int, (Kind, Kind, [SV])) -> ((Int, Kind, Kind), [SV])
forall a b c b. (a, (b, c, b)) -> ((a, b, c), b)
arrange ([(Int, (Kind, Kind, [SV]))] -> [((Int, Kind, Kind), [SV])])
-> (TableMap -> [(Int, (Kind, Kind, [SV]))])
-> TableMap
-> [((Int, Kind, Kind), [SV])]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((Int, (Kind, Kind, [SV]))
 -> (Int, (Kind, Kind, [SV])) -> Ordering)
-> [(Int, (Kind, Kind, [SV]))] -> [(Int, (Kind, Kind, [SV]))]
forall a. (a -> a -> Ordering) -> [a] -> [a]
sortBy (Int, (Kind, Kind, [SV])) -> (Int, (Kind, Kind, [SV])) -> Ordering
forall a b b. Ord a => (a, b) -> (a, b) -> Ordering
cmp ([(Int, (Kind, Kind, [SV]))] -> [(Int, (Kind, Kind, [SV]))])
-> (TableMap -> [(Int, (Kind, Kind, [SV]))])
-> TableMap
-> [(Int, (Kind, Kind, [SV]))]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (((Kind, Kind, [SV]), Int) -> (Int, (Kind, Kind, [SV])))
-> [((Kind, Kind, [SV]), Int)] -> [(Int, (Kind, Kind, [SV]))]
forall a b. (a -> b) -> [a] -> [b]
map ((Kind, Kind, [SV]), Int) -> (Int, (Kind, Kind, [SV]))
forall b a. (b, a) -> (a, b)
swap ([((Kind, Kind, [SV]), Int)] -> [(Int, (Kind, Kind, [SV]))])
-> (TableMap -> [((Kind, Kind, [SV]), Int)])
-> TableMap
-> [(Int, (Kind, Kind, [SV]))]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. TableMap -> [((Kind, Kind, [SV]), Int)]
forall k a. Map k a -> [(k, a)]
Map.toList (TableMap -> [((Int, Kind, Kind), [SV])])
-> IO TableMap -> IO [((Int, Kind, Kind), [SV])]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef TableMap -> IO TableMap
forall a. IORef a -> IO a
readIORef IORef TableMap
tables
   [(Int, ArrayInfo)]
arrs  <- ArrayMap -> [(Int, ArrayInfo)]
forall a. IntMap a -> [(Int, a)]
IMap.toAscList (ArrayMap -> [(Int, ArrayInfo)])
-> IO ArrayMap -> IO [(Int, ArrayInfo)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef ArrayMap -> IO ArrayMap
forall a. IORef a -> IO a
readIORef IORef ArrayMap
arrays
   [(Bool, String, [String])]
axs   <- [(Bool, String, [String])] -> [(Bool, String, [String])]
forall a. [a] -> [a]
reverse ([(Bool, String, [String])] -> [(Bool, String, [String])])
-> IO [(Bool, String, [String])] -> IO [(Bool, String, [String])]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef [(Bool, String, [String])] -> IO [(Bool, String, [String])]
forall a. IORef a -> IO a
readIORef IORef [(Bool, String, [String])]
axioms
   [(String, SBVType)]
unint <- do [(String, SBVType)]
unints <- UIMap -> [(String, SBVType)]
forall k a. Map k a -> [(k, a)]
Map.toList (UIMap -> [(String, SBVType)])
-> IO UIMap -> IO [(String, SBVType)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef UIMap -> IO UIMap
forall a. IORef a -> IO a
readIORef IORef UIMap
uis
               -- drop those that has an axiom associated with it
               let defineds :: [String]
defineds = [String
nm | (Bool
True, String
nm, [String]
_) <- [(Bool, String, [String])]
axs]
               [(String, SBVType)] -> IO [(String, SBVType)]
forall (f :: * -> *) a. Applicative f => a -> f a
pure [(String, SBVType)
ui | ui :: (String, SBVType)
ui@(String
nm, SBVType
_) <- [(String, SBVType)]
unints, String
nm String -> [String] -> Bool
forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`notElem` [String]
defineds]
   Set Kind
knds  <- IORef (Set Kind) -> IO (Set Kind)
forall a. IORef a -> IO a
readIORef IORef (Set Kind)
usedKinds
   [(String, [String])]
cgMap <- CgMap -> [(String, [String])]
forall k a. Map k a -> [(k, a)]
Map.toList (CgMap -> [(String, [String])])
-> IO CgMap -> IO [(String, [String])]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef CgMap -> IO CgMap
forall a. IORef a -> IO a
readIORef IORef CgMap
cgs

   [(String, CV)]
traceVals   <- [(String, CV)] -> [(String, CV)]
forall a. [a] -> [a]
reverse ([(String, CV)] -> [(String, CV)])
-> IO [(String, CV)] -> IO [(String, CV)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef [(String, CV)] -> IO [(String, CV)]
forall a. IORef a -> IO a
readIORef IORef [(String, CV)]
cInfo
   [(String, CV -> Bool, SV)]
observables <- [(String, CV -> Bool, SV)] -> [(String, CV -> Bool, SV)]
forall a. [a] -> [a]
reverse ([(String, CV -> Bool, SV)] -> [(String, CV -> Bool, SV)])
-> (Seq (Name, CV -> Bool, SV) -> [(String, CV -> Bool, SV)])
-> Seq (Name, CV -> Bool, SV)
-> [(String, CV -> Bool, SV)]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((Name, CV -> Bool, SV) -> (String, CV -> Bool, SV))
-> [(Name, CV -> Bool, SV)] -> [(String, CV -> Bool, SV)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (\(Name
n,CV -> Bool
f,SV
sv) -> (Name -> String
T.unpack Name
n, CV -> Bool
f, SV
sv)) ([(Name, CV -> Bool, SV)] -> [(String, CV -> Bool, SV)])
-> (Seq (Name, CV -> Bool, SV) -> [(Name, CV -> Bool, SV)])
-> Seq (Name, CV -> Bool, SV)
-> [(String, CV -> Bool, SV)]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Seq (Name, CV -> Bool, SV) -> [(Name, CV -> Bool, SV)]
forall (t :: * -> *) a. Foldable t => t a -> [a]
F.toList
                  (Seq (Name, CV -> Bool, SV) -> [(String, CV -> Bool, SV)])
-> IO (Seq (Name, CV -> Bool, SV)) -> IO [(String, CV -> Bool, SV)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef (Seq (Name, CV -> Bool, SV))
-> IO (Seq (Name, CV -> Bool, SV))
forall a. IORef a -> IO a
readIORef IORef (Seq (Name, CV -> Bool, SV))
observes
   Seq (Bool, [(String, String)], SV)
extraCstrs  <- IORef (Seq (Bool, [(String, String)], SV))
-> IO (Seq (Bool, [(String, String)], SV))
forall a. IORef a -> IO a
readIORef IORef (Seq (Bool, [(String, String)], SV))
cstrs
   [(String, Maybe CallStack, SV)]
assertions  <- [(String, Maybe CallStack, SV)] -> [(String, Maybe CallStack, SV)]
forall a. [a] -> [a]
reverse ([(String, Maybe CallStack, SV)]
 -> [(String, Maybe CallStack, SV)])
-> IO [(String, Maybe CallStack, SV)]
-> IO [(String, Maybe CallStack, SV)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IORef [(String, Maybe CallStack, SV)]
-> IO [(String, Maybe CallStack, SV)]
forall a. IORef a -> IO a
readIORef IORef [(String, Maybe CallStack, SV)]
asserts

   Result -> IO Result
forall (m :: * -> *) a. Monad m => a -> m a
return (Result -> IO Result) -> Result -> IO Result
forall a b. (a -> b) -> a -> b
$ Set Kind
-> [(String, CV)]
-> [(String, CV -> Bool, SV)]
-> [(String, [String])]
-> ([(Quantifier, NamedSymVar)], [NamedSymVar])
-> (CnstMap, [(SV, CV)])
-> [((Int, Kind, Kind), [SV])]
-> [(Int, ArrayInfo)]
-> [(String, SBVType)]
-> [(Bool, String, [String])]
-> SBVPgm
-> Seq (Bool, [(String, String)], SV)
-> [(String, Maybe CallStack, SV)]
-> [SV]
-> Result
Result Set Kind
knds [(String, CV)]
traceVals [(String, CV -> Bool, SV)]
observables [(String, [String])]
cgMap ([(Quantifier, NamedSymVar)], [NamedSymVar])
inpsO (CnstMap
constMap, [(SV, CV)]
cnsts) [((Int, Kind, Kind), [SV])]
tbls [(Int, ArrayInfo)]
arrs [(String, SBVType)]
unint [(Bool, String, [String])]
axs (Seq (SV, SBVExpr) -> SBVPgm
SBVPgm Seq (SV, SBVExpr)
rpgm) Seq (Bool, [(String, String)], SV)
extraCstrs [(String, Maybe CallStack, SV)]
assertions [SV]
outsO

-- | Generalization of 'Data.SBV.addNewSMTOption'
addNewSMTOption :: MonadSymbolic m => SMTOption -> m ()
addNewSMTOption :: SMTOption -> m ()
addNewSMTOption SMTOption
o = do State
st <- m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv
                       IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ State
-> (State -> IORef [SMTOption])
-> ([SMTOption] -> [SMTOption])
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef [SMTOption]
rSMTOptions (SMTOption
oSMTOption -> [SMTOption] -> [SMTOption]
forall a. a -> [a] -> [a]
:) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())

-- | Generalization of 'Data.SBV.imposeConstraint'
imposeConstraint :: MonadSymbolic m => Bool -> [(String, String)] -> SVal -> m ()
imposeConstraint :: Bool -> [(String, String)] -> SVal -> m ()
imposeConstraint Bool
isSoft [(String, String)]
attrs SVal
c = do State
st <- m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv
                                     SBVRunMode
rm <- IO SBVRunMode -> m SBVRunMode
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SBVRunMode -> m SBVRunMode) -> IO SBVRunMode -> m SBVRunMode
forall a b. (a -> b) -> a -> b
$ IORef SBVRunMode -> IO SBVRunMode
forall a. IORef a -> IO a
readIORef (State -> IORef SBVRunMode
runMode State
st)

                                     case SBVRunMode
rm of
                                       SBVRunMode
CodeGen -> String -> m ()
forall a. HasCallStack => String -> a
error String
"SBV: constraints are not allowed in code-generation"
                                       SBVRunMode
_       -> IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ do (String -> IO ()) -> [String] -> IO ()
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
(a -> m b) -> t a -> m ()
mapM_ (String -> State -> String -> IO ()
registerLabel String
"Constraint" State
st) [String
nm | (String
":named",  String
nm) <- [(String, String)]
attrs]
                                                              State -> Bool -> [(String, String)] -> SVal -> IO ()
internalConstraint State
st Bool
isSoft [(String, String)]
attrs SVal
c

-- | Require a boolean condition to be true in the state. Only used for internal purposes.
internalConstraint :: State -> Bool -> [(String, String)] -> SVal -> IO ()
internalConstraint :: State -> Bool -> [(String, String)] -> SVal -> IO ()
internalConstraint State
st Bool
isSoft [(String, String)]
attrs SVal
b = do SV
v <- State -> SVal -> IO SV
svToSV State
st SVal
b

                                          SBVRunMode
rm <- IO SBVRunMode -> IO SBVRunMode
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SBVRunMode -> IO SBVRunMode) -> IO SBVRunMode -> IO SBVRunMode
forall a b. (a -> b) -> a -> b
$ IORef SBVRunMode -> IO SBVRunMode
forall a. IORef a -> IO a
readIORef (State -> IORef SBVRunMode
runMode State
st)

                                          -- Are we running validation? If so, we always want to
                                          -- add the constraint for debug purposes. Otherwie
                                          -- we only add it if it's interesting; i.e., not directly
                                          -- true or has some attributes.
                                          let isValidating :: Bool
isValidating = case SBVRunMode
rm of
                                                               SMTMode QueryContext
_ IStage
_ Bool
_ SMTConfig
cfg -> SMTConfig -> Bool
validationRequested SMTConfig
cfg
                                                               SBVRunMode
CodeGen           -> Bool
False
                                                               Concrete Maybe (Bool, [((Quantifier, NamedSymVar), Maybe CV)])
Nothing  -> Bool
False
                                                               Concrete (Just (Bool, [((Quantifier, NamedSymVar), Maybe CV)])
_) -> Bool
True   -- The case when we *are* running the validation

                                          let c :: (Bool, [(String, String)], SV)
c           = (Bool
isSoft, [(String, String)]
attrs, SV
v)
                                              interesting :: Bool
interesting = SV
v SV -> SV -> Bool
forall a. Eq a => a -> a -> Bool
/= SV
trueSV Bool -> Bool -> Bool
|| Bool -> Bool
not ([(String, String)] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [(String, String)]
attrs)

                                          Bool -> IO () -> IO ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Bool
isValidating Bool -> Bool -> Bool
|| Bool
interesting) (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$
                                               State
-> (State -> IORef (Seq (Bool, [(String, String)], SV)))
-> (Seq (Bool, [(String, String)], SV)
    -> Seq (Bool, [(String, String)], SV))
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef (Seq (Bool, [(String, String)], SV))
rConstraints (Seq (Bool, [(String, String)], SV)
-> (Bool, [(String, String)], SV)
-> Seq (Bool, [(String, String)], SV)
forall a. Seq a -> a -> Seq a
S.|> (Bool, [(String, String)], SV)
c)
                                                            (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ State
-> (IncState -> IORef (Seq (Bool, [(String, String)], SV)))
-> (Seq (Bool, [(String, String)], SV)
    -> Seq (Bool, [(String, String)], SV))
-> IO ()
forall a. State -> (IncState -> IORef a) -> (a -> a) -> IO ()
modifyIncState State
st IncState -> IORef (Seq (Bool, [(String, String)], SV))
rNewConstraints (Seq (Bool, [(String, String)], SV)
-> (Bool, [(String, String)], SV)
-> Seq (Bool, [(String, String)], SV)
forall a. Seq a -> a -> Seq a
S.|> (Bool, [(String, String)], SV)
c)

-- | Generalization of 'Data.SBV.addSValOptGoal'
addSValOptGoal :: MonadSymbolic m => Objective SVal -> m ()
addSValOptGoal :: Objective SVal -> m ()
addSValOptGoal Objective SVal
obj = do State
st <- m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv

                        -- create the tracking variable here for the metric
                        let mkGoal :: String -> SVal -> m (SV, SV)
mkGoal String
nm SVal
orig = IO (SV, SV) -> m (SV, SV)
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO (SV, SV) -> m (SV, SV)) -> IO (SV, SV) -> m (SV, SV)
forall a b. (a -> b) -> a -> b
$ do SV
origSV  <- State -> SVal -> IO SV
svToSV State
st SVal
orig
                                                         SVal
track   <- Kind -> String -> State -> IO SVal
svMkTrackerVar (SVal -> Kind
forall a. HasKind a => a -> Kind
kindOf SVal
orig) String
nm State
st
                                                         SV
trackSV <- State -> SVal -> IO SV
svToSV State
st SVal
track
                                                         (SV, SV) -> IO (SV, SV)
forall (m :: * -> *) a. Monad m => a -> m a
return (SV
origSV, SV
trackSV)

                        let walk :: Objective SVal -> m (Objective (SV, SV))
walk (Minimize          String
nm SVal
v)     = String -> (SV, SV) -> Objective (SV, SV)
forall a. String -> a -> Objective a
Minimize String
nm                     ((SV, SV) -> Objective (SV, SV))
-> m (SV, SV) -> m (Objective (SV, SV))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> String -> SVal -> m (SV, SV)
mkGoal String
nm SVal
v
                            walk (Maximize          String
nm SVal
v)     = String -> (SV, SV) -> Objective (SV, SV)
forall a. String -> a -> Objective a
Maximize String
nm                     ((SV, SV) -> Objective (SV, SV))
-> m (SV, SV) -> m (Objective (SV, SV))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> String -> SVal -> m (SV, SV)
mkGoal String
nm SVal
v
                            walk (AssertWithPenalty String
nm SVal
v Penalty
mbP) = ((SV, SV) -> Penalty -> Objective (SV, SV))
-> Penalty -> (SV, SV) -> Objective (SV, SV)
forall a b c. (a -> b -> c) -> b -> a -> c
flip (String -> (SV, SV) -> Penalty -> Objective (SV, SV)
forall a. String -> a -> Penalty -> Objective a
AssertWithPenalty String
nm) Penalty
mbP ((SV, SV) -> Objective (SV, SV))
-> m (SV, SV) -> m (Objective (SV, SV))
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> String -> SVal -> m (SV, SV)
mkGoal String
nm SVal
v

                        !Objective (SV, SV)
obj' <- Objective SVal -> m (Objective (SV, SV))
walk Objective SVal
obj
                        IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ State
-> (State -> IORef [Objective (SV, SV)])
-> ([Objective (SV, SV)] -> [Objective (SV, SV)])
-> IO ()
-> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef [Objective (SV, SV)]
rOptGoals (Objective (SV, SV)
obj' Objective (SV, SV) -> [Objective (SV, SV)] -> [Objective (SV, SV)]
forall a. a -> [a] -> [a]
:)
                                           (IO () -> IO ()) -> IO () -> IO ()
forall a b. (a -> b) -> a -> b
$ [String] -> IO ()
forall a. [String] -> a
noInteractive [ String
"Adding an optimization objective:"
                                                           , String
"  Objective: " String -> ShowS
forall a. [a] -> [a] -> [a]
++ Objective SVal -> String
forall a. Show a => a -> String
show Objective SVal
obj
                                                           ]

-- | Generalization of 'Data.SBV.outputSVal'
outputSVal :: MonadSymbolic m => SVal -> m ()
outputSVal :: SVal -> m ()
outputSVal (SVal Kind
_ (Left CV
c)) = do
  State
st <- m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv
  SV
sv <- IO SV -> m SV
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SV -> m SV) -> IO SV -> m SV
forall a b. (a -> b) -> a -> b
$ State -> CV -> IO SV
newConst State
st CV
c
  IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ State -> (State -> IORef [SV]) -> ([SV] -> [SV]) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef [SV]
routs (SV
svSV -> [SV] -> [SV]
forall a. a -> [a] -> [a]
:) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())
outputSVal (SVal Kind
_ (Right Cached SV
f)) = do
  State
st <- m State
forall (m :: * -> *). MonadSymbolic m => m State
symbolicEnv
  SV
sv <- IO SV -> m SV
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO SV -> m SV) -> IO SV -> m SV
forall a b. (a -> b) -> a -> b
$ Cached SV -> State -> IO SV
uncache Cached SV
f State
st
  IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ State -> (State -> IORef [SV]) -> ([SV] -> [SV]) -> IO () -> IO ()
forall a. State -> (State -> IORef a) -> (a -> a) -> IO () -> IO ()
modifyState State
st State -> IORef [SV]
routs (SV
svSV -> [SV] -> [SV]
forall a. a -> [a] -> [a]
:) (() -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ())

---------------------------------------------------------------------------------
-- * Cached values
---------------------------------------------------------------------------------

-- | We implement a peculiar caching mechanism, applicable to the use case in
-- implementation of SBV's.  Whenever we do a state based computation, we do
-- not want to keep on evaluating it in the then-current state. That will
-- produce essentially a semantically equivalent value. Thus, we want to run
-- it only once, and reuse that result, capturing the sharing at the Haskell
-- level. This is similar to the "type-safe observable sharing" work, but also
-- takes into the account of how symbolic simulation executes.
--
-- See Andy Gill's type-safe observable sharing trick for the inspiration behind
-- this technique: <http://ku-fpg.github.io/files/Gill-09-TypeSafeReification.pdf>
--
-- Note that this is *not* a general memo utility!
newtype Cached a = Cached (State -> IO a)

-- | Cache a state-based computation
cache :: (State -> IO a) -> Cached a
cache :: (State -> IO a) -> Cached a
cache = (State -> IO a) -> Cached a
forall a. (State -> IO a) -> Cached a
Cached

-- | Uncache a previously cached computation
uncache :: Cached SV -> State -> IO SV
uncache :: Cached SV -> State -> IO SV
uncache = (State -> IORef (Cache SV)) -> Cached SV -> State -> IO SV
forall a. (State -> IORef (Cache a)) -> Cached a -> State -> IO a
uncacheGen State -> IORef (Cache SV)
rSVCache

-- | An SMT array index is simply an int value
newtype ArrayIndex = ArrayIndex { ArrayIndex -> Int
unArrayIndex :: Int } deriving (ArrayIndex -> ArrayIndex -> Bool
(ArrayIndex -> ArrayIndex -> Bool)
-> (ArrayIndex -> ArrayIndex -> Bool) -> Eq ArrayIndex
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ArrayIndex -> ArrayIndex -> Bool
$c/= :: ArrayIndex -> ArrayIndex -> Bool
== :: ArrayIndex -> ArrayIndex -> Bool
$c== :: ArrayIndex -> ArrayIndex -> Bool
Eq, Eq ArrayIndex
Eq ArrayIndex
-> (ArrayIndex -> ArrayIndex -> Ordering)
-> (ArrayIndex -> ArrayIndex -> Bool)
-> (ArrayIndex -> ArrayIndex -> Bool)
-> (ArrayIndex -> ArrayIndex -> Bool)
-> (ArrayIndex -> ArrayIndex -> Bool)
-> (ArrayIndex -> ArrayIndex -> ArrayIndex)
-> (ArrayIndex -> ArrayIndex -> ArrayIndex)
-> Ord ArrayIndex
ArrayIndex -> ArrayIndex -> Bool
ArrayIndex -> ArrayIndex -> Ordering
ArrayIndex -> ArrayIndex -> ArrayIndex
forall a.
Eq a
-> (a -> a -> Ordering)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> Bool)
-> (a -> a -> a)
-> (a -> a -> a)
-> Ord a
min :: ArrayIndex -> ArrayIndex -> ArrayIndex
$cmin :: ArrayIndex -> ArrayIndex -> ArrayIndex
max :: ArrayIndex -> ArrayIndex -> ArrayIndex
$cmax :: ArrayIndex -> ArrayIndex -> ArrayIndex
>= :: ArrayIndex -> ArrayIndex -> Bool
$c>= :: ArrayIndex -> ArrayIndex -> Bool
> :: ArrayIndex -> ArrayIndex -> Bool
$c> :: ArrayIndex -> ArrayIndex -> Bool
<= :: ArrayIndex -> ArrayIndex -> Bool
$c<= :: ArrayIndex -> ArrayIndex -> Bool
< :: ArrayIndex -> ArrayIndex -> Bool
$c< :: ArrayIndex -> ArrayIndex -> Bool
compare :: ArrayIndex -> ArrayIndex -> Ordering
$ccompare :: ArrayIndex -> ArrayIndex -> Ordering
$cp1Ord :: Eq ArrayIndex
Ord, Typeable ArrayIndex
DataType
Constr
Typeable ArrayIndex
-> (forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> ArrayIndex -> c ArrayIndex)
-> (forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c ArrayIndex)
-> (ArrayIndex -> Constr)
-> (ArrayIndex -> DataType)
-> (forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c ArrayIndex))
-> (forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e))
    -> Maybe (c ArrayIndex))
-> ((forall b. Data b => b -> b) -> ArrayIndex -> ArrayIndex)
-> (forall r r'.
    (r -> r' -> r)
    -> r -> (forall d. Data d => d -> r') -> ArrayIndex -> r)
-> (forall r r'.
    (r' -> r -> r)
    -> r -> (forall d. Data d => d -> r') -> ArrayIndex -> r)
-> (forall u. (forall d. Data d => d -> u) -> ArrayIndex -> [u])
-> (forall u.
    Int -> (forall d. Data d => d -> u) -> ArrayIndex -> u)
-> (forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex)
-> Data ArrayIndex
ArrayIndex -> DataType
ArrayIndex -> Constr
(forall b. Data b => b -> b) -> ArrayIndex -> ArrayIndex
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> ArrayIndex -> c ArrayIndex
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c ArrayIndex
forall a.
Typeable a
-> (forall (c :: * -> *).
    (forall d b. Data d => c (d -> b) -> d -> c b)
    -> (forall g. g -> c g) -> a -> c a)
-> (forall (c :: * -> *).
    (forall b r. Data b => c (b -> r) -> c r)
    -> (forall r. r -> c r) -> Constr -> c a)
-> (a -> Constr)
-> (a -> DataType)
-> (forall (t :: * -> *) (c :: * -> *).
    Typeable t =>
    (forall d. Data d => c (t d)) -> Maybe (c a))
-> (forall (t :: * -> * -> *) (c :: * -> *).
    Typeable t =>
    (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c a))
-> ((forall b. Data b => b -> b) -> a -> a)
-> (forall r r'.
    (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> a -> r)
-> (forall r r'.
    (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> a -> r)
-> (forall u. (forall d. Data d => d -> u) -> a -> [u])
-> (forall u. Int -> (forall d. Data d => d -> u) -> a -> u)
-> (forall (m :: * -> *).
    Monad m =>
    (forall d. Data d => d -> m d) -> a -> m a)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> a -> m a)
-> (forall (m :: * -> *).
    MonadPlus m =>
    (forall d. Data d => d -> m d) -> a -> m a)
-> Data a
forall u. Int -> (forall d. Data d => d -> u) -> ArrayIndex -> u
forall u. (forall d. Data d => d -> u) -> ArrayIndex -> [u]
forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> ArrayIndex -> r
forall r r'.
(r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> ArrayIndex -> r
forall (m :: * -> *).
Monad m =>
(forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex
forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex
forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c ArrayIndex
forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> ArrayIndex -> c ArrayIndex
forall (t :: * -> *) (c :: * -> *).
Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c ArrayIndex)
forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c ArrayIndex)
$cArrayIndex :: Constr
$tArrayIndex :: DataType
gmapMo :: (forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex
$cgmapMo :: forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex
gmapMp :: (forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex
$cgmapMp :: forall (m :: * -> *).
MonadPlus m =>
(forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex
gmapM :: (forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex
$cgmapM :: forall (m :: * -> *).
Monad m =>
(forall d. Data d => d -> m d) -> ArrayIndex -> m ArrayIndex
gmapQi :: Int -> (forall d. Data d => d -> u) -> ArrayIndex -> u
$cgmapQi :: forall u. Int -> (forall d. Data d => d -> u) -> ArrayIndex -> u
gmapQ :: (forall d. Data d => d -> u) -> ArrayIndex -> [u]
$cgmapQ :: forall u. (forall d. Data d => d -> u) -> ArrayIndex -> [u]
gmapQr :: (r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> ArrayIndex -> r
$cgmapQr :: forall r r'.
(r' -> r -> r)
-> r -> (forall d. Data d => d -> r') -> ArrayIndex -> r
gmapQl :: (r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> ArrayIndex -> r
$cgmapQl :: forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> ArrayIndex -> r
gmapT :: (forall b. Data b => b -> b) -> ArrayIndex -> ArrayIndex
$cgmapT :: (forall b. Data b => b -> b) -> ArrayIndex -> ArrayIndex
dataCast2 :: (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c ArrayIndex)
$cdataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c ArrayIndex)
dataCast1 :: (forall d. Data d => c (t d)) -> Maybe (c ArrayIndex)
$cdataCast1 :: forall (t :: * -> *) (c :: * -> *).
Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c ArrayIndex)
dataTypeOf :: ArrayIndex -> DataType
$cdataTypeOf :: ArrayIndex -> DataType
toConstr :: ArrayIndex -> Constr
$ctoConstr :: ArrayIndex -> Constr
gunfold :: (forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c ArrayIndex
$cgunfold :: forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c ArrayIndex
gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> ArrayIndex -> c ArrayIndex
$cgfoldl :: forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> ArrayIndex -> c ArrayIndex
$cp1Data :: Typeable ArrayIndex
G.Data)

-- | We simply show indexes as the underlying integer
instance Show ArrayIndex where
  show :: ArrayIndex -> String
show (ArrayIndex Int
i) = Int -> String
forall a. Show a => a -> String
show Int
i

-- | Uncache, retrieving SMT array indexes
uncacheAI :: Cached ArrayIndex -> State -> IO ArrayIndex
uncacheAI :: Cached ArrayIndex -> State -> IO ArrayIndex
uncacheAI = (State -> IORef (Cache ArrayIndex))
-> Cached ArrayIndex -> State -> IO ArrayIndex
forall a. (State -> IORef (Cache a)) -> Cached a -> State -> IO a
uncacheGen State -> IORef (Cache ArrayIndex)
rAICache

-- | Generic uncaching. Note that this is entirely safe, since we do it in the IO monad.
uncacheGen :: (State -> IORef (Cache a)) -> Cached a -> State -> IO a
uncacheGen :: (State -> IORef (Cache a)) -> Cached a -> State -> IO a
uncacheGen State -> IORef (Cache a)
getCache (Cached State -> IO a
f) State
st = do
        let rCache :: IORef (Cache a)
rCache = State -> IORef (Cache a)
getCache State
st
        Cache a
stored <- IORef (Cache a) -> IO (Cache a)
forall a. IORef a -> IO a
readIORef IORef (Cache a)
rCache
        StableName (State -> IO a)
sn <- State -> IO a
f (State -> IO a)
-> IO (StableName (State -> IO a))
-> IO (StableName (State -> IO a))
`seq` (State -> IO a) -> IO (StableName (State -> IO a))
forall a. a -> IO (StableName a)
makeStableName State -> IO a
f
        let h :: Int
h = StableName (State -> IO a) -> Int
forall a. StableName a -> Int
hashStableName StableName (State -> IO a)
sn
        case (Int
h Int -> Cache a -> Maybe [(StableName (State -> IO a), a)]
forall a. Int -> IntMap a -> Maybe a
`IMap.lookup` Cache a
stored) Maybe [(StableName (State -> IO a), a)]
-> ([(StableName (State -> IO a), a)] -> Maybe a) -> Maybe a
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= (StableName (State -> IO a)
sn StableName (State -> IO a)
-> [(StableName (State -> IO a), a)] -> Maybe a
forall a b. Eq a => a -> [(a, b)] -> Maybe b
`lookup`) of
          Just a
r  -> a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return a
r
          Maybe a
Nothing -> do a
r <- State -> IO a
f State
st
                        a
r a -> IO () -> IO ()
`seq` IORef (Cache a) -> (Cache a -> Cache a) -> IO ()
forall a. IORef a -> (a -> a) -> IO ()
R.modifyIORef' IORef (Cache a)
rCache (([(StableName (State -> IO a), a)]
 -> [(StableName (State -> IO a), a)]
 -> [(StableName (State -> IO a), a)])
-> Int -> [(StableName (State -> IO a), a)] -> Cache a -> Cache a
forall a. (a -> a -> a) -> Int -> a -> IntMap a -> IntMap a
IMap.insertWith [(StableName (State -> IO a), a)]
-> [(StableName (State -> IO a), a)]
-> [(StableName (State -> IO a), a)]
forall a. [a] -> [a] -> [a]
(++) Int
h [(StableName (State -> IO a)
sn, a
r)])
                        a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return a
r

-- | Representation of SMTLib Program versions. As of June 2015, we're dropping support
-- for SMTLib1, and supporting SMTLib2 only. We keep this data-type around in case
-- SMTLib3 comes along and we want to support 2 and 3 simultaneously.
data SMTLibVersion = SMTLib2
                   deriving (SMTLibVersion
SMTLibVersion -> SMTLibVersion -> Bounded SMTLibVersion
forall a. a -> a -> Bounded a
maxBound :: SMTLibVersion
$cmaxBound :: SMTLibVersion
minBound :: SMTLibVersion
$cminBound :: SMTLibVersion
Bounded, Int -> SMTLibVersion
SMTLibVersion -> Int
SMTLibVersion -> [SMTLibVersion]
SMTLibVersion -> SMTLibVersion
SMTLibVersion -> SMTLibVersion -> [SMTLibVersion]
SMTLibVersion -> SMTLibVersion -> SMTLibVersion -> [SMTLibVersion]
(SMTLibVersion -> SMTLibVersion)
-> (SMTLibVersion -> SMTLibVersion)
-> (Int -> SMTLibVersion)
-> (SMTLibVersion -> Int)
-> (SMTLibVersion -> [SMTLibVersion])
-> (SMTLibVersion -> SMTLibVersion -> [SMTLibVersion])
-> (SMTLibVersion -> SMTLibVersion -> [SMTLibVersion])
-> (SMTLibVersion
    -> SMTLibVersion -> SMTLibVersion -> [SMTLibVersion])
-> Enum SMTLibVersion
forall a.
(a -> a)
-> (a -> a)
-> (Int -> a)
-> (a -> Int)
-> (a -> [a])
-> (a -> a -> [a])
-> (a -> a -> [a])
-> (a -> a -> a -> [a])
-> Enum a
enumFromThenTo :: SMTLibVersion -> SMTLibVersion -> SMTLibVersion -> [SMTLibVersion]
$cenumFromThenTo :: SMTLibVersion -> SMTLibVersion -> SMTLibVersion -> [SMTLibVersion]
enumFromTo :: SMTLibVersion -> SMTLibVersion -> [SMTLibVersion]
$cenumFromTo :: SMTLibVersion -> SMTLibVersion -> [SMTLibVersion]
enumFromThen :: SMTLibVersion -> SMTLibVersion -> [SMTLibVersion]
$cenumFromThen :: SMTLibVersion -> SMTLibVersion -> [SMTLibVersion]
enumFrom :: SMTLibVersion -> [SMTLibVersion]
$cenumFrom :: SMTLibVersion -> [SMTLibVersion]
fromEnum :: SMTLibVersion -> Int
$cfromEnum :: SMTLibVersion -> Int
toEnum :: Int -> SMTLibVersion
$ctoEnum :: Int -> SMTLibVersion
pred :: SMTLibVersion -> SMTLibVersion
$cpred :: SMTLibVersion -> SMTLibVersion
succ :: SMTLibVersion -> SMTLibVersion
$csucc :: SMTLibVersion -> SMTLibVersion
Enum, SMTLibVersion -> SMTLibVersion -> Bool
(SMTLibVersion -> SMTLibVersion -> Bool)
-> (SMTLibVersion -> SMTLibVersion -> Bool) -> Eq SMTLibVersion
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: SMTLibVersion -> SMTLibVersion -> Bool
$c/= :: SMTLibVersion -> SMTLibVersion -> Bool
== :: SMTLibVersion -> SMTLibVersion -> Bool
$c== :: SMTLibVersion -> SMTLibVersion -> Bool
Eq, Int -> SMTLibVersion -> ShowS
[SMTLibVersion] -> ShowS
SMTLibVersion -> String
(Int -> SMTLibVersion -> ShowS)
-> (SMTLibVersion -> String)
-> ([SMTLibVersion] -> ShowS)
-> Show SMTLibVersion
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [SMTLibVersion] -> ShowS
$cshowList :: [SMTLibVersion] -> ShowS
show :: SMTLibVersion -> String
$cshow :: SMTLibVersion -> String
showsPrec :: Int -> SMTLibVersion -> ShowS
$cshowsPrec :: Int -> SMTLibVersion -> ShowS
Show)

-- | The extension associated with the version
smtLibVersionExtension :: SMTLibVersion -> String
smtLibVersionExtension :: SMTLibVersion -> String
smtLibVersionExtension SMTLibVersion
SMTLib2 = String
"smt2"

-- | Representation of an SMT-Lib program. In between pre and post goes the refuted models
data SMTLibPgm = SMTLibPgm SMTLibVersion [String]

instance NFData SMTLibVersion where rnf :: SMTLibVersion -> ()
rnf SMTLibVersion
a               = SMTLibVersion
a SMTLibVersion -> () -> ()
`seq` ()
instance NFData SMTLibPgm     where rnf :: SMTLibPgm -> ()
rnf (SMTLibPgm SMTLibVersion
v [String]
p) = SMTLibVersion -> ()
forall a. NFData a => a -> ()
rnf SMTLibVersion
v () -> () -> ()
`seq` [String] -> ()
forall a. NFData a => a -> ()
rnf [String]
p

instance Show SMTLibPgm where
  show :: SMTLibPgm -> String
show (SMTLibPgm SMTLibVersion
_ [String]
pre) = String -> [String] -> String
forall a. [a] -> [[a]] -> [a]
intercalate String
"\n" [String]
pre

-- Other Technicalities..
instance NFData CV where
  rnf :: CV -> ()
rnf (CV Kind
x CVal
y) = Kind
x Kind -> () -> ()
`seq` CVal
y CVal -> () -> ()
`seq` ()

instance NFData GeneralizedCV where
  rnf :: GeneralizedCV -> ()
rnf (ExtendedCV ExtCV
e) = ExtCV
e ExtCV -> () -> ()
`seq` ()
  rnf (RegularCV  CV
c) = CV
c CV -> () -> ()
`seq` ()

#if MIN_VERSION_base(4,9,0)
#else
-- Can't really force this, but not a big deal
instance NFData CallStack where
  rnf _ = ()
#endif

instance NFData NamedSymVar where
  rnf :: NamedSymVar -> ()
rnf (NamedSymVar SV
s Name
n) = SV -> ()
forall a. NFData a => a -> ()
rnf SV
s () -> () -> ()
`seq` Name -> ()
forall a. NFData a => a -> ()
rnf Name
n

instance NFData Result where
  rnf :: Result -> ()
rnf (Result Set Kind
kindInfo [(String, CV)]
qcInfo [(String, CV -> Bool, SV)]
obs [(String, [String])]
cgs ([(Quantifier, NamedSymVar)], [NamedSymVar])
inps (CnstMap, [(SV, CV)])
consts [((Int, Kind, Kind), [SV])]
tbls [(Int, ArrayInfo)]
arrs [(String, SBVType)]
uis [(Bool, String, [String])]
axs SBVPgm
pgm Seq (Bool, [(String, String)], SV)
cstr [(String, Maybe CallStack, SV)]
asserts [SV]
outs)
        = Set Kind -> ()
forall a. NFData a => a -> ()
rnf Set Kind
kindInfo () -> () -> ()
`seq` [(String, CV)] -> ()
forall a. NFData a => a -> ()
rnf [(String, CV)]
qcInfo  () -> () -> ()
`seq` [(String, CV -> Bool, SV)] -> ()
forall a. NFData a => a -> ()
rnf [(String, CV -> Bool, SV)]
obs    () -> () -> ()
`seq` [(String, [String])] -> ()
forall a. NFData a => a -> ()
rnf [(String, [String])]
cgs
                       () -> () -> ()
`seq` ([(Quantifier, NamedSymVar)], [NamedSymVar]) -> ()
forall a. NFData a => a -> ()
rnf ([(Quantifier, NamedSymVar)], [NamedSymVar])
inps    () -> () -> ()
`seq` (CnstMap, [(SV, CV)]) -> ()
forall a. NFData a => a -> ()
rnf (CnstMap, [(SV, CV)])
consts () -> () -> ()
`seq` [((Int, Kind, Kind), [SV])] -> ()
forall a. NFData a => a -> ()
rnf [((Int, Kind, Kind), [SV])]
tbls
                       () -> () -> ()
`seq` [(Int, ArrayInfo)] -> ()
forall a. NFData a => a -> ()
rnf [(Int, ArrayInfo)]
arrs    () -> () -> ()
`seq` [(String, SBVType)] -> ()
forall a. NFData a => a -> ()
rnf [(String, SBVType)]
uis    () -> () -> ()
`seq` [(Bool, String, [String])] -> ()
forall a. NFData a => a -> ()
rnf [(Bool, String, [String])]
axs
                       () -> () -> ()
`seq` SBVPgm -> ()
forall a. NFData a => a -> ()
rnf SBVPgm
pgm     () -> () -> ()
`seq` Seq (Bool, [(String, String)], SV) -> ()
forall a. NFData a => a -> ()
rnf Seq (Bool, [(String, String)], SV)
cstr   () -> () -> ()
`seq` [(String, Maybe CallStack, SV)] -> ()
forall a. NFData a => a -> ()
rnf [(String, Maybe CallStack, SV)]
asserts
                       () -> () -> ()
`seq` [SV] -> ()
forall a. NFData a => a -> ()
rnf [SV]
outs
instance NFData Kind         where rnf :: Kind -> ()
rnf Kind
a          = Kind -> () -> ()
seq Kind
a ()
instance NFData ArrayContext where rnf :: ArrayContext -> ()
rnf ArrayContext
a          = ArrayContext -> () -> ()
seq ArrayContext
a ()
instance NFData SV           where rnf :: SV -> ()
rnf SV
a          = SV -> () -> ()
seq SV
a ()
instance NFData SBVExpr      where rnf :: SBVExpr -> ()
rnf SBVExpr
a          = SBVExpr -> () -> ()
seq SBVExpr
a ()
instance NFData Quantifier   where rnf :: Quantifier -> ()
rnf Quantifier
a          = Quantifier -> () -> ()
seq Quantifier
a ()
instance NFData SBVType      where rnf :: SBVType -> ()
rnf SBVType
a          = SBVType -> () -> ()
seq SBVType
a ()
instance NFData SBVPgm       where rnf :: SBVPgm -> ()
rnf SBVPgm
a          = SBVPgm -> () -> ()
seq SBVPgm
a ()
instance NFData (Cached a)   where rnf :: Cached a -> ()
rnf (Cached State -> IO a
f) = State -> IO a
f (State -> IO a) -> () -> ()
`seq` ()
instance NFData SVal         where rnf :: SVal -> ()
rnf (SVal Kind
x Either CV (Cached SV)
y) = Kind -> ()
forall a. NFData a => a -> ()
rnf Kind
x () -> () -> ()
`seq` Either CV (Cached SV) -> ()
forall a. NFData a => a -> ()
rnf Either CV (Cached SV)
y

instance NFData SMTResult where
  rnf :: SMTResult -> ()
rnf (Unsatisfiable SMTConfig
_   Maybe [String]
m   ) = Maybe [String] -> ()
forall a. NFData a => a -> ()
rnf Maybe [String]
m
  rnf (Satisfiable   SMTConfig
_   SMTModel
m   ) = SMTModel -> ()
forall a. NFData a => a -> ()
rnf SMTModel
m
  rnf (DeltaSat      SMTConfig
_ Maybe String
p SMTModel
m   ) = SMTModel -> ()
forall a. NFData a => a -> ()
rnf SMTModel
m () -> () -> ()
`seq` Maybe String -> ()
forall a. NFData a => a -> ()
rnf Maybe String
p
  rnf (SatExtField   SMTConfig
_   SMTModel
m   ) = SMTModel -> ()
forall a. NFData a => a -> ()
rnf SMTModel
m
  rnf (Unknown       SMTConfig
_   SMTReasonUnknown
m   ) = SMTReasonUnknown -> ()
forall a. NFData a => a -> ()
rnf SMTReasonUnknown
m
  rnf (ProofError    SMTConfig
_   [String]
m Maybe SMTResult
mr) = [String] -> ()
forall a. NFData a => a -> ()
rnf [String]
m () -> () -> ()
`seq` Maybe SMTResult -> ()
forall a. NFData a => a -> ()
rnf Maybe SMTResult
mr

instance NFData SMTModel where
  rnf :: SMTModel -> ()
rnf (SMTModel [(String, GeneralizedCV)]
objs Maybe [((Quantifier, NamedSymVar), Maybe CV)]
bndgs [(String, CV)]
assocs [(String, (SBVType, ([([CV], CV)], CV)))]
uifuns) = [(String, GeneralizedCV)] -> ()
forall a. NFData a => a -> ()
rnf [(String, GeneralizedCV)]
objs () -> () -> ()
`seq` Maybe [((Quantifier, NamedSymVar), Maybe CV)] -> ()
forall a. NFData a => a -> ()
rnf Maybe [((Quantifier, NamedSymVar), Maybe CV)]
bndgs () -> () -> ()
`seq` [(String, CV)] -> ()
forall a. NFData a => a -> ()
rnf [(String, CV)]
assocs () -> () -> ()
`seq` [(String, (SBVType, ([([CV], CV)], CV)))] -> ()
forall a. NFData a => a -> ()
rnf [(String, (SBVType, ([([CV], CV)], CV)))]
uifuns

instance NFData SMTScript where
  rnf :: SMTScript -> ()
rnf (SMTScript String
b [String]
m) = String -> ()
forall a. NFData a => a -> ()
rnf String
b () -> () -> ()
`seq` [String] -> ()
forall a. NFData a => a -> ()
rnf [String]
m

-- | Translation tricks needed for specific capabilities afforded by each solver
data SolverCapabilities = SolverCapabilities {
         SolverCapabilities -> Bool
supportsQuantifiers        :: Bool           -- ^ Supports SMT-Lib2 style quantifiers?
       , SolverCapabilities -> Bool
supportsDefineFun          :: Bool           -- ^ Supports define-fun construct?
       , SolverCapabilities -> Bool
supportsDistinct           :: Bool           -- ^ Supports calls to distinct?
       , SolverCapabilities -> Bool
supportsBitVectors         :: Bool           -- ^ Supports bit-vectors?
       , SolverCapabilities -> Bool
supportsUninterpretedSorts :: Bool           -- ^ Supports SMT-Lib2 style uninterpreted-sorts
       , SolverCapabilities -> Bool
supportsUnboundedInts      :: Bool           -- ^ Supports unbounded integers?
       , SolverCapabilities -> Bool
supportsInt2bv             :: Bool           -- ^ Supports int2bv?
       , SolverCapabilities -> Bool
supportsReals              :: Bool           -- ^ Supports reals?
       , SolverCapabilities -> Bool
supportsApproxReals        :: Bool           -- ^ Supports printing of approximations of reals?
       , SolverCapabilities -> Maybe String
supportsDeltaSat           :: Maybe String   -- ^ Supports delta-satisfiability? (With given precision query)
       , SolverCapabilities -> Bool
supportsIEEE754            :: Bool           -- ^ Supports floating point numbers?
       , SolverCapabilities -> Bool
supportsSets               :: Bool           -- ^ Supports set operations?
       , SolverCapabilities -> Bool
supportsOptimization       :: Bool           -- ^ Supports optimization routines?
       , SolverCapabilities -> Bool
supportsPseudoBooleans     :: Bool           -- ^ Supports pseudo-boolean operations?
       , SolverCapabilities -> Bool
supportsCustomQueries      :: Bool           -- ^ Supports interactive queries per SMT-Lib?
       , SolverCapabilities -> Bool
supportsGlobalDecls        :: Bool           -- ^ Supports global declarations? (Needed for push-pop.)
       , SolverCapabilities -> Bool
supportsDataTypes          :: Bool           -- ^ Supports datatypes?
       , SolverCapabilities -> Bool
supportsDirectAccessors    :: Bool           -- ^ Supports data-type accessors without full ascription?
       , SolverCapabilities -> Maybe [String]
supportsFlattenedModels    :: Maybe [String] -- ^ Supports flattened model output? (With given config lines.)
       }

-- | Solver configuration. See also 'Data.SBV.z3', 'Data.SBV.yices', 'Data.SBV.cvc4', 'Data.SBV.boolector', 'Data.SBV.mathSAT', etc.
-- which are instantiations of this type for those solvers, with reasonable defaults. In particular, custom configuration can be
-- created by varying those values. (Such as @z3{verbose=True}@.)
--
-- Most fields are self explanatory. The notion of precision for printing algebraic reals stems from the fact that such values does
-- not necessarily have finite decimal representations, and hence we have to stop printing at some depth. It is important to
-- emphasize that such values always have infinite precision internally. The issue is merely with how we print such an infinite
-- precision value on the screen. The field 'printRealPrec' controls the printing precision, by specifying the number of digits after
-- the decimal point. The default value is 16, but it can be set to any positive integer.
--
-- When printing, SBV will add the suffix @...@ at the and of a real-value, if the given bound is not sufficient to represent the real-value
-- exactly. Otherwise, the number will be written out in standard decimal notation. Note that SBV will always print the whole value if it
-- is precise (i.e., if it fits in a finite number of digits), regardless of the precision limit. The limit only applies if the representation
-- of the real value is not finite, i.e., if it is not rational.
--
-- The 'printBase' field can be used to print numbers in base 2, 10, or 16.
--
-- The 'crackNum' field can be used to display numbers in detail, all its bits and how they are laid out in memory. Works with all bounded number types
-- (i.e., SWord and SInt), but also with floats. It is particularly useful with floating-point numbers, as it shows you how they are laid out in
-- memory following the IEEE754 rules.
data SMTConfig = SMTConfig {
         SMTConfig -> Bool
verbose                     :: Bool           -- ^ Debug mode
       , SMTConfig -> Timing
timing                      :: Timing         -- ^ Print timing information on how long different phases took (construction, solving, etc.)
       , SMTConfig -> Int
printBase                   :: Int            -- ^ Print integral literals in this base (2, 10, and 16 are supported.)
       , SMTConfig -> Int
printRealPrec               :: Int            -- ^ Print algebraic real values with this precision. (SReal, default: 16)
       , SMTConfig -> Bool
crackNum                    :: Bool           -- ^ For each numeric value, show it in detail in the model with its bits spliced out. Good for floats.
       , SMTConfig -> String
satCmd                      :: String         -- ^ Usually "(check-sat)". However, users might tweak it based on solver characteristics.
       , SMTConfig -> Maybe Int
allSatMaxModelCount         :: Maybe Int      -- ^ In a 'Data.SBV.allSat' call, return at most this many models. If nothing, return all.
       , SMTConfig -> Bool
allSatPrintAlong            :: Bool           -- ^ In a 'Data.SBV.allSat' call, print models as they are found.
       , SMTConfig -> Bool
satTrackUFs                 :: Bool           -- ^ In a 'Data.SBV.sat' call, should we try to extract values of uninterpreted functions?
       , SMTConfig -> String -> Bool
isNonModelVar               :: String -> Bool -- ^ When constructing a model, ignore variables whose name satisfy this predicate. (Default: (const False), i.e., don't ignore anything)
       , SMTConfig -> Bool
validateModel               :: Bool           -- ^ If set, SBV will attempt to validate the model it gets back from the solver.
       , SMTConfig -> Bool
optimizeValidateConstraints :: Bool           -- ^ Validate optimization results. NB: Does NOT make sure the model is optimal, just checks they satisfy the constraints.
       , SMTConfig -> Maybe String
transcript                  :: Maybe FilePath -- ^ If Just, the entire interaction will be recorded as a playable file (for debugging purposes mostly)
       , SMTConfig -> SMTLibVersion
smtLibVersion               :: SMTLibVersion  -- ^ What version of SMT-lib we use for the tool
       , SMTConfig -> Maybe Double
dsatPrecision               :: Maybe Double   -- ^ Delta-sat precision
       , SMTConfig -> SMTSolver
solver                      :: SMTSolver      -- ^ The actual SMT solver.
       , SMTConfig -> [String]
extraArgs                   :: [String]       -- ^ Extra command line arguments to pass to the solver.
       , SMTConfig -> Bool
allowQuantifiedQueries      :: Bool           -- ^ Should we permit use of quantifiers in the query mode? (Default: False. See <http://github.com/LeventErkok/sbv/issues/459> for why.)
       , SMTConfig -> RoundingMode
roundingMode                :: RoundingMode   -- ^ Rounding mode to use for floating-point conversions
       , SMTConfig -> [SMTOption]
solverSetOptions            :: [SMTOption]    -- ^ Options to set as we start the solver
       , SMTConfig -> Bool
ignoreExitCode              :: Bool           -- ^ If true, we shall ignore the exit code upon exit. Otherwise we require ExitSuccess.
       , SMTConfig -> Maybe String
redirectVerbose             :: Maybe FilePath -- ^ Redirect the verbose output to this file if given. If Nothing, stdout is implied.
       }

-- | We show the name of the solver for the config. Arguably this is misleading, but better than nothing.
instance Show SMTConfig where
  show :: SMTConfig -> String
show = Solver -> String
forall a. Show a => a -> String
show (Solver -> String) -> (SMTConfig -> Solver) -> SMTConfig -> String
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SMTSolver -> Solver
name (SMTSolver -> Solver)
-> (SMTConfig -> SMTSolver) -> SMTConfig -> Solver
forall b c a. (b -> c) -> (a -> b) -> a -> c
. SMTConfig -> SMTSolver
solver

-- | Returns true if we have to perform validation
validationRequested :: SMTConfig -> Bool
validationRequested :: SMTConfig -> Bool
validationRequested SMTConfig{Bool
validateModel :: Bool
validateModel :: SMTConfig -> Bool
validateModel, Bool
optimizeValidateConstraints :: Bool
optimizeValidateConstraints :: SMTConfig -> Bool
optimizeValidateConstraints} = Bool
validateModel Bool -> Bool -> Bool
|| Bool
optimizeValidateConstraints

-- We're just seq'ing top-level here, it shouldn't really matter. (i.e., no need to go deeper.)
instance NFData SMTConfig where
  rnf :: SMTConfig -> ()
rnf SMTConfig{} = ()

-- | A model, as returned by a solver
data SMTModel = SMTModel {
       SMTModel -> [(String, GeneralizedCV)]
modelObjectives :: [(String, GeneralizedCV)]                     -- ^ Mapping of symbolic values to objective values.
     , SMTModel -> Maybe [((Quantifier, NamedSymVar), Maybe CV)]
modelBindings   :: Maybe [((Quantifier, NamedSymVar), Maybe CV)] -- ^ Mapping of input variables as reported by the solver. Only collected if model validation is requested.
     , SMTModel -> [(String, CV)]
modelAssocs     :: [(String, CV)]                                -- ^ Mapping of symbolic values to constants.
     , SMTModel -> [(String, (SBVType, ([([CV], CV)], CV)))]
modelUIFuns     :: [(String, (SBVType, ([([CV], CV)], CV)))]     -- ^ Mapping of uninterpreted functions to association lists in the model.
                                                                        -- Note that an uninterpreted constant (function of arity 0) will be stored
                                                                        -- in the 'modelAssocs' field.
     }
     deriving Int -> SMTModel -> ShowS
[SMTModel] -> ShowS
SMTModel -> String
(Int -> SMTModel -> ShowS)
-> (SMTModel -> String) -> ([SMTModel] -> ShowS) -> Show SMTModel
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Show

-- | The result of an SMT solver call. Each constructor is tagged with
-- the 'SMTConfig' that created it so that further tools can inspect it
-- and build layers of results, if needed. For ordinary uses of the library,
-- this type should not be needed, instead use the accessor functions on
-- it. (Custom Show instances and model extractors.)
data SMTResult = Unsatisfiable SMTConfig (Maybe [String])            -- ^ Unsatisfiable. If unsat-cores are enabled, they will be returned in the second parameter.
               | Satisfiable   SMTConfig SMTModel                    -- ^ Satisfiable with model
               | DeltaSat      SMTConfig (Maybe String) SMTModel     -- ^ Delta satisfiable with queried string if available and model
               | SatExtField   SMTConfig SMTModel                    -- ^ Prover returned a model, but in an extension field containing Infinite/epsilon
               | Unknown       SMTConfig SMTReasonUnknown            -- ^ Prover returned unknown, with the given reason
               | ProofError    SMTConfig [String] (Maybe SMTResult)  -- ^ Prover errored out, with possibly a bogus result

-- | A script, to be passed to the solver.
data SMTScript = SMTScript {
          SMTScript -> String
scriptBody  :: String   -- ^ Initial feed
        , SMTScript -> [String]
scriptModel :: [String] -- ^ Continuation script, to extract results
        }

-- | An SMT engine
type SMTEngine =  forall res.
                  SMTConfig         -- ^ current configuration
               -> State             -- ^ the state in which to run the engine
               -> String            -- ^ program
               -> (State -> IO res) -- ^ continuation
               -> IO res

-- | Solvers that SBV is aware of
data Solver = ABC
            | Boolector
            | Bitwuzla
            | CVC4
            | CVC5
            | DReal
            | MathSAT
            | Yices
            | Z3
            deriving (Int -> Solver -> ShowS
[Solver] -> ShowS
Solver -> String
(Int -> Solver -> ShowS)
-> (Solver -> String) -> ([Solver] -> ShowS) -> Show Solver
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$cenumFromThen :: Solver -> Solver -> [Solver]
enumFrom :: Solver -> [Solver]
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fromEnum :: Solver -> Int
$cfromEnum :: Solver -> Int
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$ctoEnum :: Int -> Solver
pred :: Solver -> Solver
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Solver -> Solver -> Bounded Solver
forall a. a -> a -> Bounded a
maxBound :: Solver
$cmaxBound :: Solver
minBound :: Solver
$cminBound :: Solver
Bounded)

-- | An SMT solver
data SMTSolver = SMTSolver {
         SMTSolver -> Solver
name           :: Solver                -- ^ The solver in use
       , SMTSolver -> String
executable     :: String                -- ^ The path to its executable
       , SMTSolver -> ShowS
preprocess     :: String -> String      -- ^ Each line sent to the solver will be passed through this function (typically id)
       , SMTSolver -> SMTConfig -> [String]
options        :: SMTConfig -> [String] -- ^ Options to provide to the solver
       , SMTSolver
-> forall res.
   SMTConfig -> State -> String -> (State -> IO res) -> IO res
engine         :: SMTEngine             -- ^ The solver engine, responsible for interpreting solver output
       , SMTSolver -> SolverCapabilities
capabilities   :: SolverCapabilities    -- ^ Various capabilities of the solver
       }

-- | Query execution context
data QueryContext = QueryInternal       -- ^ Triggered from inside SBV
                  | QueryExternal       -- ^ Triggered from user code

-- | Show instance for 'QueryContext', for debugging purposes
instance Show QueryContext where
   show :: QueryContext -> String
show QueryContext
QueryInternal = String
"Internal Query"
   show QueryContext
QueryExternal = String
"User Query"

{-# ANN type FPOp ("HLint: ignore Use camelCase" :: String) #-}
{-# ANN type PBOp ("HLint: ignore Use camelCase" :: String) #-}
{-# ANN type OvOp ("HLint: ignore Use camelCase" :: String) #-}
{-# ANN type NROp ("HLint: ignore Use camelCase" :: String) #-}