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definition:
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extractPostConditionProofObligation :: VerifyInfo -> [Int] -> Int -> TARule
-> TransStateM Term
extractPostConditionProofObligation _ _ _ (AExternal _ s) =
return $ tComb ("External: " ++ s) []
extractPostConditionProofObligation ti args resvar
(ARule ty orgargs orgexp) = do
let exp = rnmAllVars renameRuleVar orgexp
rtype = resType (length orgargs) (stripForall ty)
put $ makeTransState (maximum (resvar : allVars exp) + 1)
((resvar, rtype) : zip args (map snd orgargs))
binding2SMT True ti (resvar,exp)
where
maxArgResult = maximum (resvar : args)
renameRuleVar r = maybe (r + maxArgResult + 1)
(args!!)
(elemIndex r (map fst orgargs))
resType n te =
if n==0
then te
else case te of
FuncType _ rt -> resType (n-1) rt
_ -> error $ "Internal errror: resType: " ++ show te
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demand:
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argument 4
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deterministic:
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deterministic operation
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failfree:
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<FAILING>
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indeterministic:
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referentially transparent operation
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infix:
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no fixity defined
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iotype:
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{(_,_,_,{AExternal}) |-> _ || (_,_,_,{ARule}) |-> _}
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name:
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extractPostConditionProofObligation
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precedence:
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no precedence defined
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result-values:
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_
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signature:
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VerifierState.VerifyInfo -> [Prelude.Int] -> Prelude.Int
-> FlatCurry.Annotated.Types.ARule FlatCurry.Types.TypeExpr
-> Control.Monad.Trans.State.StateT TransState Prelude.IO ESMT.Term
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solution-complete:
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operation might suspend on free variables
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terminating:
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possibly non-terminating
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totally-defined:
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possibly non-reducible on same data term
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