CurryInfo: contract-prover-4.0.0 / ContractProver.callSMT
definition: 
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callSMT :: Options -> String -> IO (Maybe String)
callSMT opts smtinput = do
printWhenIntermediate opts $ "SMT SCRIPT:\n" ++ showWithLineNums smtinput
printWhenIntermediate opts $ "CALLING Z3..."
(ecode,out,err) <- evalCmd "z3"
["-smt2", "-in", "-T:" ++ show (optTimeout opts)]
smtinput
when (ecode>0) $ do printWhenIntermediate opts $ "EXIT CODE: " ++ show ecode
writeFile "error.smt" smtinput
printWhenIntermediate opts $ "RESULT:\n" ++ out
unless (null err) $ printWhenIntermediate opts $ "ERROR:\n" ++ err
let unsat = let ls = lines out in not (null ls) && head ls == "unsat"
return $ if unsat
then Just $ "; proved by: z3 -smt2 <SMTFILE>\n\n" ++ smtinput
else Nothing
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demand:
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no demanded arguments |
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deterministic:
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deterministic operation |
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documentation:
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Calls the SMT solver (with a timeout of 2secs) on a given SMTLIB script. Returns `Just` the SMT script if the result is `unsat`, otherwise `Nothing`. |
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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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{(_,_) |-> _}
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name:
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callSMT |
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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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ToolOptions.Options -> String -> Prelude.IO (Prelude.Maybe String) |
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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 |