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Merge pull request #5504 from ethereum/smt_fix_emscripten

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[SMTChecker] Fix crash when SMTLib2Interface reports unknow for constant checks
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chriseth 2018-11-26 16:14:02 +01:00 committed by GitHub
commit f6d8810103
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4
libsolidity/formal/SMTChecker.cpp
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@ -889,6 +889,10 @@ void SMTChecker::checkBooleanNotConstant(Expression const& _condition, string co
{
// everything fine.
}
else if (positiveResult == smt::CheckResult::UNKNOWN || negatedResult == smt::CheckResult::UNKNOWN)
{
// can't do anything.
}
else if (positiveResult == smt::CheckResult::UNSATISFIABLE && negatedResult == smt::CheckResult::UNSATISFIABLE)
m_errorReporter.warning(_condition.location(), "Condition unreachable.");
else