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Merge pull request #6635 from ethereum/smt_fix_fixedpoint

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[SMTChecker] Fix ICE in fixed point operations
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Leonardo 2019-05-02 12:04:57 +02:00 committed by GitHub
commit 80f3bd2413
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2 changed files with 29 additions and 18 deletions
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1
Changelog.md
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@ -10,6 +10,7 @@ Compiler Features:
Bugfixes: Bugfixes:
* SMTChecker: Fix bad cast in base constructor modifier. * SMTChecker: Fix bad cast in base constructor modifier.
* SMTChecker: Fix internal error when visiting state variable inherited from base class. * SMTChecker: Fix internal error when visiting state variable inherited from base class.
* SMTChecker: Fix internal error in fixed point operations.

10
libsolidity/formal/SMTChecker.cpp
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@ -1049,6 +1049,10 @@ bool SMTChecker::shortcutRationalNumber(Expression const& _expr)
} }
void SMTChecker::arithmeticOperation(BinaryOperation const& _op) void SMTChecker::arithmeticOperation(BinaryOperation const& _op)
{
auto type = _op.annotation().commonType;
solAssert(type, "");
if (type->category() == Type::Category::Integer)
{ {
switch (_op.getOperator()) switch (_op.getOperator())
{ {
@ -1074,6 +1078,12 @@ void SMTChecker::arithmeticOperation(BinaryOperation const& _op)
); );
} }
} }
else
m_errorReporter.warning(
_op.location(),
"Assertion checker does not yet implement this operator for type " + type->richIdentifier() + "."
);
}
smt::Expression SMTChecker::arithmeticOperation( smt::Expression SMTChecker::arithmeticOperation(
Token _op, Token _op,