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[SMTChecker] Fix ICE in CHC when function used as argument

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This commit is contained in:
Leonardo Alt
2019-11-13 15:11:30 +01:00
parent c0cf96cbc1
commit e3652627fd
15 changed files with 215 additions and 19 deletions
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libsolidity/formal/SMTEncoder.cpp
+3 -3
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@@ -594,10 +594,10 @@ void SMTEncoder::endVisit(Identifier const& _identifier)
{
// Will be translated as part of the node that requested the lvalue.
}
else if (_identifier.annotation().type->category() == Type::Category::Function)
visitFunctionIdentifier(_identifier);
else if (auto decl = identifierToVariable(_identifier))
defineExpr(_identifier, currentValue(*decl));
else if (_identifier.annotation().type->category() == Type::Category::Function)
visitFunctionIdentifier(_identifier);
else if (_identifier.name() == "now")
defineGlobalVariable(_identifier.name(), _identifier);
else if (_identifier.name() == "this")
@@ -1343,7 +1343,7 @@ void SMTEncoder::createExpr(Expression const& _e)
void SMTEncoder::defineExpr(Expression const& _e, smt::Expression _value)
{
createExpr(_e);
solAssert(smt::smtKind(_e.annotation().type->category()) != smt::Kind::Function, "Equality operator applied to type that is not fully supported");
solAssert(_value.sort->kind != smt::Kind::Function, "Equality operator applied to type that is not fully supported");
m_context.addAssertion(expr(_e) == _value);
}