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[SMTChecker] Keep constraints of string literals after assignment

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This commit is contained in:
Alex Beregszaszi
2020-09-25 11:32:48 +01:00
parent 5090353a1a
commit 9c1b041dcb
6 changed files with 4 additions and 11 deletions
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libsolidity/formal/SMTEncoder.cpp
+1 -3
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@@ -1690,9 +1690,7 @@ void SMTEncoder::assignment(VariableDeclaration const& _variable, Expression con
// This is a special case where the SMT sorts are different.
// For now we are unaware of other cases where this happens, but if they do appear
// we should extract this into an `implicitConversion` function.
if (_variable.type()->category() != Type::Category::Array || _value.annotation().type->category() != Type::Category::StringLiteral)
assignment(_variable, expr(_value, _variable.type()));
// TODO else { store each string literal byte into the array }
assignment(_variable, expr(_value, _variable.type()));
}
void SMTEncoder::assignment(VariableDeclaration const& _variable, smtutil::Expression const& _value)