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[SMTChecker] Add as const function to SMTLib2Interface

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This commit is contained in:
Leonardo Alt
2019-09-18 22:57:14 +02:00
parent 5a950908b6
commit ed9674be8d
3 changed files with 22 additions and 7 deletions
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libsolidity/formal/SMTLib2Interface.cpp
+19 -4
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@@ -46,7 +46,7 @@ void SMTLib2Interface::reset()
m_accumulatedOutput.emplace_back();
m_variables.clear();
write("(set-option :produce-models true)");
write("(set-logic QF_UFLIA)");
write("(set-logic ALL)");
}
void SMTLib2Interface::push()
@@ -126,9 +126,24 @@ string SMTLib2Interface::toSExpr(smt::Expression const& _expr)
{
if (_expr.arguments.empty())
return _expr.name;
std::string sexpr = "(" + _expr.name;
for (auto const& arg: _expr.arguments)
sexpr += " " + toSExpr(arg);
std::string sexpr = "(";
if (_expr.name == "const_array")
{
solAssert(_expr.arguments.size() == 2, "");
auto sortSort = std::dynamic_pointer_cast<SortSort>(_expr.arguments.at(0).sort);
solAssert(sortSort, "");
auto arraySort = dynamic_pointer_cast<ArraySort>(sortSort->inner);
solAssert(arraySort, "");
sexpr += "(as const " + toSmtLibSort(*arraySort) + ") ";
sexpr += toSExpr(_expr.arguments.at(1));
}
else
{
sexpr += _expr.name;
for (auto const& arg: _expr.arguments)
sexpr += " " + toSExpr(arg);
}
sexpr += ")";
return sexpr;
}