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Fix handling of structs in SMT-LIB CEX

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This commit is contained in:
Martin Blicha 2023-07-26 18:28:04 +02:00
parent 9339b7074a
commit 451b6f8ced
1 changed files with 18 additions and 5 deletions
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21
libsmtutil/CHCSmtLib2Interface.cpp
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@ -307,8 +307,14 @@ namespace
auto it = ranges::find_if(m_smtlib2Interface.sortNames(), [&](auto const& entry) {
return entry.second == name || entry.second == quotedName;
});
if (it != m_smtlib2Interface.sortNames().end())
return std::make_shared<Sort>(*it->first);
if (it != m_smtlib2Interface.sortNames().end()) {
if (it->first->kind == Kind::Tuple) {
auto const* tupleSort = dynamic_cast<TupleSort const*>(it->first);
smtAssert(tupleSort);
// TODO: This is cumbersome, we should really store shared_pointer instead of raw pointer in the sortNames
return std::make_shared<TupleSort>(tupleSort->name, tupleSort->members, tupleSort->components);
}
}
} else {
auto const& args = asSubExpressions(expr);
if (asAtom(args[0]) == "Array")
@ -340,11 +346,18 @@ namespace
std::vector<smtutil::Expression> arguments;
if (isAtom(_subExpr.front()))
{
std::string const& op = std::get<std::string>(_subExpr.front().data);
std::set<std::string> boolOperators{"and", "or", "not", "=", "<", ">", "<=", ">=", "=>"};
for (size_t i = 1; i < _subExpr.size(); i++)
arguments.emplace_back(toSMTUtilExpression(_subExpr[i]));
std::string const& op = asAtom(_subExpr.front());
if (boost::starts_with(op, "struct")) {
auto sort = toSort(_subExpr.front());
auto sortSort = std::make_shared<SortSort>(sort);
return Expression::tuple_constructor(Expression(sortSort), arguments);
} else {
std::set<std::string> boolOperators{"and", "or", "not", "=", "<", ">", "<=", ">=",
"=>"};
sort = contains(boolOperators, op) ? SortProvider::boolSort : arguments.back().sort;
}
return smtutil::Expression(op, std::move(arguments), std::move(sort));
} else {
// check for const array