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fix #4794

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This commit is contained in:
Nikolaj Bjorner 2020-12-02 12:24:35 -08:00
parent 9156e355d8
commit 12198d13ac
10 changed files with 42 additions and 28 deletions
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22
src/shell/drat_frontend.cpp
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@ -71,10 +71,12 @@ class smt_checker {
void add_units() {
auto const& units = m_drat.units();
#if 0
for (unsigned i = m_units.size(); i < units.size(); ++i) {
sat::literal lit = units[i];
m_lemma_solver->assert_expr(lit2expr(lit));
}
#endif
m_units.append(units.size() - m_units.size(), units.c_ptr() + m_units.size());
}
@ -113,20 +115,22 @@ class smt_checker {
std::cout << "drup\n";
return;
}
m_lemma_solver->push();
for (auto lit : drup_units)
m_lemma_solver->assert_expr(lit2expr(lit));
lbool is_sat = m_lemma_solver->check_sat();
m_input_solver->push();
// for (auto lit : drup_units)
// m_input_solver->assert_expr(lit2expr(lit));
for (auto lit : lits)
m_input_solver->assert_expr(lit2expr(~lit));
lbool is_sat = m_input_solver->check_sat();
if (is_sat != l_false) {
std::cout << "did not verify: " << lits << "\n";
for (sat::literal lit : lits) {
std::cout << lit2expr(lit) << "\n";
}
std::cout << "\n";
m_lemma_solver->display(std::cout);
m_input_solver->display(std::cout);
exit(0);
}
m_lemma_solver->pop(1);
m_input_solver->pop(1);
std::cout << "smt\n";
// check_assertion_redundant(lits);
}
@ -280,8 +284,10 @@ static void verify_smt(char const* drat_file, char const* smt_file) {
switch (r.m_tag) {
case dimacs::drat_record::tag_t::is_clause:
checker.add(r.m_lits, r.m_status);
if (drat_checker.inconsistent())
std::cout << "inconsistent\n";
if (drat_checker.inconsistent()) {
std::cout << "inconsistent\n";
return;
}
break;
case dimacs::drat_record::tag_t::is_node: {
expr_ref e(m);