lbool tactic2solver::check_sat_core(unsigned num_assumptions, expr * const * assumptions) {
if (m_tactic.get() == 0)
return l_false;
ast_manager & m = m_assertions.m();
m_result = alloc(simple_check_sat_result, m);
m_tactic->cleanup();
m_tactic->updt_params(m_params);
m_tactic->set_logic(m_logic);
goal_ref g = alloc(goal, m, m_produce_proofs, m_produce_models, m_produce_unsat_cores);
unsigned sz = m_assertions.size();
for (unsigned i = 0; i < sz; i++) {
g->assert_expr(m_assertions.get(i));
}
for (unsigned i = 0; i < num_assumptions; i++) {
g->assert_expr(assumptions[i], m.mk_asserted(assumptions[i]), m.mk_leaf(assumptions[i]));
}
model_ref md;
proof_ref pr(m);
expr_dependency_ref core(m);
std::string reason_unknown = "unknown";
try {
switch (::check_sat(*m_tactic, g, md, pr, core, reason_unknown)) {
case l_true:
m_result->set_status(l_true);
break;
case l_false:
m_result->set_status(l_false);
break;
default:
m_result->set_status(l_undef);
if (reason_unknown != "")
m_result->m_unknown = reason_unknown;
break;
}
}
catch (z3_error & ex) {
throw ex;
}
catch (z3_exception & ex) {
TRACE("tactic2solver", tout << "exception: " << ex.msg() << "\n";);
m_result->set_status(l_undef);
m_result->m_unknown = ex.msg();
}
is_atom_proc(expr_ref_vector& atoms, obj_hashtable<expr>& atom_set):
m(atoms.m()), m_atoms(atoms), m_atom_set(atom_set) {}
