bool is_atom(ast_manager & m, expr * n) {
if (is_quantifier(n) || !m.is_bool(n))
return false;
if (is_var(n))
return true;
SASSERT(is_app(n));
if (to_app(n)->get_family_id() != m.get_basic_family_id()) {
return true;
}
// the other operators of the basic family are not considered atomic: distinct, ite, and, or, iff, xor, not, implies.
return (m.is_eq(n) && !m.is_bool(to_app(n)->get_arg(0))) || m.is_true(n) || m.is_false(n);
}
static void test_qe(ast_manager& m, lbool expected_outcome, expr* fml, char const* option) {
// enable_trace("bit2int");
//enable_trace("gomory_cut");
enable_trace("final_check_arith");
enable_trace("arith_final_check");
//enable_trace("arith_branching");
enable_trace("theory_arith_int");
enable_trace("presburger");
enable_trace("quant_elim");
// enable_trace("arith_simplifier_plugin");
// enable_trace("non_linear");
// enable_trace("gomory_cut_detail");
// enable_trace("arith");
// enable_trace("bv");
// enable_trace("after_search");
// enable_trace("bv_bit_prop");
simplifier simp(m);
front_end_params params;
params.m_quant_elim = true;
std::cout << mk_pp(fml, m) << "\n";
qe::expr_quant_elim qe(m, params);
expr_ref result(m);
qe(m.mk_true(), fml, result);
std::cout << " -> " << mk_pp(result, m) << " " << expected_outcome << "\n";
if (expected_outcome == l_true && !m.is_true(result)) {
std::cout << "ERROR: expected true, instead got " << ast_pp(result, m).c_str() << "\n";
//exit(-1);
}
if (expected_outcome == l_false && !m.is_false(result)) {
std::cout << "ERROR: expected false, instead got " << ast_pp(result, m).c_str() << "\n";
//exit(-1);
}
}
