Z3_ast Z3_API Z3_goal_formula(Z3_context c, Z3_goal g, unsigned idx) {
Z3_TRY;
LOG_Z3_goal_formula(c, g, idx);
RESET_ERROR_CODE();
if (idx >= to_goal_ref(g)->size()) {
SET_ERROR_CODE(Z3_INVALID_ARG);
RETURN_Z3(0);
}
expr * result = to_goal_ref(g)->form(idx);
mk_c(c)->save_ast_trail(result);
RETURN_Z3(of_ast(result));
Z3_CATCH_RETURN(0);
}
Z3_model Z3_API Z3_goal_convert_model(Z3_context c, Z3_goal g, Z3_model m) {
Z3_TRY;
LOG_Z3_goal_convert_model(c, g, m);
RESET_ERROR_CODE();
model_ref new_m;
Z3_model_ref * m_ref = alloc(Z3_model_ref, *mk_c(c));
mk_c(c)->save_object(m_ref);
if (m) m_ref->m_model = to_model_ref(m)->copy();
if (to_goal_ref(g)->mc())
(*to_goal_ref(g)->mc())(m_ref->m_model);
RETURN_Z3(of_model(m_ref));
Z3_CATCH_RETURN(0);
}
void Z3_API Z3_goal_reset(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_reset(c, g);
RESET_ERROR_CODE();
to_goal_ref(g)->reset();
Z3_CATCH;
}
unsigned Z3_API Z3_goal_depth(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_depth(c, g);
RESET_ERROR_CODE();
return to_goal_ref(g)->depth();
Z3_CATCH_RETURN(0);
}
Z3_bool Z3_API Z3_goal_inconsistent(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_inconsistent(c, g);
RESET_ERROR_CODE();
return to_goal_ref(g)->inconsistent();
Z3_CATCH_RETURN(Z3_FALSE);
}
Z3_bool Z3_API Z3_goal_is_decided_unsat(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_is_decided_unsat(c, g);
RESET_ERROR_CODE();
return to_goal_ref(g)->is_decided_unsat();
Z3_CATCH_RETURN(Z3_FALSE);
}
double Z3_API Z3_probe_apply(Z3_context c, Z3_probe p, Z3_goal g) {
Z3_TRY;
LOG_Z3_probe_apply(c, p, g);
RESET_ERROR_CODE();
return to_probe_ref(p)->operator()(*to_goal_ref(g)).get_value();
Z3_CATCH_RETURN(0);
}
static Z3_apply_result _tactic_apply(Z3_context c, Z3_tactic t, Z3_goal g, params_ref p) {
goal_ref new_goal;
new_goal = alloc(goal, *to_goal_ref(g));
Z3_apply_result_ref * ref = alloc(Z3_apply_result_ref, mk_c(c)->m());
mk_c(c)->save_object(ref);
unsigned timeout = p.get_uint("timeout", UINT_MAX);
bool use_ctrl_c = p.get_bool("ctrl_c", false);
cancel_eh<reslimit> eh(mk_c(c)->m().limit());
to_tactic_ref(t)->updt_params(p);
api::context::set_interruptable si(*(mk_c(c)), eh);
{
scoped_ctrl_c ctrlc(eh, false, use_ctrl_c);
scoped_timer timer(timeout, &eh);
try {
exec(*to_tactic_ref(t), new_goal, ref->m_subgoals, ref->m_mc, ref->m_pc, ref->m_core);
return of_apply_result(ref);
}
catch (z3_exception & ex) {
mk_c(c)->handle_exception(ex);
return 0;
}
}
}
void Z3_API Z3_goal_assert(Z3_context c, Z3_goal g, Z3_ast a) {
Z3_TRY;
LOG_Z3_goal_assert(c, g, a);
RESET_ERROR_CODE();
CHECK_FORMULA(a,);
to_goal_ref(g)->assert_expr(to_expr(a));
Z3_CATCH;
}
Z3_string Z3_API Z3_goal_to_dimacs_string(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_to_dimacs_string(c, g);
RESET_ERROR_CODE();
std::ostringstream buffer;
if (!to_goal_ref(g)->is_cnf()) {
SET_ERROR_CODE(Z3_INVALID_ARG, "If this is not what you want, then preprocess by optional bit-blasting and applying tseitin-cnf");
RETURN_Z3(nullptr);
}
to_goal_ref(g)->display_dimacs(buffer);
// Hack for removing the trailing '\n'
std::string result = buffer.str();
SASSERT(result.size() > 0);
result.resize(result.size()-1);
return mk_c(c)->mk_external_string(result);
Z3_CATCH_RETURN("");
}
Z3_goal Z3_API Z3_goal_translate(Z3_context c, Z3_goal g, Z3_context target) {
Z3_TRY;
LOG_Z3_goal_translate(c, g, target);
RESET_ERROR_CODE();
ast_translation translator(mk_c(c)->m(), mk_c(target)->m());
Z3_goal_ref * _r = alloc(Z3_goal_ref);
_r->m_goal = to_goal_ref(g)->translate(translator);
mk_c(target)->save_object(_r);
Z3_goal r = of_goal(_r);
RETURN_Z3(r);
Z3_CATCH_RETURN(0);
}
Z3_string Z3_API Z3_goal_to_string(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_to_string(c, g);
RESET_ERROR_CODE();
std::ostringstream buffer;
to_goal_ref(g)->display(buffer);
// Hack for removing the trailing '\n'
std::string result = buffer.str();
SASSERT(result.size() > 0);
result.resize(result.size()-1);
return mk_c(c)->mk_external_string(result);
Z3_CATCH_RETURN("");
}
Z3_goal_prec Z3_API Z3_goal_precision(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_precision(c, g);
RESET_ERROR_CODE();
switch (to_goal_ref(g)->prec()) {
case goal::PRECISE: return Z3_GOAL_PRECISE;
case goal::UNDER: return Z3_GOAL_UNDER;
case goal::OVER: return Z3_GOAL_OVER;
case goal::UNDER_OVER: return Z3_GOAL_UNDER_OVER;
default:
UNREACHABLE();
return Z3_GOAL_UNDER_OVER;
}
Z3_CATCH_RETURN(Z3_GOAL_UNDER_OVER);
}
