static Z3_lbool _solver_check(Z3_context c, Z3_solver s, unsigned num_assumptions, Z3_ast const assumptions[]) {
for (unsigned i = 0; i < num_assumptions; i++) {
if (!is_expr(to_ast(assumptions[i]))) {
SET_ERROR_CODE(Z3_INVALID_ARG, "assumption is not an expression");
return Z3_L_UNDEF;
}
}
expr * const * _assumptions = to_exprs(assumptions);
unsigned timeout = to_solver(s)->m_params.get_uint("timeout", mk_c(c)->get_timeout());
unsigned rlimit = to_solver(s)->m_params.get_uint("rlimit", mk_c(c)->get_rlimit());
bool use_ctrl_c = to_solver(s)->m_params.get_bool("ctrl_c", false);
cancel_eh<reslimit> eh(mk_c(c)->m().limit());
api::context::set_interruptable si(*(mk_c(c)), eh);
lbool result;
{
scoped_ctrl_c ctrlc(eh, false, use_ctrl_c);
scoped_timer timer(timeout, &eh);
scoped_rlimit _rlimit(mk_c(c)->m().limit(), rlimit);
try {
result = to_solver_ref(s)->check_sat(num_assumptions, _assumptions);
}
catch (z3_exception & ex) {
to_solver_ref(s)->set_reason_unknown(eh);
if (!mk_c(c)->m().canceled()) {
mk_c(c)->handle_exception(ex);
}
return Z3_L_UNDEF;
}
}
if (result == l_undef) {
to_solver_ref(s)->set_reason_unknown(eh);
}
return static_cast<Z3_lbool>(result);
}
Z3_lbool Z3_API Z3_solver_get_consequences(Z3_context c,
Z3_solver s,
Z3_ast_vector assumptions,
Z3_ast_vector variables,
Z3_ast_vector consequences) {
Z3_TRY;
LOG_Z3_solver_get_consequences(c, s, assumptions, variables, consequences);
ast_manager& m = mk_c(c)->m();
RESET_ERROR_CODE();
CHECK_SEARCHING(c);
init_solver(c, s);
expr_ref_vector _assumptions(m), _consequences(m), _variables(m);
ast_ref_vector const& __assumptions = to_ast_vector_ref(assumptions);
for (ast* e : __assumptions) {
if (!is_expr(e)) {
_assumptions.finalize(); _consequences.finalize(); _variables.finalize();
SET_ERROR_CODE(Z3_INVALID_USAGE, "assumption is not an expression");
return Z3_L_UNDEF;
}
_assumptions.push_back(to_expr(e));
}
ast_ref_vector const& __variables = to_ast_vector_ref(variables);
for (ast* a : __variables) {
if (!is_expr(a)) {
_assumptions.finalize(); _consequences.finalize(); _variables.finalize();
SET_ERROR_CODE(Z3_INVALID_USAGE, "variable is not an expression");
return Z3_L_UNDEF;
}
_variables.push_back(to_expr(a));
}
lbool result = l_undef;
unsigned timeout = to_solver(s)->m_params.get_uint("timeout", mk_c(c)->get_timeout());
unsigned rlimit = to_solver(s)->m_params.get_uint("rlimit", mk_c(c)->get_rlimit());
bool use_ctrl_c = to_solver(s)->m_params.get_bool("ctrl_c", false);
cancel_eh<reslimit> eh(mk_c(c)->m().limit());
api::context::set_interruptable si(*(mk_c(c)), eh);
{
scoped_ctrl_c ctrlc(eh, false, use_ctrl_c);
scoped_timer timer(timeout, &eh);
scoped_rlimit _rlimit(mk_c(c)->m().limit(), rlimit);
try {
result = to_solver_ref(s)->get_consequences(_assumptions, _variables, _consequences);
}
catch (z3_exception & ex) {
to_solver_ref(s)->set_reason_unknown(eh);
_assumptions.finalize(); _consequences.finalize(); _variables.finalize();
mk_c(c)->handle_exception(ex);
return Z3_L_UNDEF;
}
}
if (result == l_undef) {
to_solver_ref(s)->set_reason_unknown(eh);
}
for (expr* e : _consequences) {
to_ast_vector_ref(consequences).push_back(e);
}
return static_cast<Z3_lbool>(result);
Z3_CATCH_RETURN(Z3_L_UNDEF);
}
Z3_solver Z3_API Z3_solver_translate(Z3_context c, Z3_solver s, Z3_context target) {
Z3_TRY;
LOG_Z3_solver_translate(c, s, target);
RESET_ERROR_CODE();
params_ref const& p = to_solver(s)->m_params;
Z3_solver_ref * sr = alloc(Z3_solver_ref, 0);
sr->m_solver = to_solver(s)->m_solver->translate(mk_c(target)->m(), p);
mk_c(target)->save_object(sr);
Z3_solver r = of_solver(sr);
RETURN_Z3(r);
Z3_CATCH_RETURN(0);
}
void Z3_API Z3_solver_reset(Z3_context c, Z3_solver s) {
Z3_TRY;
LOG_Z3_solver_reset(c, s);
RESET_ERROR_CODE();
to_solver(s)->m_solver = nullptr;
Z3_CATCH;
}
void Z3_API Z3_solver_dec_ref(Z3_context c, Z3_solver s) {
Z3_TRY;
LOG_Z3_solver_dec_ref(c, s);
RESET_ERROR_CODE();
to_solver(s)->dec_ref();
Z3_CATCH;
}
Z3_param_descrs Z3_API Z3_solver_get_param_descrs(Z3_context c, Z3_solver s) {
Z3_TRY;
LOG_Z3_solver_get_param_descrs(c, s);
RESET_ERROR_CODE();
Z3_param_descrs_ref * d = alloc(Z3_param_descrs_ref, *mk_c(c));
mk_c(c)->save_object(d);
bool initialized = to_solver(s)->m_solver.get() != nullptr;
if (!initialized)
init_solver(c, s);
to_solver_ref(s)->collect_param_descrs(d->m_descrs);
context_params::collect_solver_param_descrs(d->m_descrs);
if (!initialized)
to_solver(s)->m_solver = nullptr;
Z3_param_descrs r = of_param_descrs(d);
RETURN_Z3(r);
Z3_CATCH_RETURN(nullptr);
}
Z3_string Z3_API Z3_solver_get_help(Z3_context c, Z3_solver s) {
Z3_TRY;
LOG_Z3_solver_get_help(c, s);
RESET_ERROR_CODE();
std::ostringstream buffer;
param_descrs descrs;
bool initialized = to_solver(s)->m_solver.get() != nullptr;
if (!initialized)
init_solver(c, s);
to_solver_ref(s)->collect_param_descrs(descrs);
context_params::collect_solver_param_descrs(descrs);
if (!initialized)
to_solver(s)->m_solver = nullptr;
descrs.display(buffer);
return mk_c(c)->mk_external_string(buffer.str());
Z3_CATCH_RETURN("");
}
void Z3_API Z3_solver_set_params(Z3_context c, Z3_solver s, Z3_params p) {
Z3_TRY;
LOG_Z3_solver_set_params(c, s, p);
RESET_ERROR_CODE();
if (to_solver(s)->m_solver) {
bool old_model = to_solver(s)->m_params.get_bool("model", true);
bool new_model = to_param_ref(p).get_bool("model", true);
if (old_model != new_model)
to_solver_ref(s)->set_produce_models(new_model);
param_descrs r;
to_solver_ref(s)->collect_param_descrs(r);
context_params::collect_solver_param_descrs(r);
to_param_ref(p).validate(r);
to_solver_ref(s)->updt_params(to_param_ref(p));
}
to_solver(s)->m_params.append(to_param_ref(p));
Z3_CATCH;
}
Z3_ast_vector Z3_API Z3_solver_cube(Z3_context c, Z3_solver s, Z3_ast_vector vs, unsigned cutoff) {
Z3_TRY;
LOG_Z3_solver_cube(c, s, vs, cutoff);
ast_manager& m = mk_c(c)->m();
expr_ref_vector result(m), vars(m);
for (ast* a : to_ast_vector_ref(vs)) {
if (!is_expr(a)) {
SET_ERROR_CODE(Z3_INVALID_USAGE, "cube contains a non-expression");
}
else {
vars.push_back(to_expr(a));
}
}
unsigned timeout = to_solver(s)->m_params.get_uint("timeout", mk_c(c)->get_timeout());
unsigned rlimit = to_solver(s)->m_params.get_uint("rlimit", mk_c(c)->get_rlimit());
bool use_ctrl_c = to_solver(s)->m_params.get_bool("ctrl_c", false);
cancel_eh<reslimit> eh(mk_c(c)->m().limit());
api::context::set_interruptable si(*(mk_c(c)), eh);
{
scoped_ctrl_c ctrlc(eh, false, use_ctrl_c);
scoped_timer timer(timeout, &eh);
scoped_rlimit _rlimit(mk_c(c)->m().limit(), rlimit);
try {
result.append(to_solver_ref(s)->cube(vars, cutoff));
}
catch (z3_exception & ex) {
mk_c(c)->handle_exception(ex);
return nullptr;
}
}
Z3_ast_vector_ref * v = alloc(Z3_ast_vector_ref, *mk_c(c), mk_c(c)->m());
mk_c(c)->save_object(v);
for (expr* e : result) {
v->m_ast_vector.push_back(e);
}
to_ast_vector_ref(vs).reset();
for (expr* a : vars) {
to_ast_vector_ref(vs).push_back(a);
}
RETURN_Z3(of_ast_vector(v));
Z3_CATCH_RETURN(nullptr);
}
static void init_solver_core(Z3_context c, Z3_solver _s) {
Z3_solver_ref * s = to_solver(_s);
bool proofs_enabled, models_enabled, unsat_core_enabled;
params_ref p = s->m_params;
mk_c(c)->params().get_solver_params(mk_c(c)->m(), p, proofs_enabled, models_enabled, unsat_core_enabled);
s->m_solver = (*(s->m_solver_factory))(mk_c(c)->m(), p, proofs_enabled, models_enabled, unsat_core_enabled, s->m_logic);
param_descrs r;
s->m_solver->collect_param_descrs(r);
context_params::collect_solver_param_descrs(r);
p.validate(r);
s->m_solver->updt_params(p);
}
void solver_from_stream(Z3_context c, Z3_solver s, std::istream& is) {
scoped_ptr<cmd_context> ctx = alloc(cmd_context, false, &(mk_c(c)->m()));
ctx->set_ignore_check(true);
std::stringstream errstrm;
ctx->set_regular_stream(errstrm);
if (!parse_smt2_commands(*ctx.get(), is)) {
ctx = nullptr;
SET_ERROR_CODE(Z3_PARSER_ERROR, errstrm.str().c_str());
return;
}
bool initialized = to_solver(s)->m_solver.get() != nullptr;
if (!initialized)
init_solver(c, s);
for (expr * e : ctx->assertions()) {
to_solver_ref(s)->assert_expr(e);
}
to_solver_ref(s)->set_model_converter(ctx->get_model_converter());
}
static void init_solver(Z3_context c, Z3_solver s) {
if (to_solver(s)->m_solver.get() == nullptr)
init_solver_core(c, s);
}
