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z3-z3-4.12.6.src.api.api_model.cpp Maven / Gradle / Ivy
/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
api_quant.cpp
Abstract:
API for models
Author:
Leonardo de Moura (leonardo) 2012-02-29.
Revision History:
--*/
#include "api/z3.h"
#include "api/api_log_macros.h"
#include "api/api_context.h"
#include "api/api_model.h"
#include "api/api_ast_vector.h"
#include "ast/array_decl_plugin.h"
#include "model/model.h"
#include "model/model_v2_pp.h"
#include "model/model_smt2_pp.h"
#include "model/model_params.hpp"
#include "model/model_evaluator_params.hpp"
extern "C" {
Z3_model Z3_API Z3_mk_model(Z3_context c) {
Z3_TRY;
LOG_Z3_mk_model(c);
RESET_ERROR_CODE();
Z3_model_ref * m_ref = alloc(Z3_model_ref, *mk_c(c));
m_ref->m_model = alloc(model, mk_c(c)->m());
mk_c(c)->save_object(m_ref);
RETURN_Z3(of_model(m_ref));
Z3_CATCH_RETURN(nullptr);
}
void Z3_API Z3_model_inc_ref(Z3_context c, Z3_model m) {
Z3_TRY;
LOG_Z3_model_inc_ref(c, m);
RESET_ERROR_CODE();
if (m) {
to_model(m)->inc_ref();
}
Z3_CATCH;
}
void Z3_API Z3_model_dec_ref(Z3_context c, Z3_model m) {
Z3_TRY;
LOG_Z3_model_dec_ref(c, m);
if (m) {
to_model(m)->dec_ref();
}
Z3_CATCH;
}
Z3_ast_opt Z3_API Z3_model_get_const_interp(Z3_context c, Z3_model m, Z3_func_decl a) {
Z3_TRY;
LOG_Z3_model_get_const_interp(c, m, a);
RESET_ERROR_CODE();
CHECK_NON_NULL(m, nullptr);
expr * r = to_model_ref(m)->get_const_interp(to_func_decl(a));
if (!r) {
RETURN_Z3(nullptr);
}
mk_c(c)->save_ast_trail(r);
RETURN_Z3(of_expr(r));
Z3_CATCH_RETURN(nullptr);
}
bool Z3_API Z3_model_has_interp(Z3_context c, Z3_model m, Z3_func_decl a) {
Z3_TRY;
LOG_Z3_model_has_interp(c, m, a);
CHECK_NON_NULL(m, 0);
return to_model_ref(m)->has_interpretation(to_func_decl(a));
Z3_CATCH_RETURN(false);
}
Z3_func_interp Z3_API Z3_model_get_func_interp(Z3_context c, Z3_model m, Z3_func_decl f) {
Z3_TRY;
LOG_Z3_model_get_func_interp(c, m, f);
RESET_ERROR_CODE();
CHECK_NON_NULL(m, nullptr);
func_interp * _fi = to_model_ref(m)->get_func_interp(to_func_decl(f));
if (!_fi) {
RETURN_Z3(nullptr);
}
Z3_func_interp_ref * fi = alloc(Z3_func_interp_ref, *mk_c(c), to_model_ref(m));
fi->m_func_interp = _fi;
mk_c(c)->save_object(fi);
RETURN_Z3(of_func_interp(fi));
Z3_CATCH_RETURN(nullptr);
}
unsigned Z3_API Z3_model_get_num_consts(Z3_context c, Z3_model m) {
Z3_TRY;
LOG_Z3_model_get_num_consts(c, m);
RESET_ERROR_CODE();
CHECK_NON_NULL(m, 0);
return to_model_ref(m)->get_num_constants();
Z3_CATCH_RETURN(0);
}
Z3_func_decl Z3_API Z3_model_get_const_decl(Z3_context c, Z3_model m, unsigned i) {
Z3_TRY;
LOG_Z3_model_get_const_decl(c, m, i);
RESET_ERROR_CODE();
CHECK_NON_NULL(m, nullptr);
model * _m = to_model_ref(m);
if (i < _m->get_num_constants()) {
RETURN_Z3(of_func_decl(_m->get_constant(i)));
}
else {
SET_ERROR_CODE(Z3_IOB, nullptr);
RETURN_Z3(nullptr);
}
Z3_CATCH_RETURN(nullptr);
}
unsigned Z3_API Z3_model_get_num_funcs(Z3_context c, Z3_model m) {
Z3_TRY;
LOG_Z3_model_get_num_funcs(c, m);
RESET_ERROR_CODE();
CHECK_NON_NULL(m, 0);
return to_model_ref(m)->get_num_functions();
Z3_CATCH_RETURN(0);
}
Z3_func_decl get_model_func_decl_core(Z3_context c, Z3_model m, unsigned i) {
CHECK_NON_NULL(m, nullptr);
model * _m = to_model_ref(m);
if (i >= _m->get_num_functions()) {
SET_ERROR_CODE(Z3_IOB, nullptr);
return nullptr;
}
return of_func_decl(_m->get_function(i));
}
Z3_func_decl Z3_API Z3_model_get_func_decl(Z3_context c, Z3_model m, unsigned i) {
Z3_TRY;
LOG_Z3_model_get_func_decl(c, m, i);
RESET_ERROR_CODE();
Z3_func_decl r = get_model_func_decl_core(c, m, i);
RETURN_Z3(r);
Z3_CATCH_RETURN(nullptr);
}
bool Z3_API Z3_model_eval(Z3_context c, Z3_model m, Z3_ast t, bool model_completion, Z3_ast * v) {
Z3_TRY;
LOG_Z3_model_eval(c, m, t, model_completion, v);
if (v) *v = nullptr;
RESET_ERROR_CODE();
CHECK_NON_NULL(m, false);
CHECK_IS_EXPR(t, false);
model * _m = to_model_ref(m);
params_ref p;
ast_manager& mgr = mk_c(c)->m();
if (!_m->has_solver()) {
_m->set_solver(alloc(api::seq_expr_solver, mgr, p));
}
expr_ref result(mgr);
model::scoped_model_completion _scm(*_m, model_completion);
result = (*_m)(to_expr(t));
mk_c(c)->save_ast_trail(result.get());
*v = of_ast(result.get());
RETURN_Z3_model_eval true;
Z3_CATCH_RETURN(false);
}
unsigned Z3_API Z3_model_get_num_sorts(Z3_context c, Z3_model m) {
Z3_TRY;
LOG_Z3_model_get_num_sorts(c, m);
RESET_ERROR_CODE();
return to_model_ref(m)->get_num_uninterpreted_sorts();
Z3_CATCH_RETURN(0);
}
Z3_sort Z3_API Z3_model_get_sort(Z3_context c, Z3_model m, unsigned i) {
Z3_TRY;
LOG_Z3_model_get_sort(c, m, i);
RESET_ERROR_CODE();
if (i >= to_model_ref(m)->get_num_uninterpreted_sorts()) {
SET_ERROR_CODE(Z3_IOB, nullptr);
RETURN_Z3(nullptr);
}
sort * s = to_model_ref(m)->get_uninterpreted_sort(i);
RETURN_Z3(of_sort(s));
Z3_CATCH_RETURN(nullptr);
}
Z3_ast_vector Z3_API Z3_model_get_sort_universe(Z3_context c, Z3_model m, Z3_sort s) {
Z3_TRY;
LOG_Z3_model_get_sort_universe(c, m, s);
RESET_ERROR_CODE();
if (!to_model_ref(m)->has_uninterpreted_sort(to_sort(s))) {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
RETURN_Z3(nullptr);
}
ptr_vector const & universe = to_model_ref(m)->get_universe(to_sort(s));
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 : universe) {
v->m_ast_vector.push_back(e);
}
RETURN_Z3(of_ast_vector(v));
Z3_CATCH_RETURN(nullptr);
}
Z3_model Z3_API Z3_model_translate(Z3_context c, Z3_model m, Z3_context target) {
Z3_TRY;
LOG_Z3_model_translate(c, m, target);
RESET_ERROR_CODE();
Z3_model_ref* dst = alloc(Z3_model_ref, *mk_c(target));
ast_translation tr(mk_c(c)->m(), mk_c(target)->m());
dst->m_model = to_model_ref(m)->translate(tr);
mk_c(target)->save_object(dst);
RETURN_Z3(of_model(dst));
Z3_CATCH_RETURN(nullptr);
}
bool Z3_API Z3_is_as_array(Z3_context c, Z3_ast a) {
Z3_TRY;
LOG_Z3_is_as_array(c, a);
RESET_ERROR_CODE();
return a && is_expr(to_ast(a)) && is_app_of(to_expr(a), mk_c(c)->get_array_fid(), OP_AS_ARRAY);
Z3_CATCH_RETURN(false);
}
Z3_func_decl Z3_API Z3_get_as_array_func_decl(Z3_context c, Z3_ast a) {
Z3_TRY;
LOG_Z3_get_as_array_func_decl(c, a);
RESET_ERROR_CODE();
if (a && is_expr(to_ast(a)) && is_app_of(to_expr(a), mk_c(c)->get_array_fid(), OP_AS_ARRAY)) {
RETURN_Z3(of_func_decl(to_func_decl(to_app(a)->get_decl()->get_parameter(0).get_ast())));
}
else {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
RETURN_Z3(nullptr);
}
Z3_CATCH_RETURN(nullptr);
}
Z3_func_interp Z3_API Z3_add_func_interp(Z3_context c, Z3_model m, Z3_func_decl f, Z3_ast else_val) {
Z3_TRY;
LOG_Z3_add_func_interp(c, m, f, else_val);
RESET_ERROR_CODE();
CHECK_NON_NULL(f, nullptr);
func_decl* d = to_func_decl(f);
model* mdl = to_model_ref(m);
Z3_func_interp_ref * f_ref = alloc(Z3_func_interp_ref, *mk_c(c), mdl);
f_ref->m_func_interp = alloc(func_interp, mk_c(c)->m(), d->get_arity());
mk_c(c)->save_object(f_ref);
mdl->register_decl(d, f_ref->m_func_interp);
f_ref->m_func_interp->set_else(to_expr(else_val));
RETURN_Z3(of_func_interp(f_ref));
Z3_CATCH_RETURN(nullptr);
}
void Z3_API Z3_add_const_interp(Z3_context c, Z3_model m, Z3_func_decl f, Z3_ast a) {
Z3_TRY;
LOG_Z3_add_const_interp(c, m, f, a);
RESET_ERROR_CODE();
func_decl* d = to_func_decl(f);
if (!d || d->get_arity() != 0) {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
}
else {
model* mdl = to_model_ref(m);
mdl->register_decl(d, to_expr(a));
}
Z3_CATCH;
}
void Z3_API Z3_func_interp_inc_ref(Z3_context c, Z3_func_interp f) {
Z3_TRY;
LOG_Z3_func_interp_inc_ref(c, f);
RESET_ERROR_CODE();
if (f) {
to_func_interp(f)->inc_ref();
}
Z3_CATCH;
}
void Z3_API Z3_func_interp_dec_ref(Z3_context c, Z3_func_interp f) {
Z3_TRY;
LOG_Z3_func_interp_dec_ref(c, f);
RESET_ERROR_CODE();
if (f) {
to_func_interp(f)->dec_ref();
}
Z3_CATCH;
}
unsigned Z3_API Z3_func_interp_get_num_entries(Z3_context c, Z3_func_interp f) {
Z3_TRY;
LOG_Z3_func_interp_get_num_entries(c, f);
RESET_ERROR_CODE();
CHECK_NON_NULL(f, 0);
return to_func_interp_ref(f)->num_entries();
Z3_CATCH_RETURN(0);
}
Z3_func_entry Z3_API Z3_func_interp_get_entry(Z3_context c, Z3_func_interp f, unsigned i) {
Z3_TRY;
LOG_Z3_func_interp_get_entry(c, f, i);
RESET_ERROR_CODE();
CHECK_NON_NULL(f, nullptr);
if (i >= to_func_interp_ref(f)->num_entries()) {
SET_ERROR_CODE(Z3_IOB, nullptr);
RETURN_Z3(nullptr);
}
Z3_func_entry_ref * e = alloc(Z3_func_entry_ref, *mk_c(c), to_func_interp(f)->m_model.get());
e->m_func_interp = to_func_interp_ref(f);
e->m_func_entry = to_func_interp_ref(f)->get_entry(i);
mk_c(c)->save_object(e);
RETURN_Z3(of_func_entry(e));
Z3_CATCH_RETURN(nullptr);
}
Z3_ast Z3_API Z3_func_interp_get_else(Z3_context c, Z3_func_interp f) {
Z3_TRY;
LOG_Z3_func_interp_get_else(c, f);
RESET_ERROR_CODE();
CHECK_NON_NULL(f, nullptr);
expr * e = to_func_interp_ref(f)->get_else();
if (e) {
mk_c(c)->save_ast_trail(e);
}
RETURN_Z3(of_expr(e));
Z3_CATCH_RETURN(nullptr);
}
void Z3_API Z3_func_interp_set_else(Z3_context c, Z3_func_interp f, Z3_ast else_value) {
Z3_TRY;
LOG_Z3_func_interp_set_else(c, f, else_value);
RESET_ERROR_CODE();
// CHECK_NON_NULL(f, 0);
to_func_interp_ref(f)->set_else(to_expr(else_value));
Z3_CATCH;
}
unsigned Z3_API Z3_func_interp_get_arity(Z3_context c, Z3_func_interp f) {
Z3_TRY;
LOG_Z3_func_interp_get_arity(c, f);
RESET_ERROR_CODE();
CHECK_NON_NULL(f, 0);
return to_func_interp_ref(f)->get_arity();
Z3_CATCH_RETURN(0);
}
void Z3_API Z3_func_interp_add_entry(Z3_context c, Z3_func_interp fi, Z3_ast_vector args, Z3_ast value) {
Z3_TRY;
LOG_Z3_func_interp_add_entry(c, fi, args, value);
//CHECK_NON_NULL(fi, void);
//CHECK_NON_NULL(args, void);
//CHECK_NON_NULL(value, void);
func_interp* _fi = to_func_interp_ref(fi);
expr* _value = to_expr(value);
if (to_ast_vector_ref(args).size() != _fi->get_arity()) {
SET_ERROR_CODE(Z3_IOB, nullptr);
return;
}
// check sorts of value
expr* const* _args = (expr* const*) to_ast_vector_ref(args).data();
_fi->insert_entry(_args, _value);
Z3_CATCH;
}
void Z3_API Z3_func_entry_inc_ref(Z3_context c, Z3_func_entry e) {
Z3_TRY;
LOG_Z3_func_entry_inc_ref(c, e);
RESET_ERROR_CODE();
if (e) {
to_func_entry(e)->inc_ref();
}
Z3_CATCH;
}
void Z3_API Z3_func_entry_dec_ref(Z3_context c, Z3_func_entry e) {
Z3_TRY;
LOG_Z3_func_entry_dec_ref(c, e);
RESET_ERROR_CODE();
if (e) {
to_func_entry(e)->dec_ref();
}
Z3_CATCH;
}
Z3_ast Z3_API Z3_func_entry_get_value(Z3_context c, Z3_func_entry e) {
Z3_TRY;
LOG_Z3_func_entry_get_value(c, e);
RESET_ERROR_CODE();
expr * v = to_func_entry_ref(e)->get_result();
mk_c(c)->save_ast_trail(v);
RETURN_Z3(of_expr(v));
Z3_CATCH_RETURN(nullptr);
}
unsigned Z3_API Z3_func_entry_get_num_args(Z3_context c, Z3_func_entry e) {
Z3_TRY;
LOG_Z3_func_entry_get_num_args(c, e);
RESET_ERROR_CODE();
return to_func_entry(e)->m_func_interp->get_arity();
Z3_CATCH_RETURN(0);
}
Z3_ast Z3_API Z3_func_entry_get_arg(Z3_context c, Z3_func_entry e, unsigned i) {
Z3_TRY;
LOG_Z3_func_entry_get_arg(c, e, i);
RESET_ERROR_CODE();
if (i >= to_func_entry(e)->m_func_interp->get_arity()) {
SET_ERROR_CODE(Z3_IOB, nullptr);
RETURN_Z3(nullptr);
}
expr * r = to_func_entry(e)->m_func_entry->get_arg(i);
RETURN_Z3(of_expr(r));
Z3_CATCH_RETURN(nullptr);
}
Z3_API char const * Z3_model_to_string(Z3_context c, Z3_model m) {
Z3_TRY;
LOG_Z3_model_to_string(c, m);
RESET_ERROR_CODE();
CHECK_NON_NULL(m, nullptr);
std::ostringstream buffer;
std::string result;
if (mk_c(c)->get_print_mode() == Z3_PRINT_SMTLIB2_COMPLIANT) {
model_smt2_pp(buffer, mk_c(c)->m(), *(to_model_ref(m)), 0);
// Hack for removing the trailing '\n'
result = std::move(buffer).str();
if (!result.empty())
result.resize(result.size()-1);
}
else {
model_params p;
model_v2_pp(buffer, *(to_model_ref(m)), p.partial());
result = std::move(buffer).str();
}
return mk_c(c)->mk_external_string(std::move(result));
Z3_CATCH_RETURN(nullptr);
}
};
