z3-z3-4.13.0.src.api.api_goal.cpp Maven / Gradle / Ivy
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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
api_goal.cpp
Abstract:
API for creating goals
Author:
Leonardo de Moura (leonardo) 2012-03-06.
Revision History:
--*/
#include "api/z3.h"
#include "api/api_log_macros.h"
#include "api/api_context.h"
#include "api/api_goal.h"
#include "ast/ast_translation.h"
#include "api/api_model.h"
extern "C" {
Z3_goal Z3_API Z3_mk_goal(Z3_context c, bool models, bool unsat_cores, bool proofs) {
Z3_TRY;
LOG_Z3_mk_goal(c, models, unsat_cores, proofs);
RESET_ERROR_CODE();
if (proofs != 0 && !mk_c(c)->m().proofs_enabled()) {
SET_ERROR_CODE(Z3_INVALID_ARG, "proofs are required, but proofs are not enabled on the context");
RETURN_Z3(nullptr);
}
Z3_goal_ref * g = alloc(Z3_goal_ref, *mk_c(c));
g->m_goal = alloc(goal, mk_c(c)->m(), proofs != 0, models != 0, unsat_cores != 0);
mk_c(c)->save_object(g);
Z3_goal r = of_goal(g);
RETURN_Z3(r);
Z3_CATCH_RETURN(nullptr);
}
void Z3_API Z3_goal_inc_ref(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_inc_ref(c, g);
RESET_ERROR_CODE();
to_goal(g)->inc_ref();
Z3_CATCH;
}
void Z3_API Z3_goal_dec_ref(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_dec_ref(c, g);
if (g)
to_goal(g)->dec_ref();
Z3_CATCH;
}
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);
}
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;
}
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(false);
}
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);
}
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_size(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_size(c, g);
RESET_ERROR_CODE();
return to_goal_ref(g)->size();
Z3_CATCH_RETURN(0);
}
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_IOB, nullptr);
RETURN_Z3(nullptr);
}
expr * result = to_goal_ref(g)->form(idx);
mk_c(c)->save_ast_trail(result);
RETURN_Z3(of_ast(result));
Z3_CATCH_RETURN(nullptr);
}
unsigned Z3_API Z3_goal_num_exprs(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_num_exprs(c, g);
RESET_ERROR_CODE();
return to_goal_ref(g)->num_exprs();
Z3_CATCH_RETURN(0);
}
bool Z3_API Z3_goal_is_decided_sat(Z3_context c, Z3_goal g) {
Z3_TRY;
LOG_Z3_goal_is_decided_sat(c, g);
RESET_ERROR_CODE();
return to_goal_ref(g)->is_decided_sat();
Z3_CATCH_RETURN(false);
}
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(false);
}
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(nullptr);
}
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, *mk_c(target));
_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(nullptr);
}
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 = std::move(buffer).str();
SASSERT(result.size() > 0);
result.resize(result.size()-1);
return mk_c(c)->mk_external_string(std::move(result));
Z3_CATCH_RETURN("");
}
Z3_string Z3_API Z3_goal_to_dimacs_string(Z3_context c, Z3_goal g, bool include_names) {
Z3_TRY;
LOG_Z3_goal_to_dimacs_string(c, g, include_names);
RESET_ERROR_CODE();
std::ostringstream buffer;
if (!to_goal_ref(g)->is_cnf()) {
SET_ERROR_CODE(Z3_INVALID_ARG, "Goal is not converted into CNF. Preprocess by optional bit-blasting and applying tseitin-cnf");
RETURN_Z3(nullptr);
}
to_goal_ref(g)->display_dimacs(buffer, include_names);
// Hack for removing the trailing '\n'
std::string result = std::move(buffer).str();
SASSERT(result.size() > 0);
result.resize(result.size()-1);
return mk_c(c)->mk_external_string(std::move(result));
Z3_CATCH_RETURN("");
}
};