mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-28 19:35:50 +00:00
Code Activity

add opt_solver layer

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-10-17 17:33:43 -07:00
parent f4e2b23238
commit cfedbe3dfd
10 changed files with 248 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

20
src/opt/opt_context.cpp
View file

@ -18,11 +18,11 @@ Notes:
#include "opt_context.h"
#include "smt_solver.h"
#include "fu_malik.h"
#include "weighted_maxsat.h"
#include "optimize_objectives.h"
#include "ast_pp.h"
#include "opt_solver.h"
namespace opt {
@ -30,12 +30,14 @@ namespace opt {
expr_ref_vector const& fmls = m_soft_constraints;
ref<solver> s;
symbol logic;
params_ref p;
p.set_bool("model", true);
p.set_bool("unsat_core", true);
s = mk_smt_solver(m, p, logic);
if (!m_solver) {
symbol logic;
params_ref p;
p.set_bool("model", true);
p.set_bool("unsat_core", true);
set_solver(alloc(opt_solver, m, p, logic));
}
solver* s = m_solver.get();
for (unsigned i = 0; i < m_hard_constraints.size(); ++i) {
s->assert_expr(m_hard_constraints[i].get());
@ -64,7 +66,9 @@ namespace opt {
for (unsigned i = 0; i < fmls_copy.size(); ++i) {
s->assert_expr(fmls_copy[i].get());
}
is_sat = optimize_objectives(*s, m_objectives, m_is_max, values);
// SASSERT(instanceof(*s, opt_solver));
// if (!instsanceof ...) { throw ... invalid usage ..}
is_sat = optimize_objectives(dynamic_cast<opt_solver&>(*s), m_objectives, m_is_max, values);
std::cout << "is-sat: " << is_sat << "\n";
if (is_sat != l_true) {
return;