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testing maxres with sat core

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-08-02 12:27:57 -07:00
parent b928734348
commit 8814ba0629
12 changed files with 187 additions and 298 deletions
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15
src/opt/maxsmt.cpp
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@ -130,6 +130,7 @@ namespace opt {
}
void maxsmt_solver_base::enable_inc_bvsat() {
m_params.set_bool("minimize_core", true);
solver* sat_solver = mk_inc_sat_solver(m, m_params);
unsigned sz = s().get_num_assertions();
for (unsigned i = 0; i < sz; ++i) {
@ -138,25 +139,11 @@ namespace opt {
m_s = sat_solver;
}
void maxsmt_solver_base::enable_noninc_bvsat() {
tactic_ref pb2bv = mk_card2bv_tactic(m, m_params);
tactic_ref bv2sat = mk_qfbv_tactic(m, m_params);
tactic_ref tac = and_then(pb2bv.get(), bv2sat.get());
solver* sat_solver = mk_tactic2solver(m, tac.get(), m_params);
unsigned sz = s().get_num_assertions();
for (unsigned i = 0; i < sz; ++i) {
sat_solver->assert_expr(s().get_assertion(i));
}
unsigned lvl = m_s->get_scope_level();
while (lvl > 0) { sat_solver->push(); --lvl; }
m_s = sat_solver;
}
void maxsmt_solver_base::enable_bvsat() {
if (m_enable_sat && !m_sat_enabled && probe_bv()) {
enable_inc_bvsat();
// enable_noninc_bvsat();
m_sat_enabled = true;
}
}