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improved options for IUC computation

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This commit is contained in:
Bernhard Gleiss 2017-10-12 17:31:39 +02:00 • committed by Arie Gurfinkel
parent fba995294d
commit 00a99f01b4
4 changed files with 23 additions and 20 deletions
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22
src/muz/spacer/spacer_itp_solver.cpp
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@ -264,7 +264,8 @@ void itp_solver::get_itp_core (expr_ref_vector &core)
proof_ref pr(m);
pr = get_proof ();
if (!m_new_unsat_core) {
if (m_iuc == 0)
{
// old code
farkas_learner learner_old;
learner_old.set_split_literals(m_split_literals);
@ -272,35 +273,40 @@ void itp_solver::get_itp_core (expr_ref_vector &core)
learner_old.get_lemmas (pr, B, core);
elim_proxies (core);
simplify_bounds (core); // XXX potentially redundant
} else {
}
else
{
// new code
unsat_core_learner learner(m,m_print_farkas_stats);
if (m_farkas_plugin == 0 || m_farkas_plugin > 3)
if (m_iuc_arith == 0 || m_iuc_arith > 3)
{
unsat_core_plugin_farkas_lemma* plugin_farkas_lemma = alloc(unsat_core_plugin_farkas_lemma, learner, m_split_literals, false);
learner.register_plugin(plugin_farkas_lemma);
}
else if (m_farkas_plugin == 1)
else if (m_iuc_arith == 1)
{
unsat_core_plugin_farkas_lemma* plugin_farkas_lemma = alloc(unsat_core_plugin_farkas_lemma, learner, m_split_literals, true);
learner.register_plugin(plugin_farkas_lemma);
}
else if (m_farkas_plugin == 2)
else if (m_iuc_arith == 2)
{
unsat_core_plugin_farkas_lemma_optimized* plugin_farkas_lemma_optimized = alloc(unsat_core_plugin_farkas_lemma_optimized, learner,m);
learner.register_plugin(plugin_farkas_lemma_optimized);
}
else if(m_farkas_plugin == 3)
else if(m_iuc_arith == 3)
{
unsat_core_plugin_farkas_lemma_bounded* plugin_farkas_lemma_bounded = alloc(unsat_core_plugin_farkas_lemma_bounded, learner,m);
learner.register_plugin(plugin_farkas_lemma_bounded);
}
if (m_minimize_unsat_core) {
if (m_iuc == 2)
{
unsat_core_plugin_min_cut* plugin_min_cut = alloc(unsat_core_plugin_min_cut, learner, m);
learner.register_plugin(plugin_min_cut);
} else {
}
else
{
unsat_core_plugin_lemma* plugin_lemma = alloc(unsat_core_plugin_lemma, learner);
learner.register_plugin(plugin_lemma);
}