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add tracking for reason unknown

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-06-01 17:04:37 -07:00
parent 833a910d57
commit e37a6dd809
4 changed files with 15 additions and 6 deletions
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6
src/sat/sat_solver.cpp
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@ -57,6 +57,7 @@ namespace sat {
m_scope_lvl(0),
m_search_lvl(0),
m_params(p) {
init_reason_unknown();
updt_params(p);
m_conflicts_since_gc = 0;
m_conflicts = 0;
@ -826,6 +827,7 @@ namespace sat {
//
// -----------------------
lbool solver::check(unsigned num_lits, literal const* lits) {
init_reason_unknown();
pop_to_base_level();
IF_VERBOSE(2, verbose_stream() << "(sat.sat-solver)\n";);
SASSERT(at_base_lvl());
@ -872,6 +874,7 @@ namespace sat {
if (check_inconsistent()) return l_false;
if (m_config.m_max_conflicts == 0) {
m_reason_unknown = "sat.max.conflicts";
IF_VERBOSE(SAT_VB_LVL, verbose_stream() << "(sat \"abort: max-conflicts = 0\")\n";);
return l_undef;
}
@ -884,6 +887,7 @@ namespace sat {
return r;
if (m_conflicts > m_config.m_max_conflicts) {
m_reason_unknown = "sat.max.conflicts";
IF_VERBOSE(SAT_VB_LVL, verbose_stream() << "(sat \"abort: max-conflicts = " << m_conflicts << "\")\n";);
return l_undef;
}
@ -894,6 +898,7 @@ namespace sat {
gc();
if (m_config.m_restart_max <= m_restarts) {
m_reason_unknown = "sat.max.restarts";
IF_VERBOSE(SAT_VB_LVL, verbose_stream() << "(sat \"abort: max-restarts\")\n";);
return l_undef;
}
@ -901,6 +906,7 @@ namespace sat {
}
}
catch (abort_solver) {
m_reason_unknown = "sat.giveup";
return l_undef;
}
}