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log justifications during conflict resolution

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This commit is contained in:
Jakob Rath 2022-01-28 15:50:14 +01:00
parent 0eb0306ae2
commit 67647433ba
3 changed files with 23 additions and 2 deletions
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7
src/math/polysat/solver.cpp
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@ -502,7 +502,8 @@ namespace polysat {
void solver::resolve_conflict() {
LOG_H2("Resolve conflict");
LOG("\n" << *this);
LOG("search state: " << m_search);
LOG("Search state: " << m_search);
LOG("Assignment: " << assignments_pp(*this));
for (pvar v = 0; v < m_justification.size(); ++v)
LOG("v" << v << " " << viable::var_pp(m_viable, v));
++m_stats.m_num_conflicts;
@ -527,13 +528,13 @@ namespace polysat {
search_iterator search_it(m_search);
while (search_it.next()) {
// LOG("search state: " << m_search);
auto& item = *search_it;
search_it.set_resolved();
LOG_H2("Working on " << search_item_pp(m_search, item));
if (item.is_assignment()) {
// Resolve over variable assignment
pvar v = item.var();
LOG(m_justification[v]);
if (!m_conflict.is_pmarked(v) && !m_conflict.is_bailout()) {
m_search.pop_assignment();
continue;
@ -552,6 +553,8 @@ namespace polysat {
SASSERT(item.is_boolean());
sat::literal const lit = item.lit();
sat::bool_var const var = lit.var();
LOG(bool_justification_pp(m_bvars, lit));
LOG("Literal " << lit << " is " << lit2cnstr(lit));
if (!m_conflict.is_bmarked(var))
continue;
if (m_bvars.level(var) <= base_level())