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fix drat checker

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-02-10 18:04:54 -05:00
parent 6b4aec9b74
commit 8b4f3ac6f0
16 changed files with 201 additions and 166 deletions
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23
src/sat/sat_simplifier.cpp
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@ -554,7 +554,9 @@ namespace sat {
literal l = c[i];
switch (value(l)) {
case l_undef:
c[j] = l;
if (i != j) {
std::swap(c[j], c[i]);
}
j++;
break;
case l_false:
@ -567,12 +569,18 @@ namespace sat {
break;
case l_true:
r = true;
c[j] = l;
if (i != j) {
std::swap(c[j], c[i]);
}
j++;
break;
}
}
c.shrink(j);
if (j < sz) {
if (s.m_config.m_drat) s.m_drat.del(c);
c.shrink(j);
if (s.m_config.m_drat) s.m_drat.add(c, true);
}
return r;
}
@ -588,7 +596,9 @@ namespace sat {
literal l = c[i];
switch (value(l)) {
case l_undef:
c[j] = l;
if (i != j) {
std::swap(c[j], c[i]);
}
j++;
break;
case l_false:
@ -597,7 +607,7 @@ namespace sat {
return true;
}
}
c.shrink(j);
c.shrink(j);
return false;
}
@ -642,6 +652,8 @@ namespace sat {
m_num_elim_lits++;
insert_elim_todo(l.var());
c.elim(l);
if (s.m_config.m_drat) s.m_drat.add(c, true);
// if (s.m_config.m_drat) s.m_drat.del(c0); // can delete previous version
clause_use_list & occurs = m_use_list.get(l);
occurs.erase_not_removed(c);
m_sub_counter -= occurs.size()/2;
@ -1418,6 +1430,7 @@ namespace sat {
else
s.m_stats.m_mk_clause++;
clause * new_c = s.m_cls_allocator.mk_clause(m_new_cls.size(), m_new_cls.c_ptr(), false);
if (s.m_config.m_drat) s.m_drat.add(*new_c, true);
s.m_clauses.push_back(new_c);
m_use_list.insert(*new_c);
if (m_sub_counter > 0)