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fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-04-10 10:43:55 +08:00
parent 00685ff04f
commit d57bca8f8c
8 changed files with 78 additions and 61 deletions
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9
src/sat/sat_simplifier.cpp
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@ -1129,7 +1129,8 @@ namespace sat {
}
}
}
if (m_intersection.empty()) {
// remove tautology literals if literal has no resolution intersection
if (m_intersection.empty() && !first) {
m_tautology.shrink(tsz);
}
// if (first) IF_VERBOSE(0, verbose_stream() << "taut: " << m_tautology << "\n";);
@ -1202,7 +1203,7 @@ namespace sat {
if (m_covered_antecedent[i] == clause_ante()) s.mark_visited(lit);
if (s.is_marked(lit)) idx = i;
}
if (false) {
if (false && _blocked.var() == 8074) {
IF_VERBOSE(0, verbose_stream() << "covered: " << m_covered_clause << "\n";
verbose_stream() << "tautology: " << m_tautology << "\n";
verbose_stream() << "index: " << idx << "\n";
@ -1212,8 +1213,8 @@ namespace sat {
}
for (unsigned i = idx; i > 0; --i) {
literal lit = m_covered_clause[i];
s.mark_visited(lit);
continue;
//s.mark_visited(lit);
//continue;
if (!s.is_marked(lit)) continue;
clause_ante const& ante = m_covered_antecedent[i];
if (ante.cls()) {