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fix removal bug, tune all-interval usage

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-09 16:32:38 +01:00
parent ad571510f3
commit 2aedaf315a
6 changed files with 22 additions and 6 deletions
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5
src/sat/sat_simplifier.cpp
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@ -664,8 +664,9 @@ namespace sat {
m_sub_todo.insert(it.curr());
}
clause_use_list& cs = m_use_list.get(l);
for (auto it = cs.mk_iterator(); !it.at_end(); it.next()) {
for (auto it = cs.mk_iterator(); !it.at_end(); ) {
clause & c = it.curr();
it.next();
remove_clause(c, l);
}
cs.reset();
@ -2023,7 +2024,7 @@ namespace sat {
m_new_cls.reset();
if (!resolve(c1, c2, pos_l, m_new_cls))
continue;
if (false && v == 27041) IF_VERBOSE(0, verbose_stream() << "elim: " << c1 << " + " << c2 << " -> " << m_new_cls << "\n");
if (false && v == 767) IF_VERBOSE(0, verbose_stream() << "elim: " << c1 << " + " << c2 << " -> " << m_new_cls << "\n");
TRACE("resolution_new_cls", tout << c1 << "\n" << c2 << "\n-->\n" << m_new_cls << "\n";);
if (cleanup_clause(m_new_cls))
continue; // clause is already satisfied.