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fix pb rewriter

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-03-12 11:22:05 -07:00
parent f04e805fa4
commit e7d43ed516
16 changed files with 215 additions and 129 deletions
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8
src/sat/sat_solver.cpp
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@ -2358,6 +2358,14 @@ namespace sat {
idx--;
}
reset_unmark(old_size);
if (m_core.size() > 1) {
unsigned j = 0;
for (unsigned i = 0; i < m_core.size(); ++i) {
if (lvl(m_core[i]) > 0) m_core[j++] = m_core[i];
}
m_core.shrink(j);
}
if (m_config.m_core_minimize) {
if (m_min_core_valid && m_min_core.size() < m_core.size()) {
IF_VERBOSE(1, verbose_stream() << "(sat.updating core " << m_min_core.size() << " " << m_core.size() << ")\n";);