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reset backtrack level after first backtrack

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-08 22:14:59 -08:00
parent 75b8d10f48
commit bc8681a0ea
2 changed files with 4 additions and 4 deletions
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2
src/sat/sat_lookahead.cpp
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@ -2012,8 +2012,8 @@ namespace sat {
set_conflict();
backtrack(m_cube_state.m_cube, m_cube_state.m_is_decision);
}
backtrack_level = UINT_MAX;
}
backtrack_level = UINT_MAX;
depth = m_cube_state.m_cube.size();
if ((m_config.m_cube_cutoff != 0 && depth == m_config.m_cube_cutoff) ||
(m_config.m_cube_cutoff == 0 && m_freevars.size() < m_cube_state.m_freevars_threshold)) {