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fixes top lookahead simplification

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-06-21 20:22:31 -07:00
parent 5f93b9a081
commit 5e2f7f7177
4 changed files with 23 additions and 19 deletions
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10
src/sat/sat_simplifier.cpp
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@ -166,10 +166,7 @@ namespace sat {
CASSERT("sat_solver", s.check_invariant());
TRACE("before_simplifier", s.display(tout););
m_sub_todo.reset();
m_sub_bin_todo.reset();
s.m_cleaner(true);
m_last_sub_trail_sz = s.m_trail.size();
TRACE("after_cleanup", s.display(tout););
CASSERT("sat_solver", s.check_invariant());
m_need_cleanup = false;
@ -223,13 +220,6 @@ namespace sat {
}
}
if (!learned && s.m_config.m_lookahead_simplify) {
// perform lookahead simplification
lookahead lh(s);
lh.simplify();
lh.collect_statistics(s.m_aux_stats);
}
CASSERT("sat_solver", s.check_invariant());
TRACE("after_simplifier", s.display(tout); tout << "model_converter:\n"; s.m_mc.display(tout););