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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-04-22 11:40:47 -07:00
parent 86a54dfec8
commit 07fe45e923
4 changed files with 340 additions and 720 deletions
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4
src/sat/sat_lookahead.h
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@ -161,6 +161,7 @@ namespace sat {
lookahead_mode m_search_mode; // mode of search
stats m_stats;
model m_model;
literal m_blocked_literal;
// ---------------------------------------
// truth values
@ -1712,7 +1713,8 @@ namespace sat {
if (trail.empty()) return false;
pop();
flip_prefix();
assign(~trail.back());
m_blocked_literal = trail.back();
assign(~m_blocked_literal);
trail.pop_back();
propagate();
}