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fix #3420

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-19 17:49:48 -07:00
parent 5cbcd9a88a
commit cd434d8bd5
3 changed files with 5 additions and 2 deletions
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5
src/sat/sat_probing.cpp
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@ -161,7 +161,9 @@ namespace sat {
if (m_probing_binary) {
watch_list & wlist = s.get_wlist(~l);
for (watched & w : wlist) {
unsigned sz0 = wlist.size();
for (unsigned i = 0; i < wlist.size(); ++i) {
watched & w = wlist[i];
if (!w.is_binary_clause())
continue;
literal l2 = w.get_literal();
@ -169,7 +171,6 @@ namespace sat {
continue;
if (s.value(l2) != l_undef)
continue;
// verbose_stream() << "probing " << l << " " << l2 << " " << m_counter << "\n";
// Note: that try_lit calls propagate, which may update the watch lists.
if (!try_lit(l2, false))
return;