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fix gc to not remove ternary clauses that are on assignment trail. This addresses issue with drat proofs that don't pass drat-trim due to deletion during gc, but use in conflicts

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-02-22 11:14:20 +01:00
parent 598fc810b5
commit 4c799c144a
11 changed files with 201 additions and 71 deletions
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10
src/sat/sat_watched.cpp
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@ -86,7 +86,15 @@ namespace sat {
}
}
wlist.set_end(it2);
//VERIFY(found);
#if 0
VERIFY(found);
for (watched const& w2 : wlist) {
if (w2 == w) {
std::cout << l1 << " " << l2 << "\n";
}
//VERIFY(w2 != w);
}
#endif
}
void conflict_cleanup(watch_list::iterator it, watch_list::iterator it2, watch_list& wlist) {