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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>
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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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src/sat/sat_simplifier.h
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@ -133,7 +133,7 @@ namespace sat {
void register_clauses(clause_vector & cs);
void remove_clause(clause & c);
void remove_clause(clause & c, bool is_unique);
void set_learned(clause & c);
void set_learned(literal l1, literal l2);