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Eliminate length gradients from regexes
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4 changed files with 58 additions and 14 deletions
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@ -66,7 +66,7 @@ namespace smt {
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obj_hashtable<expr> m_axiom_set; // dedup guard for axiom_item enqueues
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obj_hashtable<expr> m_no_diseq_set; // track expressions that should not trigger new disequality axioms
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expr_ref_vector m_relevant_lengths; // track variables whose lengths are relevant
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obj_map<expr, unsigned> m_gradient_cache;
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sat::literal_vector m_nielsen_literals; // literals created by a Nilsen check
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// statistics
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