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tuning and fixing drat checker

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-02-07 16:50:39 -08:00
parent 54f2063c81
commit b6b6035cfb
9 changed files with 140 additions and 67 deletions
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src/sat/sat_solver.h
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@ -394,6 +394,7 @@ namespace sat {
void updt_phase_counters();
svector<char> m_diff_levels;
unsigned num_diff_levels(unsigned num, literal const * lits);
bool num_diff_levels_below(unsigned num, literal const* lits, unsigned max_glue, unsigned& glue);
// lemma minimization
typedef approx_set_tpl<unsigned, u2u, unsigned> level_approx_set;