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fix transitive reduction bug, eliminate blocked tag on binary clauses, separate BIG structure from scc

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-12-13 02:38:06 -08:00
commit 71c52396cb
26 changed files with 572 additions and 355 deletions
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src/sat/sat_simplifier.h
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@ -132,7 +132,6 @@ namespace sat {
void remove_clause(clause & c);
void remove_clause(clause & c, literal l);
void block_clause(clause & c);
void block_bin_clause_half(literal l1, literal l2);
void unblock_clause(clause & c);
void remove_bin_clause_half(literal l1, literal l2, bool learned);
@ -185,7 +184,7 @@ namespace sat {
unsigned get_num_unblocked_bin(literal l) const;
unsigned get_to_elim_cost(bool_var v) const;
void order_vars_for_elim(bool_var_vector & r);
void collect_clauses(literal l, clause_wrapper_vector & r, bool include_blocked);
void collect_clauses(literal l, clause_wrapper_vector & r);
clause_wrapper_vector m_pos_cls;
clause_wrapper_vector m_neg_cls;
literal_vector m_new_cls;