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redo marking mechanism as marked literals can disappear from lemma

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-12-16 07:50:24 +02:00
parent b1caadee49
commit e38729a1c6
2 changed files with 18 additions and 25 deletions
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4
src/smt/theory_pb.h
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@ -143,13 +143,15 @@ namespace smt {
unsigned m_conflict_lvl;
ineq m_lemma;
literal_vector m_ineq_literals;
svector<bool_var> m_marked;
// bool_var |-> index into m_lemma
unsigned_vector m_conseq_index;
static const unsigned null_index = UINT_MAX;
bool is_marked(bool_var v) const;
void set_mark(bool_var v, unsigned idx);
void unset_mark(literal l);
void unset_mark(bool_var v);
void unset_marks();
bool resolve_conflict(ineq& c);
void process_antecedent(literal l, numeral coeff);