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#5417 - revise q_eval based on bug based on non-chronological dependencies with post-hoc explain function

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This commit is contained in:
Nikolaj Bjorner 2021-07-19 07:40:46 -07:00
parent e8bc9f3469
commit 7d915eb295
7 changed files with 99 additions and 145 deletions
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15
src/sat/smt/q_eval.h
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@ -30,25 +30,20 @@ namespace q {
expr_fast_mark1 m_mark;
euf::enode_vector m_eval;
euf::enode_vector m_indirect_nodes;
ptr_vector<size_t> m_explain;
struct scoped_mark_reset;
void explain(clause& c, unsigned literal_idx, euf::enode* const* binding);
void explain_eq(unsigned n, euf::enode* const* binding, expr* s, expr* t);
void explain_diseq(unsigned n, euf::enode* const* binding, expr* s, expr* t);
// compare s, t modulo binding
lbool compare(unsigned n, euf::enode* const* binding, expr* s, expr* t);
lbool compare_rec(unsigned n, euf::enode* const* binding, expr* s, expr* t);
lbool compare(unsigned n, euf::enode* const* binding, expr* s, expr* t, euf::enode_pair_vector& evidence);
lbool compare_rec(unsigned n, euf::enode* const* binding, expr* s, expr* t, euf::enode_pair_vector& evidence);
public:
eval(euf::solver& ctx);
void explain(sat::literal l, justification& j, sat::literal_vector& r, bool probing);
lbool operator()(euf::enode* const* binding, clause& c);
lbool operator()(euf::enode* const* binding, clause& c, unsigned& idx);
euf::enode* operator()(unsigned n, euf::enode* const* binding, expr* e);
lbool operator()(euf::enode* const* binding, clause& c, euf::enode_pair_vector& evidence);
lbool operator()(euf::enode* const* binding, clause& c, unsigned& idx, euf::enode_pair_vector& evidence);
euf::enode* operator()(unsigned n, euf::enode* const* binding, expr* e, euf::enode_pair_vector& evidence);
euf::enode_vector const& get_watch() { return m_indirect_nodes; }
};