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track lia conflicts as cuts

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-07-28 17:40:56 -07:00
parent de1cf30ea8
commit 0606ca15d9
3 changed files with 18 additions and 14 deletions
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9
src/sat/smt/arith_solver.h
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@ -52,7 +52,8 @@ namespace arith {
farkas_h,
bound_h,
cut_h,
implied_eq_h
implied_eq_h,
nla_h
};
struct arith_proof_hint : public euf::th_proof_hint {
@ -457,8 +458,8 @@ namespace arith {
void term2coeffs(lp::lar_term const& term, u_map<rational>& coeffs);
void get_infeasibility_explanation_and_set_conflict();
void set_conflict();
void set_conflict_or_lemma(literal_vector const& core, bool is_conflict);
void set_conflict(hint_type ty);
void set_conflict_or_lemma(hint_type ty, literal_vector const& core, bool is_conflict);
void set_evidence(lp::constraint_index idx);
void assign(literal lit, literal_vector const& core, svector<enode_pair> const& eqs, euf::th_proof_hint const* pma);
@ -470,7 +471,7 @@ namespace arith {
arith_proof_hint const* explain(hint_type ty, sat::literal lit = sat::null_literal);
arith_proof_hint const* explain_implied_eq(lp::explanation const& e, euf::enode* a, euf::enode* b);
arith_proof_hint const* explain_trichotomy(sat::literal le, sat::literal ge, sat::literal eq);
arith_proof_hint const* explain_conflict(sat::literal_vector const& core, euf::enode_pair_vector const& eqs);
arith_proof_hint const* explain_conflict(hint_type ty, sat::literal_vector const& core, euf::enode_pair_vector const& eqs);
void explain_assumptions(lp::explanation const& e);