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axioms for b-and

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-12-11 15:45:54 -08:00
parent 15bae80cea
commit b72575148f
7 changed files with 106 additions and 8 deletions
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4
src/sat/smt/arith_solver.h
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@ -214,6 +214,7 @@ namespace arith {
expr* m_not_handled = nullptr;
ptr_vector<app> m_underspecified;
ptr_vector<expr> m_idiv_terms;
ptr_vector<app> m_band_terms;
vector<ptr_vector<api_bound> > m_use_list; // bounds where variables are used.
// attributes for incremental version:
@ -317,6 +318,7 @@ namespace arith {
void mk_bound_axioms(api_bound& b);
void mk_bound_axiom(api_bound& b1, api_bound& b2);
void mk_power0_axioms(app* t, app* n);
void mk_band_axiom(app* n);
void flush_bound_axioms();
void add_farkas_clause(sat::literal l1, sat::literal l2);
@ -408,6 +410,8 @@ namespace arith {
bool check_delayed_eqs();
lbool check_lia();
lbool check_nla();
bool check_band_terms();
bool check_band_term(app* n);
void add_lemmas();
void propagate_nla();
void add_equality(lpvar v, rational const& k, lp::explanation const& exp);