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debug arith/mbi

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-11-02 12:13:19 -08:00
parent fb6e7e146b
commit ab199dedf9
22 changed files with 96 additions and 25 deletions
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22
src/sat/smt/arith_axioms.cpp
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@ -296,15 +296,34 @@ namespace arith {
return lp::EQ;
}
void solver::mk_eq_axiom(bool is_eq, theory_var v1, theory_var v2) {
void solver::mk_eq_axiom(bool is_eq, euf::th_eq const& e) {
theory_var v1 = e.v1();
theory_var v2 = e.v2();
if (is_bool(v1))
return;
force_push();
expr* e1 = var2expr(v1);
expr* e2 = var2expr(v2);
if (e1->get_id() > e2->get_id())
std::swap(e1, e2);
if (is_eq && m.are_equal(e1, e2))
return;
if (!is_eq && m.are_distinct(e1, e2))
return;
if (is_eq) {
++m_stats.m_assert_eq;
euf::enode* n1 = var2enode(v1);
euf::enode* n2 = var2enode(v2);
lpvar w1 = register_theory_var_in_lar_solver(v1);
lpvar w2 = register_theory_var_in_lar_solver(v2);
auto cs = lp().add_equality(w1, w2);
add_eq_constraint(cs.first, n1, n2);
add_eq_constraint(cs.second, n1, n2);
m_new_eq = true;
return;
}
literal le, ge;
if (a.is_numeral(e1))
std::swap(e1, e2);
@ -332,6 +351,7 @@ namespace arith {
le = mk_literal(a.mk_le(diff, zero));
ge = mk_literal(a.mk_ge(diff, zero));
}
++m_stats.m_assert_diseq;
add_clause(~eq, le);
add_clause(~eq, ge);
add_clause(~le, ~ge, eq);