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don't add boolean disequality .

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Nikolaj Bjorner 2025-10-27 14:08:12 -07:00
parent a82af886eb
commit b8cadfac56
1 changed files with 1 additions and 4 deletions
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5
src/smt/theory_finite_set_size.cpp
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@ -171,11 +171,8 @@ namespace smt {
for (auto [a, b] : th.m_diseqs) { for (auto [a, b] : th.m_diseqs) {
auto x = th.get_enode(a); auto x = th.get_enode(a);
auto y = th.get_enode(b); auto y = th.get_enode(b);
diseq d = {a, b};
if (n2b.contains(x) && n2b.contains(y)) { if (n2b.contains(x) && n2b.contains(y)) {
diseq d = {a, b};
auto b = m.mk_const(symbol("!="), m.mk_bool_sort());
m_assumptions.insert(b, d);
m_solver->assert_expr(m.mk_implies(b, m.mk_not(m.mk_iff(n2b[x], n2b[y]))));
arith_util a(m); arith_util a(m);
auto d1 = mk_diff(x, y); auto d1 = mk_diff(x, y);
auto d2 = mk_diff(y, x); auto d2 = mk_diff(y, x);