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fix #3872

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-08 17:12:14 -07:00
parent db3d6d7c95
commit 9f1a2e2c94
1 changed files with 7 additions and 0 deletions
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7
src/muz/base/rule_properties.cpp
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@ -182,6 +182,8 @@ void rule_properties::operator()(quantifier* n) {
}
void rule_properties::operator()(app* n) {
func_decl_ref f_out(m);
expr* n1 = nullptr, *n2 = nullptr;
rational r;
if (m_is_predicate(n)) {
insert(m_interp_pred, m_rule);
}
@ -210,6 +212,11 @@ void rule_properties::operator()(app* n) {
else if (m_a.is_considered_uninterpreted(n->get_decl(), n->get_num_args(), n->get_args(), f_out)) {
m_uninterp_funs.insert(n->get_decl(), m_rule);
}
else if ((m_a.is_mod(n, n1, n2) || m_a.is_div(n, n1, n2) ||
m_a.is_idiv(n, n1, n2) || m_a.is_rem(n, n1, n2))
&& (!m_a.is_numeral(n2, r) || r.is_zero())) {
m_uninterp_funs.insert(n->get_decl(), m_rule);
}
check_sort(m.get_sort(n));
}