void rule_manager::mk_negations(app_ref_vector& body, svector<bool>& is_negated) {
for (unsigned i = 0; i < body.size(); ++i) {
expr* e = body[i].get(), *e1;
if (m.is_not(e, e1) && m_ctx.is_predicate(e1)) {
check_app(e1);
body[i] = to_app(e1);
is_negated.push_back(true);
}
else {
is_negated.push_back(false);
}
}
}
void euf_arith_mbi_plugin::filter_private_arith(app_ref_vector& avars) {
arith_util a(m);
unsigned j = 0;
obj_hashtable<func_decl> shared;
for (func_decl* f : m_shared) shared.insert(f);
for (unsigned i = 0; i < avars.size(); ++i) {
app* v = avars.get(i);
if (!shared.contains(v->get_decl()) &&
v->get_family_id() != a.get_family_id()) {
avars[j++] = v;
}
}
avars.shrink(j);
}
