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#5349 #5338

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This commit is contained in:
Nikolaj Bjorner 2021-06-16 16:01:14 -05:00
parent fbc3aa93a5
commit f95d0b7216
2 changed files with 20 additions and 13 deletions
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8
src/smt/smt_model_finder.cpp
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@ -808,7 +808,6 @@ namespace smt {
if (t_val && !m.is_unique_value(t_val))
for (expr* v : values)
found |= m.are_equal(v, t_val);
if (t_val && !found && !already_found.contains(t_val)) {
values.push_back(t_val);
already_found.insert(t_val);
@ -1117,6 +1116,11 @@ namespace smt {
tout << "NEW MODEL:\n";
model_pp(tout, *m_model););
}
bool is_default_representative(expr* t) {
app* tt = nullptr;
return t && m_sort2k.find(t->get_sort(), tt) && (tt == t);
}
};
@ -2511,6 +2515,8 @@ namespace smt {
if (s == nullptr)
return nullptr;
expr* t = s->get_inv(val);
if (m_auf_solver->is_default_representative(t))
return val;
if (t != nullptr) {
generation = s->get_generation(t);
}

1
src/tactic/arith/probe_arith.cpp
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@ -496,6 +496,7 @@ struct is_non_nira_functor {
throw_found(n);
if (m_linear && u.is_numeral(n->get_arg(1), r) && r.is_zero())
throw_found(n);
if (m_linear && u.is_numeral(n->get_arg(1), r) && !r.is_zero())
if (!is_ground(n->get_arg(0)) || !is_ground(n->get_arg(1)))
throw_found(n);
return;