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reset visited (fast mark) to not clash with occurs

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This commit is contained in:
Nikolaj Bjorner 2022-11-17 17:36:21 +09:00
parent 6662afdd26
commit 59b7845c7d
4 changed files with 19 additions and 14 deletions
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22
src/ast/simplifiers/euf_completion.cpp
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@ -80,18 +80,22 @@ namespace euf {
};
for (unsigned i = m_qhead; i < sz; ++i) {
auto [f,d] = m_fmls[i]();
auto* n = mk_enode(f);
if (m.is_eq(f)) {
m_egraph.merge(n->get_arg(0), n->get_arg(1), d);
add_children(n->get_arg(0));
add_children(n->get_arg(1));
expr* x, * y;
auto [f, d] = m_fmls[i]();
if (m.is_eq(f, x, y)) {
enode* a = mk_enode(x);
enode* b = mk_enode(y);
m_egraph.merge(a, b, d);
add_children(a);
add_children(b);
}
if (m.is_not(f)) {
m_egraph.merge(n->get_arg(0), m_ff, d);
add_children(n->get_arg(0));
else if (m.is_not(f, f)) {
enode* n = mk_enode(f);
m_egraph.merge(n, m_ff, d);
add_children(n);
}
else {
enode* n = mk_enode(f);
m_egraph.merge(n, m_tt, d);
add_children(n);
}

3
src/ast/simplifiers/solve_eqs.cpp
View file

@ -129,7 +129,8 @@ namespace euf {
todo.push_back(var2id(e));
}
m_todo.reset();
visited.reset();
if (!is_safe) {
todo.shrink(todo_sz);
continue;