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#5653

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fix performance bottleneck in static features
This commit is contained in:
Nikolaj Bjorner 2021-11-11 13:28:57 -08:00
parent b5deba8426
commit b28a8013fe
1 changed files with 16 additions and 3 deletions
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19
src/ast/static_features.cpp
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@ -406,12 +406,25 @@ void static_features::process(expr * e, bool form_ctx, bool or_and_ctx, bool ite
}
if (stack_depth > m_max_stack_depth) {
for (expr* arg : subterms::ground(expr_ref(e, m)))
if (get_depth(arg) <= 3 || is_quantifier(arg))
process(arg, form_ctx, or_and_ctx, ite_ctx, stack_depth - 10);
ptr_vector<expr> todo;
todo.push_back(e);
for (unsigned i = 0; i < todo.size(); ++i) {
e = todo[i];
if (is_marked(e))
continue;
if (is_basic_expr(e)) {
mark(e);
todo.append(to_app(e)->get_num_args(), to_app(e)->get_args());
}
else {
process(e, form_ctx, or_and_ctx, ite_ctx, stack_depth - 10);
}
}
return;
}
mark(e);
update_core(e);
if (is_quantifier(e)) {