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pre-flatten use list before iterating over m_unsat

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select_max_same_sign accesses the use-list which may cause it to be flattened.
This commit is contained in:
Nikolaj Bjorner 2025-01-30 16:34:17 -08:00
parent e3566288a4
commit c9ac4d6f75
1 changed files with 1 additions and 0 deletions
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src/ast/sls/sat_ddfw.cpp
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@ -558,6 +558,7 @@ namespace sat {
void ddfw::shift_weights() {
++m_shifts;
bool shifted = false;
flatten_use_list();
for (unsigned to_idx : m_unsat) {
SASSERT(!m_clauses[to_idx].is_true());
unsigned from_idx = select_max_same_sign(to_idx);