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Fix cache function to handle reference count check

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Nikolaj Bjorner 2026-06-16 14:16:14 -06:00 • committed by GitHub
parent 69dc7cab01
commit 4ffb324ed9
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src/sat/tactic/goal2sat.cpp
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@ -262,7 +262,7 @@ struct goal2sat::imp : public sat::sat_internalizer {
void cache(app* t, sat::literal l) override { void cache(app* t, sat::literal l) override {
force_push(); force_push();
if (t->get_ref_count() <= 1) if (t->get_ref_count() <= 1)
return; return;
m_cache_trail.push_back(t); m_cache_trail.push_back(t);
// Only memoize nodes that can be revisited: a singly-referenced // Only memoize nodes that can be revisited: a singly-referenced
// node appears once in the goal, so it never produces a cache hit. // node appears once in the goal, so it never produces a cache hit.