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Clean up

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This commit is contained in:
Can Cebeci 2026-07-08 10:44:35 -07:00
parent 4978dbe171
commit bc753b510d
3 changed files with 30 additions and 45 deletions
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18
src/smt/smt_internalizer.cpp
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@ -106,12 +106,11 @@ namespace smt {
if (e->is_eq())
return;
enode *cgr = e->get_num_args() == 0 ? e : get_cg_root(e);
if (0 < m_generation && m_generation < get_generation(cgr)) {
if (0 < m_generation && m_generation < get_generation(e)) {
if (e->uses_cg_table())
set_generation_sticky(e, m_generation);
else
e->m_generation = m_generation; // Sticky by default. Won't unmerge
set_generation(e, m_generation);
}
}
@ -120,14 +119,9 @@ namespace smt {
if (e->is_eq())
return;
if (e->uses_cg_table()) {
// The class generation is cached on the congruence root's m_generation field.
enode * cgr = e->is_cgr() ? e : get_cg_root(e);
SASSERT(cgr);
cgr->m_generation = generation;
} else {
e->m_generation = generation;
}
// The class generation is stored in the congruence root's m_generation field.
enode * cgr = get_cg_root(e);
cgr->m_generation = generation;
}
class merge_cgc_generations_trail : public trail {
@ -151,12 +145,10 @@ namespace smt {
};
void context::merge_cgc_generations(enode * e1, unsigned e1_generation, enode * e2) {
// We assume the congruence has already been updated. We might want to move that here, too.
SASSERT(e2->is_cgr());
SASSERT(!m_cg_table.contains_ptr(e1));
SASSERT(m_cg_table.contains_ptr(e2));
// The class generation is cached on the congruence root e2's m_generation field.
// Push trail even if we have a no-op. Otherwise we can't restore e1's generation after unmerging.
push_trail(merge_cgc_generations_trail(*this, e1, e1_generation, e2, e2->m_generation));