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Fix loop merging to use a->get_arg(0) consistently for body enode and expression

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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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copilot-swe-agent[bot] 2026-04-24 01:59:48 +00:00 • committed by GitHub
parent 218c55701d
commit 168b63b44a
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1 changed files with 1 additions and 4 deletions
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5
src/ast/euf/euf_seq_plugin.cpp
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@ -269,11 +269,8 @@ namespace euf {
unsigned lo1, hi1, lo2, hi2; unsigned lo1, hi1, lo2, hi2;
if (same_loop_body(a, b, lo1, hi1, lo2, hi2)) { if (same_loop_body(a, b, lo1, hi1, lo2, hi2)) {
ast_manager& m = g.get_manager(); ast_manager& m = g.get_manager();
expr* body_e = nullptr;
unsigned dummy_lo, dummy_hi;
m_seq.re.is_loop(a->get_expr(), body_e, dummy_lo, dummy_hi);
expr_ref merged(m_seq.re.mk_loop(body_e, lo1 + lo2, hi1 + hi2), m);
enode* body_n = a->get_arg(0); enode* body_n = a->get_arg(0);
expr_ref merged(m_seq.re.mk_loop(body_n->get_expr(), lo1 + lo2, hi1 + hi2), m);
enode* merged_n = mk(merged, 1, &body_n); enode* merged_n = mk(merged, 1, &body_n);
push_merge(n, merged_n); push_merge(n, merged_n);
} }