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update regex membership to be slightly better tuned

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This commit is contained in:
Nikolaj Bjorner 2024-12-25 10:56:16 -08:00
parent f4ed432244
commit c9cae77304
3 changed files with 19 additions and 18 deletions
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src/ast/rewriter/seq_rewriter.cpp
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@ -3790,6 +3790,7 @@ expr_ref seq_rewriter::simplify_path(expr* elem, expr* path) {
expr_ref seq_rewriter::mk_der_antimirov_union(expr* r1, expr* r2) {
verbose_stream() << "union " << r1->get_id() << " " << r2->get_id() << "\n";
return mk_der_op(_OP_RE_ANTIMIROV_UNION, r1, r2);
}
@ -4584,7 +4585,7 @@ br_status seq_rewriter::mk_str_in_regexp(expr* a, expr* b, expr_ref& result) {
result = mk_in_antimirov(tl, mk_antimirov_deriv(hd, b, m().mk_true()));
return BR_REWRITE_FULL;
}
if (get_head_tail_reversed(a, hd, tl)) {
result = re().mk_reverse(re().mk_derivative(tl, re().mk_reverse(b)));
result = re().mk_in_re(hd, result);