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Removed recursion from regex unwinding

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This commit is contained in:
CEisenhofer 2026-05-22 15:15:48 +02:00
parent 5dcc5efcdd
commit c18aa647e1
4 changed files with 6 additions and 18 deletions
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4
src/smt/theory_nseq.cpp
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@ -461,12 +461,10 @@ namespace smt {
if (!get_fparams().m_nseq_regex_factorization_threshold)
return;
std::cout << "Trying " << seq::mem_pp(mem, m);
// Boolean Closure Propagations
expr* re_expr = mem.m_regex->get_expr();
if (m_seq.re.is_intersection(re_expr)) {
std::cout << "Propagating intersection " << seq::mem_pp(mem, m) << std::endl;
for (expr* arg : *to_app(re_expr)) {
expr_ref in_r(m_seq.re.mk_in_re(s_expr, arg), m);
literal_vector lits;
@ -479,7 +477,6 @@ namespace smt {
return;
}
if (m_seq.re.is_union(re_expr)) {
std::cout << "Propagating union " << seq::mem_pp(mem, m) << std::endl;
literal_vector lits;
lits.push_back(~mem.lit);
for (expr* arg : *to_app(re_expr)) {
@ -496,7 +493,6 @@ namespace smt {
zstring s;
expr_ref arg(to_app(re_expr)->get_arg(0), m);
if (m_seq.str.is_string(arg, s)) {
std::cout << "Propagating const matching " << seq::mem_pp(mem, m) << std::endl;
literal_vector lits;
lits.push_back(~mem.lit);
lits.push_back(mk_literal(m.mk_eq(s_expr, arg)));