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Changes before error encountered

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Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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copilot-swe-agent[bot] 2026-03-02 17:01:49 +00:00
parent 037d2da801
commit a3baae5942
6 changed files with 72 additions and 136 deletions
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14
src/ast/euf/euf_seq_plugin.h
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@ -92,14 +92,18 @@ namespace euf {
// string concat predicates
bool is_str_concat(enode* n) const { return m_seq.str.is_concat(n->get_expr()); }
bool is_str_concat(enode* n, enode*& a, enode*& b) {
return is_str_concat(n) && n->num_args() == 2 &&
expr* ea = nullptr, *eb = nullptr;
return m_seq.str.is_concat(n->get_expr(), ea, eb) &&
n->num_args() == 2 &&
(a = n->get_arg(0), b = n->get_arg(1), true);
}
// regex concat predicates
bool is_re_concat(enode* n) const { return m_seq.re.is_concat(n->get_expr()); }
bool is_re_concat(enode* n, enode*& a, enode*& b) {
return is_re_concat(n) && n->num_args() == 2 &&
expr* ea = nullptr, *eb = nullptr;
return m_seq.re.is_concat(n->get_expr(), ea, eb) &&
n->num_args() == 2 &&
(a = n->get_arg(0), b = n->get_arg(1), true);
}
@ -122,12 +126,6 @@ namespace euf {
bool is_to_re(enode* n) const { return m_seq.re.is_to_re(n->get_expr()); }
bool is_full_seq(enode* n) const { return m_seq.re.is_full_seq(n->get_expr()); }
enode* mk_str_concat(enode* a, enode* b);
enode* mk_re_concat(enode* a, enode* b);
enode* mk_concat(enode* a, enode* b);
enode* mk_str_empty(sort* s);
enode* mk_re_epsilon(sort* seq_sort);
void push_undo(undo_kind k);
void propagate_register_node(enode* n);