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seq_nielsen: replace mk_fresh_var() with mk_fresh_var(sort* s) (#9037)

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* replace mk_fresh_var() with mk_fresh_var(sort* s) in seq_nielsen; fix snode_label_html linkage

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* remove mk_var(symbol const&) from sgraph; update all callers to pass sort explicitly

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
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Copilot 2026-03-18 20:41:41 -07:00 • committed by GitHub
parent 4b40969da6
commit f837651434
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9 changed files with 203 additions and 201 deletions
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4
src/ast/euf/euf_sgraph.cpp
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@ -436,8 +436,8 @@ namespace euf {
m_egraph.pop(num_scopes);
}
snode* sgraph::mk_var(symbol const& name) {
expr_ref e(m.mk_const(name, m_str_sort), m);
snode* sgraph::mk_var(symbol const& name, sort* s) {
expr_ref e(m.mk_const(name, s), m);
return mk(e);
}

4
src/ast/euf/euf_sgraph.h
View file

@ -122,8 +122,10 @@ namespace euf {
// register expression in both sgraph and egraph
enode* mk_enode(expr* e);
sort* get_str_sort() const { return m_str_sort; }
// factory methods for creating snodes with corresponding expressions
snode* mk_var(symbol const& name);
snode* mk_var(symbol const& name, sort* s);
snode* mk_char(unsigned ch);
snode *mk_empty_seq(sort *s);
snode* mk_concat(snode* a, snode* b);