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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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8
src/test/nseq_basic.cpp
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@ -174,7 +174,7 @@ static void test_nseq_var_eq_self() {
nseq_basic_dummy_solver solver;
seq::nielsen_graph ng(sg, solver);
euf::snode* x = sg.mk_var(symbol("x"));
euf::snode* x = sg.mk_var(symbol("x"), sg.get_str_sort());
ng.add_str_eq(x, x);
auto r = ng.solve();
@ -192,7 +192,7 @@ static void test_nseq_prefix_clash() {
nseq_basic_dummy_solver solver;
seq::nielsen_graph ng(sg, solver);
euf::snode* x = sg.mk_var(symbol("x"));
euf::snode* x = sg.mk_var(symbol("x"), sg.get_str_sort());
euf::snode* a = sg.mk_char('a');
euf::snode* b = sg.mk_char('b');
euf::snode* xa = sg.mk_concat(x, a);
@ -214,8 +214,8 @@ static void test_nseq_const_nielsen_solvable() {
nseq_basic_dummy_solver solver;
seq::nielsen_graph ng(sg, solver);
euf::snode* x = sg.mk_var(symbol("x"));
euf::snode* y = sg.mk_var(symbol("y"));
euf::snode* x = sg.mk_var(symbol("x"), sg.get_str_sort());
euf::snode* y = sg.mk_var(symbol("y"), sg.get_str_sort());
euf::snode* a = sg.mk_char('a');
euf::snode* ax = sg.mk_concat(a, x);
euf::snode* ay = sg.mk_concat(a, y);