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fix #6687

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This commit is contained in:
Nikolaj Bjorner 2023-04-13 09:01:17 -07:00
parent b783879752
commit 1a70ac75df
1 changed files with 1 additions and 0 deletions
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1
src/ast/converters/expr_inverter.cpp
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@ -757,6 +757,7 @@ public:
expr* x, *y; expr* x, *y;
if (uncnstr(args[0]) && num == 2 && if (uncnstr(args[0]) && num == 2 &&
args[1]->get_ref_count() == 1 &&
seq.str.is_concat(args[1], x, y) && seq.str.is_concat(args[1], x, y) &&
uncnstr(x)) { uncnstr(x)) {
mk_fresh_uncnstr_var_for(f, r); mk_fresh_uncnstr_var_for(f, r);