LangString is a Python library designed to handle multilingual text data with precision and flexibility. Although the need for robust management of multilingual content is critical, existing solutions ...
(set-logic QF_S) (declare-fun a () String) (assert (= (str.substr (str.++ a a "0") 0 6) (str.++ a "a"))) (check-sat) (get-model) Here's the behavior > z3 bug.smt2 ...
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