(benchmark euf_simp11.smt :status unsat :difficulty { unknown } :category { crafted } :logic QF_UF :extrasorts (A) :extrafuns ((x A)) :extrafuns ((f A A)) :formula (let (?cvc_0 (f x)) (let (?cvc_2 (f ?cvc_0)) (let (?cvc_1 (f (f ?cvc_2))) (not (implies (and (= ?cvc_1 ?cvc_0) (= (f (f ?cvc_1)) ?cvc_0)) (= ?cvc_2 ?cvc_0)))))) )