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(set-logic ALL) (set-info :status unsat) (declare-fun x () (Seq (_ BitVec 1))) (declare-fun y () (Seq (_ BitVec 1))) (declare-fun z () (Seq (_ BitVec 1))) (assert (= (seq.len x) 1)) (assert (= (seq.len y) 1)) (assert (= (seq.len z) 1)) (assert (distinct x y z)) (check-sat)