(set-info :status unsat) (set-logic QF_BV) (declare-fun v1 () (_ BitVec 2)) (declare-fun v0 () (_ BitVec 1)) (assert (not (= (bvand ((_ zero_extend 3) v0) ((_ sign_extend 1) (concat v1 (_ bv0 1)))) (_ bv0 4)))) (check-sat)