(set-logic QF_BV) (set-info :status unsat) (declare-fun s () (_ BitVec 1)) (declare-fun t () (_ BitVec 1)) (assert (not (= (bvashr s t) (ite (= ((_ extract 0 0) s) (_ bv0 1)) (bvlshr s t) (bvnot (bvlshr (bvnot s) t)))))) (check-sat) (exit)