(set-logic QF_BV)
(set-info :status unsat)
(declare-fun a () (_ BitVec 32))
(declare-fun b () (_ BitVec 32))
(assert (not (= (bvmul a (_ bv4294967040 32)) (bvshl (bvneg a) (_ bv8 32)))))
(check-sat)