(set-logic QF_BV) (set-info :status unsat) (declare-const v0 (_ BitVec 16)) (declare-const v1 (_ BitVec 16)) (assert (= #b1 (bvnot (ite (= v0 ((_ extract 31 16) (concat v0 v1))) #b1 #b0)))) (check-sat)