(declare-rel Invariant (Bool Bool Bool Bool Bool Bool Bool Bool Bool Bool))
(declare-rel Goal (Bool Bool Bool Bool Bool Bool Bool Bool Bool Bool))
(declare-var A Bool)
(declare-var B Bool)
(declare-var C Bool)
(declare-var D Bool)
(declare-var E Bool)
(declare-var F Bool)
(declare-var G Bool)
(declare-var H Bool)
(declare-var I Bool)
(declare-var J Bool)
(declare-var K Bool)
(declare-var L Bool)
(declare-var M Bool)
(declare-var N Bool)
(declare-var O Bool)
(declare-var P Bool)
(declare-var Q Bool)
(declare-var R Bool)
(declare-var S Bool)
(declare-var T Bool)
(rule (=> (not (or J I H G F E D C B A)) (Invariant J I H G F E D C B A)))
(rule (let ((a!1 (and (Invariant T S R Q P O N M L K)
                (=> (not (and true)) (not E))
                (=> (not (and T)) (not D))
                (=> (not (and S)) (not C))
                (=> (not (and R)) (not B))
                (=> (not (and Q)) (not A))
                (= J (xor E T))
                (= I (xor D S))
                (= H (xor C R))
                (= G (xor B Q))
                (= F (xor A P))
                (=> D (not E))
                (=> C (not D))
                (=> B (not C))
                (=> A (not B))
                ((_ at-most 3) J I H G F))))
  (=> a!1 (Invariant J I H G F E D C B A))))
(rule (=> (and (Invariant J I H G F E D C B A) (not J) (not I) (not H) (not G) F)
    (Goal J I H G F E D C B A)))

(query Goal)