(declare-sort Loc 0)
(declare-const l0 Loc)
(declare-const l1 Loc)
(declare-const l2 Loc)
(declare-const l3 Loc)
(declare-const l4 Loc)
(declare-const l5 Loc)
(declare-const l6 Loc)
(declare-const l7 Loc)
(declare-const l8 Loc)
(declare-const l9 Loc)
(declare-const l10 Loc)
(declare-const l11 Loc)
(declare-const l12 Loc)
(declare-const l13 Loc)
(declare-const l14 Loc)
(declare-const l15 Loc)
(assert (distinct l0 l1 l2 l3 l4 l5 l6 l7 l8 l9 l10 l11 l12 l13 l14 l15))

(define-fun cfg_init ( (pc Loc) (src Loc) (rel Bool) ) Bool
  (and (= pc src) rel))

(define-fun cfg_trans2 ( (pc Loc) (src Loc)
                         (pc1 Loc) (dst Loc)
                         (rel Bool) ) Bool
  (and (= pc src) (= pc1 dst) rel))

(define-fun cfg_trans3 ( (pc Loc) (exit Loc)
                         (pc1 Loc) (call Loc)
                         (pc2 Loc) (return Loc)
                         (rel Bool) ) Bool
  (and (= pc exit) (= pc1 call) (= pc2 return) rel))

(define-fun init_main ( (pc^0 Loc) (K^0 Int) (N^0 Int) (next^0 Int) (pos^0 Int) (xx^0 Int) (yy^0 Int) (z^0 Int) ) Bool
  (cfg_init pc^0 l15 true))

(define-fun next_main (
                 (pc^0 Loc) (K^0 Int) (N^0 Int) (next^0 Int) (pos^0 Int) (xx^0 Int) (yy^0 Int) (z^0 Int)
                 (pc^post Loc) (K^post Int) (N^post Int) (next^post Int) (pos^post Int) (xx^post Int) (yy^post Int) (z^post Int)
             ) Bool
  (or
    (cfg_trans2 pc^0 l0 pc^post l1 (and (and (and (and (and (and (= K^post (+ -1 K^0)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l2 pc^post l3 (and (and (and (and (and (and (and (and (<= 3 (+ 0 pos^0)) (= next^post (+ 1 next^0))) (= z^post z^post)) (<= 0 (+ 0 z^post))) (= pos^post 0)) (= K^0 K^post)) (= N^0 N^post)) (= xx^0 xx^post)) (= yy^0 yy^post)))
    (cfg_trans2 pc^0 l2 pc^post l3 (and (and (and (and (and (and (and (and (<= (+ 0 pos^0) 2) (<= (+ 0 yy^0) 0)) (= pos^post (+ 1 pos^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l4 pc^post l2 (and (and (and (and (and (and (and (<= 2 (+ 0 pos^0)) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l4 pc^post l3 (and (and (and (and (and (and (and (and (<= (+ 0 pos^0) 1) (<= 1 (+ 0 yy^0))) (= pos^post (+ 1 pos^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l3 pc^post l1 (and (and (and (and (and (and (and (and (<= (+ 0 xx^0) (+ 0 yy^0)) (<= (+ 0 yy^0) (+ 0 xx^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l3 pc^post l0 (and (and (and (and (and (and (and (<= (+ 1 yy^0) (+ 0 xx^0)) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l3 pc^post l0 (and (and (and (and (and (and (and (<= (+ 1 xx^0) (+ 0 yy^0)) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l5 pc^post l4 (and (and (and (and (and (and (and (<= 1 (+ 0 pos^0)) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l5 pc^post l3 (and (and (and (and (and (and (and (and (<= (+ 0 pos^0) 0) (<= (+ 0 yy^0) 0)) (= pos^post (+ 1 pos^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l6 pc^post l3 (and (and (and (and (and (and (and (<= 1 (+ 0 z^0)) (= z^post (+ -1 z^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)))
    (cfg_trans2 pc^0 l6 pc^post l5 (and (and (and (and (and (and (and (<= (+ 0 z^0) 0) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l7 pc^post l8 (and (and (and (and (and (and (and (and (<= 3 (+ 0 pos^0)) (= next^post (+ 1 next^0))) (= z^post z^post)) (<= 0 (+ 0 z^post))) (= pos^post 0)) (= K^0 K^post)) (= N^0 N^post)) (= xx^0 xx^post)) (= yy^0 yy^post)))
    (cfg_trans2 pc^0 l7 pc^post l8 (and (and (and (and (and (and (and (and (<= (+ 0 pos^0) 2) (<= (+ 0 xx^0) 0)) (= pos^post (+ 1 pos^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l9 pc^post l7 (and (and (and (and (and (and (and (<= 2 (+ 0 pos^0)) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l9 pc^post l8 (and (and (and (and (and (and (and (and (<= (+ 0 pos^0) 1) (<= 1 (+ 0 xx^0))) (= pos^post (+ 1 pos^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l8 pc^post l6 (and (and (and (and (and (and (and (and (= yy^post yy^post) (<= 0 (+ 0 yy^post))) (<= (+ 0 yy^post) 1)) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l1 pc^post l10 (and (and (and (and (and (and (= K^0 K^post) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l11 pc^post l9 (and (and (and (and (and (and (and (<= 1 (+ 0 pos^0)) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l11 pc^post l8 (and (and (and (and (and (and (and (and (<= (+ 0 pos^0) 0) (<= (+ 0 xx^0) 0)) (= pos^post (+ 1 pos^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l12 pc^post l8 (and (and (and (and (and (and (and (<= 1 (+ 0 z^0)) (= z^post (+ -1 z^0))) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)))
    (cfg_trans2 pc^0 l12 pc^post l11 (and (and (and (and (and (and (and (<= (+ 0 z^0) 0) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l10 pc^post l13 (and (and (and (and (and (and (and (<= (+ 0 K^0) 0) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l10 pc^post l12 (and (and (and (and (and (and (and (and (and (<= 1 (+ 0 K^0)) (= xx^post xx^post)) (<= 0 (+ 0 xx^post))) (<= (+ 0 xx^post) 1)) (= K^0 K^post)) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= yy^0 yy^post)) (= z^0 z^post)))
    (cfg_trans2 pc^0 l14 pc^post l1 (and (and (and (and (and (and (and (and (= z^post z^post) (<= 0 (+ 0 z^post))) (= pos^post 0)) (= next^post 1)) (= N^post N^post)) (<= 1 (+ 0 N^post))) (= K^post (+ 0 N^post))) (= xx^post 0)) (= yy^post 0)))
    (cfg_trans2 pc^0 l15 pc^post l14 (and (and (and (and (and (and (= K^0 K^post) (= N^0 N^post)) (= next^0 next^post)) (= pos^0 pos^post)) (= xx^0 xx^post)) (= yy^0 yy^post)) (= z^0 z^post)))
  )
)