(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)
(assert (distinct l0 l1 l2 l3 l4 l5 l6 l7))

(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) (c^0 Int) (ox^0 Int) (oy^0 Int) (x^0 Int) (y^0 Int) ) Bool
  (cfg_init pc^0 l7 true))

(define-fun next_main (
                 (pc^0 Loc) (c^0 Int) (ox^0 Int) (oy^0 Int) (x^0 Int) (y^0 Int)
                 (pc^post Loc) (c^post Int) (ox^post Int) (oy^post Int) (x^post Int) (y^post Int)
             ) Bool
  (or
    (cfg_trans2 pc^0 l0 pc^post l1 (and (and (and (and (and (and (<= (+ 0 ox^0) (+ 0 x^0)) (<= (+ 0 oy^0) (+ 0 y^0))) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= x^0 x^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l0 pc^post l2 (and (and (and (and (= x^post (+ 0 x^0)) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l3 pc^post l2 (and (and (and (and (and (<= (+ 0 c^0) 0) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= x^0 x^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l3 pc^post l2 (and (and (and (and (= ox^post (+ 0 x^0)) (= oy^post (+ 0 y^0))) (= c^post 1)) (= x^0 x^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l4 pc^post l3 (and (and (and (and (and (<= (+ 0 c^0) 0) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= x^0 x^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l4 pc^post l0 (and (and (and (and (and (<= 1 (+ 0 c^0)) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= x^0 x^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l5 pc^post l4 (and (and (and (and (= y^post (+ -1 y^0)) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= x^0 x^post)))
    (cfg_trans2 pc^0 l5 pc^post l4 (and (and (and (and (= x^post (+ -1 x^0)) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l2 pc^post l5 (and (and (and (and (and (and (<= 1 (+ 0 x^0)) (<= 1 (+ 0 y^0))) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= x^0 x^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l6 pc^post l2 (and (and (and (and (and (<= (+ 0 c^0) 0) (= c^0 c^post)) (= ox^0 ox^post)) (= oy^0 oy^post)) (= x^0 x^post)) (= y^0 y^post)))
    (cfg_trans2 pc^0 l7 pc^post l6 (and (and (and (and (= c^0 c^post) (= ox^0 ox^post)) (= oy^0 oy^post)) (= x^0 x^post)) (= y^0 y^post)))
  )
)