(declare-sort Loc 0)
(declare-const l0 Loc)
(declare-const l1 Loc)
(declare-const l2 Loc)
(declare-const l3 Loc)
(declare-const l4 Loc)
(assert (distinct l0 l1 l2 l3 l4))

(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) (rt_11^0 Int) (st_14^0 Int) (x_13^0 Int) (y_15^0 Int) ) Bool
  (cfg_init pc^0 l4 true))

(define-fun next_main (
                 (pc^0 Loc) (rt_11^0 Int) (st_14^0 Int) (x_13^0 Int) (y_15^0 Int)
                 (pc^post Loc) (rt_11^post Int) (st_14^post Int) (x_13^post Int) (y_15^post Int)
             ) Bool
  (or
    (cfg_trans2 pc^0 l0 pc^post l1 (and (and (and (= rt_11^0 rt_11^post) (= st_14^0 st_14^post)) (= x_13^0 x_13^post)) (= y_15^0 y_15^post)))
    (cfg_trans2 pc^0 l1 pc^post l2 (and (and (and (and (<= (+ 0 x_13^0) 0) (= rt_11^post (+ 0 st_14^0))) (= st_14^0 st_14^post)) (= x_13^0 x_13^post)) (= y_15^0 y_15^post)))
    (cfg_trans2 pc^0 l1 pc^post l3 (and (and (and (and (<= 1 (+ 0 x_13^0)) (= x_13^post (+ (+ 0 x_13^0) y_15^0))) (= y_15^post (+ -1 y_15^0))) (= rt_11^0 rt_11^post)) (= st_14^0 st_14^post)))
    (cfg_trans2 pc^0 l3 pc^post l1 (and (and (and (= rt_11^0 rt_11^post) (= st_14^0 st_14^post)) (= x_13^0 x_13^post)) (= y_15^0 y_15^post)))
    (cfg_trans2 pc^0 l4 pc^post l0 (and (and (and (= rt_11^0 rt_11^post) (= st_14^0 st_14^post)) (= x_13^0 x_13^post)) (= y_15^0 y_15^post)))
  )
)