(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) (x^0 Int) ) Bool (cfg_init pc^0 l4 true)) (define-fun next_main ( (pc^0 Loc) (x^0 Int) (pc^post Loc) (x^post Int) ) Bool (or (cfg_trans2 pc^0 l0 pc^post l1 (and (<= 1 (+ 0 x^0)) (= x^post x^post))) (cfg_trans2 pc^0 l1 pc^post l0 (= x^0 x^post)) (cfg_trans2 pc^0 l0 pc^post l2 (and (<= 1 (+ 0 x^0)) (= x^post (+ -1 x^0)))) (cfg_trans2 pc^0 l2 pc^post l0 (= x^0 x^post)) (cfg_trans2 pc^0 l3 pc^post l0 (= x^0 x^post)) (cfg_trans2 pc^0 l4 pc^post l3 (= x^0 x^post)) ) )