(declare-sort Loc 0) (declare-const l0 Loc) (declare-const l1 Loc) (declare-const l2 Loc) (assert (distinct l0 l1 l2)) (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) ) Bool (cfg_init pc^0 l2 true)) (define-fun next_main ( (pc^0 Loc) (pc^post Loc) ) Bool (or (cfg_trans2 pc^0 l0 pc^post l1 (<= 2 0)) (cfg_trans2 pc^0 l2 pc^post l0 (<= 0 0)) ) )