PLACE
    PROGRAM_END,
    PROGRAM_PANIC,
    PROGRAM_START,
    main_BB1,
    main_BB2,
    main_BB3,
    main_BB4,
    main_BB5;

MARKING
    PROGRAM_END : 0,
    PROGRAM_PANIC : 0,
    PROGRAM_START : 1,
    main_BB1 : 0,
    main_BB2 : 0,
    main_BB3 : 0,
    main_BB4 : 0,
    main_BB5 : 0;

TRANSITION main_DROP_2
  CONSUME
    main_BB2 : 1;
  PRODUCE
    main_BB3 : 1;
TRANSITION main_DROP_4
  CONSUME
    main_BB4 : 1;
  PRODUCE
    main_BB5 : 1;
TRANSITION main_RETURN
  CONSUME
    main_BB3 : 1;
  PRODUCE
    PROGRAM_END : 1;
TRANSITION main_UNWIND_5
  CONSUME
    main_BB5 : 1;
  PRODUCE
    PROGRAM_PANIC : 1;
TRANSITION std_env_args_0_CALL
  CONSUME
    PROGRAM_START : 1;
  PRODUCE
    main_BB1 : 1;
TRANSITION std_iter_ExactSizeIterator_len_0_CALL
  CONSUME
    main_BB1 : 1;
  PRODUCE
    main_BB2 : 1;
TRANSITION std_iter_ExactSizeIterator_len_0_CALL_UNWIND
  CONSUME
    main_BB1 : 1;
  PRODUCE
    main_BB4 : 1;