digraph petrinet {
    PROGRAM_END [shape="circle" xlabel="PROGRAM_END" label=""];
    PROGRAM_PANIC [shape="circle" xlabel="PROGRAM_PANIC" label=""];
    PROGRAM_START [shape="circle" xlabel="PROGRAM_START" label="•"];
    main_BB1 [shape="circle" xlabel="main_BB1" label=""];
    main_BB2 [shape="circle" xlabel="main_BB2" label=""];
    main_BB3 [shape="circle" xlabel="main_BB3" label=""];
    main_BB4 [shape="circle" xlabel="main_BB4" label=""];
    main_PANIC [shape="box" xlabel="" label="main_PANIC"];
    main_RETURN [shape="box" xlabel="" label="main_RETURN"];
    main_SWITCH_INT_FROM_BB1_TO_BB2 [shape="box" xlabel="" label="main_SWITCH_INT_FROM_BB1_TO_BB2"];
    main_SWITCH_INT_FROM_BB1_TO_BB3 [shape="box" xlabel="" label="main_SWITCH_INT_FROM_BB1_TO_BB3"];
    simple_function_0_RETURN [shape="box" xlabel="" label="simple_function_0_RETURN"];
    simple_function_1_RETURN [shape="box" xlabel="" label="simple_function_1_RETURN"];
    PROGRAM_START -> simple_function_0_RETURN;
    main_BB1 -> main_SWITCH_INT_FROM_BB1_TO_BB2;
    main_BB1 -> main_SWITCH_INT_FROM_BB1_TO_BB3;
    main_BB2 -> main_PANIC;
    main_BB3 -> simple_function_1_RETURN;
    main_BB4 -> main_RETURN;
    main_PANIC -> PROGRAM_PANIC;
    main_RETURN -> PROGRAM_END;
    main_SWITCH_INT_FROM_BB1_TO_BB2 -> main_BB2;
    main_SWITCH_INT_FROM_BB1_TO_BB3 -> main_BB3;
    simple_function_0_RETURN -> main_BB1;
    simple_function_1_RETURN -> main_BB4;
}