def METHOD_NAME(config, syslog_ng, bsd_formatter):
    # Check the correct output if the logpath is the following
    # log {
    #     source(s_file);
    #     log { filter{host("host-A")}; destination(d_file1); flags(final); };
    #     log { filter{program("app-A")}; destination(d_file2); };
    #     log { destination(d_file3); flags(fallback);};
    # };
    # log { destination(d_file4); flags(catch-all);};
    # input logs:
    # Oct 11 22:14:15 host-A app-A: message from host-A and app-A
    # Oct 11 22:14:15 host-A app-B: message from host-A and app-B
    # Oct 11 22:14:15 host-B app-A: message from host-B and app-A
    # Oct 11 22:14:15 host-B app-B: message from host-B and app-B
    config.update_global_options(keep_hostname="yes")
    file_source = config.create_file_source(file_name="input.log")
    host_filter = config.create_filter(host="'host-A'")
    program_filter = config.create_filter(program="'app-A'")
    file_destination1 = config.create_file_destination(file_name="output1.log")
    file_destination2 = config.create_file_destination(file_name="output2.log")
    file_destination3 = config.create_file_destination(file_name="output3.log")
    file_destination4 = config.create_file_destination(file_name="output4.log")
    second_level_logpath1 = config.create_inner_logpath(statements=[host_filter, file_destination1], flags="final")
    second_level_logpath2 = config.create_inner_logpath(statements=[program_filter, file_destination2])
    second_level_logpath3 = config.create_inner_logpath(statements=[file_destination3], flags="fallback")
    config.create_logpath(
        statements=[file_source, second_level_logpath1, second_level_logpath2, second_level_logpath3],
    )
    config.create_logpath(statements=[file_destination4], flags="catch-all")
    expected_message1 = write_msg_with_fields(file_source, bsd_formatter, "host-A", "app-A")
    expected_message2 = write_msg_with_fields(file_source, bsd_formatter, "host-A", "app-B")
    expected_message3 = write_msg_with_fields(file_source, bsd_formatter, "host-B", "app-A")
    expected_message4 = write_msg_with_fields(file_source, bsd_formatter, "host-B", "app-B")
    syslog_ng.start(config)
    dest1_logs = file_destination1.read_logs(counter=2)
    # host("host-A") matches on first and second messages
    assert expected_message1 in dest1_logs
    assert expected_message2 in dest1_logs
    dest2_logs = file_destination2.read_logs(counter=1)
    # program("app-A") matches on first and third messages, but flags(final)
    # in previous logpath() say that first message can not arrived here
    assert expected_message3 in dest2_logs
    dest3_logs = file_destination3.read_logs(counter=1)
    # only fourth message should arrive here, because of
    # flags(fallback), only this messages was not matched before
    assert expected_message4 in dest3_logs
    dest4_logs = file_destination4.read_logs(counter=4)
    # every message should arrived into destination4
    # there is a flags(catch-all)
    assert expected_message1 in dest4_logs
    assert expected_message2 in dest4_logs
    assert expected_message3 in dest4_logs
    assert expected_message4 in dest4_logs