code: public static void main(String[] args) {
          try {
              if (args.length == 1 && args[0].endsWith(".properties")) {
                  Properties properties = loadProperties(args[0]);
                  new StanBench(properties).run();
              } else {
                  new StanBench(args).run();
              }
          } catch (Exception e) {
              e.printStackTrace();
              System.exit(-1);
          }
          System.exit(0);
      }
docs: The main program executive.
  
  @param args command line arguments