code: public static void main( String[] args)
      {
      int exitCode = 0;
      try
        {
        ReducerCommand reducer = new ReducerCommand();
        reducer.run( new Options( args));
        }
      catch( Exception e)
        {
        exitCode = 1;
        e.printStackTrace( System.err);
        }
      finally
        {
        System.exit( exitCode);
        }
      }
docs: For a {@link SystemInputDef system input definition}, updates the associated {@link GeneratorSet test case generators}
  to reduce the number of generated test cases, using the given {@link Options command line options}.
  <P/>
  @see ReducerCommand#run