code: protected synchronized void incrNumBlockFixSimulationFailures(long incr) {
      if (incr < 0) {
        throw new IllegalArgumentException("Cannot increment by negative value " +
                                           incr);
      }
      
      RaidNodeMetrics.getInstance(RaidNodeMetrics.DEFAULT_NAMESPACE_ID).
        blockFixSimulationFailures.inc(incr);
      numBlockFixSimulationFailures += incr;
    }
docs: Increments the number of new code file fixing verification failures