Program: 169205
Project: 169205
Buggy source:
/** 
 * Handle action Sync in the provided background thread with the provided parameters.
 */
protected void handleActionSync(int numOfPages,Context context,DeviceTransport serialDriver){
  boolean broadcastSent=false;
  AndroidPreferences preferences=new AndroidPreferences(context);
  Tracker tracker=((Nightscout)context).getTracker();
  PowerManager pm=(PowerManager)context.getSystemService(Context.POWER_SERVICE);
  PowerManager.WakeLock wl=pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,"String_Node_Str");
  wl.acquire();
  if (serialDriver != null) {
    AbstractUploaderDevice uploaderDevice=AndroidUploaderDevice.getUploaderDevice(context);
    AbstractDevice device=new DexcomG4(serialDriver,preferences,uploaderDevice);
    ((DexcomG4)device).setNumOfPages(numOfPages);
    ((CdcAcmSerialDriver)serialDriver).setPowerManagementEnabled(preferences.isRootEnabled());
    try {
      DownloadResults results=device.download();
      CookieMonsterDownload download=results.getDownload();
      Uploader uploader=new Uploader(context,preferences);
      boolean uploadStatus;
      if (numOfPages < 20) {
        uploadStatus=uploader.upload(results,1);
      }
 else {
        uploadStatus=uploader.upload(results);
      }
      Log.d(TAG,"String_Node_Str" + download.download_status.name());
      EGVRecord recentEGV=new EGVRecord(download.sgv.get(download.sgv.size() - 1));
      broadcastSGVToUI(recentEGV,uploadStatus,results.getNextUploadTime() + TIME_SYNC_OFFSET,results.getDisplayTime(),results.getResultArray(),download.receiver_battery);
      broadcastSent=true;
    }
 catch (    ArrayIndexOutOfBoundsException e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
catch (    NegativeArraySizeException e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
catch (    IndexOutOfBoundsException e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
catch (    CRCFailError e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
catch (    Exception e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
  }
  if (!broadcastSent)   broadcastSGVToUI();
  wl.release();
}

Fixed version (ground truth):
/** 
 * Handle action Sync in the provided background thread with the provided parameters.
 */
protected void handleActionSync(int numOfPages,Context context,DeviceTransport serialDriver){
  boolean broadcastSent=false;
  AndroidPreferences preferences=new AndroidPreferences(context);
  Tracker tracker=((Nightscout)context).getTracker();
  PowerManager pm=(PowerManager)context.getSystemService(Context.POWER_SERVICE);
  PowerManager.WakeLock wl=pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,"String_Node_Str");
  wl.acquire();
  if (serialDriver != null) {
    AbstractUploaderDevice uploaderDevice=AndroidUploaderDevice.getUploaderDevice(context);
    AbstractDevice device=new DexcomG4(serialDriver,preferences,uploaderDevice);
    ((DexcomG4)device).setNumOfPages(numOfPages);
    ((CdcAcmSerialDriver)serialDriver).setPowerManagementEnabled(preferences.isRootEnabled());
    try {
      DownloadResults results=device.download();
      CookieMonsterDownload download=results.getDownload();
      Uploader uploader=new Uploader(context,preferences);
      boolean uploadStatus;
      if (numOfPages < 20) {
        uploadStatus=uploader.upload(results,1);
      }
 else {
        uploadStatus=uploader.upload(results);
      }
      EGVRecord recentEGV;
      if (download.download_status == DownloadStatus.SUCCESS) {
        recentEGV=new EGVRecord(download.sgv.get(download.sgv.size() - 1));
      }
 else {
        recentEGV=new EGVRecord(-1,TrendArrow.NONE,new Date(),new Date(),Noise.NOISE_NONE);
      }
      broadcastSGVToUI(recentEGV,uploadStatus,results.getNextUploadTime() + TIME_SYNC_OFFSET,results.getDisplayTime(),results.getResultArray(),download.receiver_battery);
      broadcastSent=true;
    }
 catch (    ArrayIndexOutOfBoundsException e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
catch (    NegativeArraySizeException e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
catch (    IndexOutOfBoundsException e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
catch (    CRCFailError e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
catch (    Exception e) {
      Log.wtf("String_Node_Str",e);
      tracker.send(new HitBuilders.ExceptionBuilder().setDescription("String_Node_Str").setFatal(false).build());
    }
  }
  if (!broadcastSent)   broadcastSGVToUI();
  wl.release();
}