Program: 162690
Project: 162690
Buggy source:
protected boolean deferScanIfNeeded(){
  long millisecondsUntilStart=mNextScanCycleStartTime - System.currentTimeMillis();
  if (millisecondsUntilStart > 0) {
    if (true) {
      long secsSinceLastDetection=System.currentTimeMillis() - DetectionTracker.getInstance().getLastDetectionTime();
      if (mScanDeferredBefore == false) {
        if (secsSinceLastDetection > BACKGROUND_L_SCAN_DETECTION_PERIOD_MILLIS) {
          mBackgroundLScanStartTime=System.currentTimeMillis();
          mBackgroundLScanFirstDetectionTime=0l;
          LogManager.d(TAG,"String_Node_Str");
          ScanSettings settings=(new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_LOW_POWER)).build();
          try {
            if (getScanner() != null) {
              getScanner().startScan(new ScanFilterUtils().createScanFiltersForBeaconParsers(mBeaconManager.getBeaconParsers()),settings,getNewLeScanCallback());
            }
          }
 catch (          IllegalStateException e) {
            LogManager.w(TAG,"String_Node_Str");
          }
        }
 else {
          LogManager.d(TAG,"String_Node_Str" + "String_Node_Str",secsSinceLastDetection);
        }
      }
      if (mBackgroundLScanStartTime > 0l) {
        if (DetectionTracker.getInstance().getLastDetectionTime() > mBackgroundLScanStartTime) {
          if (mBackgroundLScanFirstDetectionTime == 0l) {
            mBackgroundLScanFirstDetectionTime=DetectionTracker.getInstance().getLastDetectionTime();
          }
          if (System.currentTimeMillis() - mBackgroundLScanFirstDetectionTime >= BACKGROUND_L_SCAN_DETECTION_PERIOD_MILLIS) {
            LogManager.d(TAG,"String_Node_Str");
            try {
              if (getScanner() != null) {
                getScanner().stopScan((android.bluetooth.le.ScanCallback)getNewLeScanCallback());
              }
            }
 catch (            IllegalStateException e) {
              LogManager.w(TAG,"String_Node_Str");
            }
            mBackgroundLScanStartTime=0l;
          }
 else {
            LogManager.d(TAG,"String_Node_Str");
            mCycledLeScanCallback.onCycleEnd();
          }
        }
      }
    }
    LogManager.d(TAG,"String_Node_Str",millisecondsUntilStart);
    if (mScanDeferredBefore == false && mBackgroundFlag) {
      setWakeUpAlarm();
    }
    mHandler.postDelayed(new Runnable(){
      @Override public void run(){
        scanLeDevice(true);
      }
    }
,millisecondsUntilStart > 1000 ? 1000 : millisecondsUntilStart);
    mScanDeferredBefore=true;
    return true;
  }
 else {
    if (mBackgroundLScanStartTime > 0l) {
      try {
        if (getScanner() != null) {
          getScanner().stopScan((android.bluetooth.le.ScanCallback)getNewLeScanCallback());
        }
      }
 catch (      IllegalStateException e) {
        LogManager.w(TAG,"String_Node_Str");
      }
      if (getScanner() != null) {
        getScanner().stopScan(getNewLeScanCallback());
      }
      mBackgroundLScanStartTime=0;
    }
    mScanDeferredBefore=false;
  }
  return false;
}

Fixed version (ground truth):
protected boolean deferScanIfNeeded(){
  long millisecondsUntilStart=mNextScanCycleStartTime - System.currentTimeMillis();
  if (millisecondsUntilStart > 0) {
    if (true) {
      long secsSinceLastDetection=System.currentTimeMillis() - DetectionTracker.getInstance().getLastDetectionTime();
      if (mScanDeferredBefore == false) {
        if (secsSinceLastDetection > BACKGROUND_L_SCAN_DETECTION_PERIOD_MILLIS) {
          mBackgroundLScanStartTime=System.currentTimeMillis();
          mBackgroundLScanFirstDetectionTime=0l;
          LogManager.d(TAG,"String_Node_Str");
          ScanSettings settings=(new ScanSettings.Builder().setScanMode(ScanSettings.SCAN_MODE_LOW_POWER)).build();
          try {
            if (getScanner() != null) {
              getScanner().startScan(new ScanFilterUtils().createScanFiltersForBeaconParsers(mBeaconManager.getBeaconParsers()),settings,getNewLeScanCallback());
            }
          }
 catch (          IllegalStateException e) {
            LogManager.w(TAG,"String_Node_Str");
          }
        }
 else {
          LogManager.d(TAG,"String_Node_Str" + "String_Node_Str",secsSinceLastDetection);
        }
      }
      if (mBackgroundLScanStartTime > 0l) {
        if (DetectionTracker.getInstance().getLastDetectionTime() > mBackgroundLScanStartTime) {
          if (mBackgroundLScanFirstDetectionTime == 0l) {
            mBackgroundLScanFirstDetectionTime=DetectionTracker.getInstance().getLastDetectionTime();
          }
          if (System.currentTimeMillis() - mBackgroundLScanFirstDetectionTime >= BACKGROUND_L_SCAN_DETECTION_PERIOD_MILLIS) {
            LogManager.d(TAG,"String_Node_Str");
            try {
              if (getScanner() != null) {
                getScanner().stopScan((android.bluetooth.le.ScanCallback)getNewLeScanCallback());
              }
            }
 catch (            IllegalStateException e) {
              LogManager.w(TAG,"String_Node_Str");
            }
            mBackgroundLScanStartTime=0l;
          }
 else {
            LogManager.d(TAG,"String_Node_Str");
            mCycledLeScanCallback.onCycleEnd();
          }
        }
      }
    }
    LogManager.d(TAG,"String_Node_Str",millisecondsUntilStart);
    if (mScanDeferredBefore == false && mBackgroundFlag) {
      setWakeUpAlarm();
    }
    mHandler.postDelayed(new Runnable(){
      @Override public void run(){
        scanLeDevice(true);
      }
    }
,millisecondsUntilStart > 1000 ? 1000 : millisecondsUntilStart);
    mScanDeferredBefore=true;
    return true;
  }
 else {
    if (mBackgroundLScanStartTime > 0l) {
      try {
        if (getScanner() != null) {
          getScanner().stopScan((android.bluetooth.le.ScanCallback)getNewLeScanCallback());
        }
      }
 catch (      IllegalStateException e) {
        LogManager.w(TAG,"String_Node_Str");
      }
      mBackgroundLScanStartTime=0;
    }
    mScanDeferredBefore=false;
  }
  return false;
}