Program: 39921
Project: 39921
Buggy source:
@Override public int onStartCommand(Intent intent,int flags,int startId){
  Log.d(TAG,"String_Node_Str");
  if (intent.getAction() == null) {
    showNotification();
    startForeground(17111,notification);
  }
 else   if (isConnected() && intent.getAction().contentEquals("String_Node_Str")) {
    mBluetoothHeadsetClient.acceptCall(mDevice,BluetoothHeadsetClient.CALL_ACCEPT_NONE);
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
  }
 else   if (isConnected() && intent.getAction().contentEquals("String_Node_Str")) {
    mBluetoothHeadsetClient.rejectCall(mDevice);
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
  }
 else   if (isConnected() && intent.getAction().contentEquals("String_Node_Str")) {
    mBluetoothHeadsetClient.terminateCall(mDevice,intent.getIntExtra("String_Node_Str",0));
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
  }
 else   if (intent.getAction().contentEquals("String_Node_Str")) {
    String prefDevice=getSharedPreferences("String_Node_Str",MODE_PRIVATE).getString(MainActivity.PREF_DEVICE,null);
    BluetoothAdapter ba=BluetoothAdapter.getDefaultAdapter();
    Set<BluetoothDevice> devices=ba.getBondedDevices();
    if (devices != null) {
      for (      BluetoothDevice device : devices) {
        if (prefDevice != null && device != null && device.getAddress() != null && prefDevice.equals(device.getAddress())) {
          mDevice=device;
          break;
        }
      }
    }
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
  }
 else {
    showNotification();
    startForeground(17111,notification);
  }
  return START_STICKY;
}

Fixed version (ground truth):
@Override public int onStartCommand(Intent intent,int flags,int startId){
  Log.d(TAG,"String_Node_Str");
  if (intent.getAction() == null) {
    showNotification();
    startForeground(17111,notification);
  }
 else   if (isConnected() && intent.getAction().contentEquals("String_Node_Str")) {
    ringingHoldover=System.currentTimeMillis();
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
    mBluetoothHeadsetClient.acceptCall(mDevice,BluetoothHeadsetClient.CALL_ACCEPT_NONE);
    connectAudio();
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
  }
 else   if (isConnected() && intent.getAction().contentEquals("String_Node_Str")) {
    mBluetoothHeadsetClient.rejectCall(mDevice);
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
  }
 else   if (isConnected() && intent.getAction().contentEquals("String_Node_Str")) {
    mBluetoothHeadsetClient.terminateCall(mDevice,intent.getIntExtra("String_Node_Str",0));
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
  }
 else   if (intent.getAction().contentEquals("String_Node_Str")) {
    String prefDevice=getSharedPreferences("String_Node_Str",MODE_PRIVATE).getString(MainActivity.PREF_DEVICE,null);
    BluetoothAdapter ba=BluetoothAdapter.getDefaultAdapter();
    Set<BluetoothDevice> devices=ba.getBondedDevices();
    if (devices != null) {
      for (      BluetoothDevice device : devices) {
        if (prefDevice != null && device != null && device.getAddress() != null && prefDevice.equals(device.getAddress())) {
          mDevice=device;
          break;
        }
      }
    }
    showNotification();
    ((NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE)).notify(17111,notification);
  }
 else {
    showNotification();
    startForeground(17111,notification);
  }
  return START_STICKY;
}