output: #fixed code
                               private View getViewOnListLine(AbsListView absListView, int lineIndex){
  		final long endTime = SystemClock.uptimeMillis() + Timeout.getSmallTimeout();
  		View view = absListView.getChildAt(lineIndex);
  
  		while(view == null){
  			final boolean timedOut = SystemClock.uptimeMillis() > endTime;
  			if (timedOut){
  				Assert.fail("View is null and can therefore not be clicked!");
  			}
  			sleeper.sleep();
  			absListView = (AbsListView) viewFetcher.getIdenticalView(absListView);
  			if(absListView != null){
  				view = absListView.getChildAt(lineIndex);
  			}
  		}
  		return view;
  	}
input: #vulnerable code 
                               private View getViewOnListLine(AbsListView absListView, int lineIndex){
  		final long endTime = SystemClock.uptimeMillis() + Timeout.getSmallTimeout();
  		View view = absListView.getChildAt(lineIndex);
  
  		while(view == null){
  			final boolean timedOut = SystemClock.uptimeMillis() > endTime;
  			if (timedOut){
  				Assert.fail("View is null and can therefore not be clicked!");
  			}
  			sleeper.sleep();
  			absListView = (AbsListView) viewFetcher.getIdenticalView(absListView);
  			view = absListView.getChildAt(lineIndex);
  		}
  		return view;
  	} 
                              #location 12 
                              #vulnerability type NULL_DEREFERENCE