#vulnerable code 
                             @Override
	public boolean isMe(A array) {
		checkAvailability();
		return objectArray == array;
	} 
                            #location 4 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                             @Override
	public boolean isMe(A array) {
		checkAvailability();
		return getObjectArray() == array;
	}