code: private Set<Integer> findUnhandledLoadIndexes(final Set<Integer> handledLoadIndexes, final List<Instruction> lastVisitedInstructions) {
          final Set<Integer> lastLoadIndexes = InstructionFinder.findLoadIndexes(lastVisitedInstructions, RelevantInstructionReducer::isLoadIgnored);
  
          return lastLoadIndexes.stream().filter(k -> !handledLoadIndexes.contains(k)).collect(Collectors.toSet());
      }
docs: Searches for load indexes in the {@code lastVisitedInstructions} which are not contained in {@code handledLoadIndexes}.
  
  @param handledLoadIndexes      The load indexed which have been handled so far
  @param lastVisitedInstructions The last visited instructions
  @return The unhandled load indexes