Program: 158976
Project: 158976
Buggy source:
@Override public boolean apply(Game game,Ability source){
  Player controller=game.getPlayer(source.getControllerId());
  Target target=new TargetPermanentOrPlayerWithCounter(0,Integer.MAX_VALUE,true);
  if (target.canChoose(controller.getId(),game)) {
    boolean abilityApplied=false;
    Map<String,Serializable> options=new HashMap<>();
    options.put("String_Node_Str","String_Node_Str");
    while (target.canChoose(controller.getId(),game)) {
      if (controller.choose(Outcome.Benefit,target,source.getSourceId(),game,options)) {
        break;
      }
    }
    for (int idx=0; idx < target.getTargets().size(); idx++) {
      UUID chosen=(UUID)target.getTargets().get(idx);
      Permanent permanent=game.getPermanent(chosen);
      if (permanent != null) {
        if (permanent.getCounters().size() > 0) {
          if (permanent.getCounters().size() == 1) {
            for (            Counter counter : permanent.getCounters().values()) {
              permanent.addCounters(counter.getName(),1,game);
            }
          }
 else {
            Choice choice=new ChoiceImpl(true);
            Set<String> choices=new HashSet<>();
            for (            Counter counter : permanent.getCounters().values()) {
              choices.add(counter.getName());
            }
            choice.setChoices(choices);
            choice.setMessage("String_Node_Str" + permanent.getName() + "String_Node_Str");
            controller.choose(Outcome.Benefit,choice,game);
            for (            Counter counter : permanent.getCounters().values()) {
              if (counter.getName().equals(choice.getChoice())) {
                permanent.addCounters(counter.getName(),1,game);
                break;
              }
            }
          }
        }
      }
 else {
        Player player=game.getPlayer(chosen);
        if (player != null) {
          if (player.getCounters().size() > 0) {
            if (player.getCounters().size() == 1) {
              for (              Counter counter : player.getCounters().values()) {
                Counter newCounter=new Counter(counter.getName());
                player.addCounters(newCounter,game);
              }
            }
 else {
              Choice choice=new ChoiceImpl(true);
              Set<String> choices=new HashSet<>();
              for (              Counter counter : player.getCounters().values()) {
                choices.add(counter.getName());
              }
              choice.setChoices(choices);
              choice.setMessage("String_Node_Str" + player.getName() + "String_Node_Str");
              controller.choose(Outcome.Benefit,choice,game);
              for (              Counter counter : player.getCounters().values()) {
                if (counter.getName().equals(choice.getChoice())) {
                  Counter newCounter=new Counter(counter.getName());
                  player.addCounters(newCounter,game);
                  break;
                }
              }
            }
          }
        }
      }
    }
    return abilityApplied;
  }
  return false;
}

Fixed version (ground truth):
@Override public boolean apply(Game game,Ability source){
  Player controller=game.getPlayer(source.getControllerId());
  if (controller == null) {
    return false;
  }
  Target target=new TargetPermanentOrPlayerWithCounter(0,Integer.MAX_VALUE,true);
  Map<String,Serializable> options=new HashMap<>();
  options.put("String_Node_Str","String_Node_Str");
  controller.choose(Outcome.Benefit,target,source.getSourceId(),game,options);
  for (int idx=0; idx < target.getTargets().size(); idx++) {
    UUID chosen=(UUID)target.getTargets().get(idx);
    Permanent permanent=game.getPermanent(chosen);
    if (permanent != null) {
      if (permanent.getCounters().size() > 0) {
        if (permanent.getCounters().size() == 1) {
          for (          Counter counter : permanent.getCounters().values()) {
            permanent.addCounters(counter.getName(),1,game);
          }
        }
 else {
          Choice choice=new ChoiceImpl(true);
          Set<String> choices=new HashSet<>();
          for (          Counter counter : permanent.getCounters().values()) {
            choices.add(counter.getName());
          }
          choice.setChoices(choices);
          choice.setMessage("String_Node_Str" + permanent.getName() + "String_Node_Str");
          controller.choose(Outcome.Benefit,choice,game);
          for (          Counter counter : permanent.getCounters().values()) {
            if (counter.getName().equals(choice.getChoice())) {
              permanent.addCounters(counter.getName(),1,game);
              break;
            }
          }
        }
      }
    }
 else {
      Player player=game.getPlayer(chosen);
      if (player != null) {
        if (player.getCounters().size() > 0) {
          if (player.getCounters().size() == 1) {
            for (            Counter counter : player.getCounters().values()) {
              Counter newCounter=new Counter(counter.getName());
              player.addCounters(newCounter,game);
            }
          }
 else {
            Choice choice=new ChoiceImpl(true);
            Set<String> choices=new HashSet<>();
            for (            Counter counter : player.getCounters().values()) {
              choices.add(counter.getName());
            }
            choice.setChoices(choices);
            choice.setMessage("String_Node_Str" + player.getName() + "String_Node_Str");
            controller.choose(Outcome.Benefit,choice,game);
            for (            Counter counter : player.getCounters().values()) {
              if (counter.getName().equals(choice.getChoice())) {
                Counter newCounter=new Counter(counter.getName());
                player.addCounters(newCounter,game);
                break;
              }
            }
          }
        }
      }
    }
  }
  return true;
}