Program: 159815
Project: 159815
Buggy source:
@Override public void adjustCosts(Ability ability,Game game){
  Player player=game.getPlayer(controllerId);
  if (player == null || !(ability instanceof SpellAbility)) {
    return;
  }
  Target target=new TargetControlledCreaturePermanent(1,Integer.MAX_VALUE,filter,true);
  target.setTargetName("String_Node_Str");
  if (!target.canChoose(sourceId,controllerId,game)) {
    return;
  }
  if (player.chooseUse(Outcome.Detriment,"String_Node_Str",game)) {
    player.chooseTarget(Outcome.Tap,target,ability,game);
    if (target.getTargets().size() > 0) {
      int adjCost=0;
      for (      UUID creatureId : target.getTargets()) {
        Permanent perm=game.getPermanent(creatureId);
        if (perm == null) {
          continue;
        }
        Card card=game.getCard(perm.getId());
        if (card == null) {
          continue;
        }
        ManaCosts manaCostsCreature=card.getSpellAbility().getManaCosts();
        if (manaCostsCreature != null && manaCostsCreature.convertedManaCost() > 0 && perm.tap(game)) {
          Choice chooseManaType=buildChoice(manaCostsCreature,ability.getManaCostsToPay());
          if (chooseManaType.getChoices().size() > 0) {
            if (chooseManaType.getChoices().size() > 1) {
              chooseManaType.getChoices().add("String_Node_Str");
              chooseManaType.setMessage("String_Node_Str" + perm.getName());
              while (!chooseManaType.isChosen()) {
                player.choose(Outcome.Benefit,chooseManaType,game);
              }
            }
 else {
              chooseManaType.setChoice(chooseManaType.getChoices().iterator().next());
            }
            ManaCosts manaCostsToReduce=new ManaCostsImpl();
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              ++adjCost;
            }
            CardUtil.adjustCost((SpellAbility)ability,manaCostsToReduce);
          }
 else {
            ++adjCost;
          }
        }
      }
      this.getTargets().add(target);
      CardUtil.adjustCost((SpellAbility)ability,adjCost);
    }
  }
}

Fixed version (ground truth):
@Override public void adjustCosts(Ability ability,Game game){
  Player player=game.getPlayer(controllerId);
  if (player == null || !(ability instanceof SpellAbility)) {
    return;
  }
  Target target=new TargetControlledCreaturePermanent(1,Integer.MAX_VALUE,filter,true);
  target.setTargetName("String_Node_Str");
  if (!target.canChoose(sourceId,controllerId,game)) {
    return;
  }
  if (player.chooseUse(Outcome.Detriment,"String_Node_Str",game)) {
    player.chooseTarget(Outcome.Tap,target,ability,game);
    if (target.getTargets().size() > 0) {
      int adjCost=0;
      for (      UUID creatureId : target.getTargets()) {
        Permanent perm=game.getPermanent(creatureId);
        if (perm == null) {
          continue;
        }
        ManaCosts manaCostsCreature=perm.getSpellAbility().getManaCosts();
        if (manaCostsCreature != null && manaCostsCreature.convertedManaCost() > 0 && perm.tap(game)) {
          Choice chooseManaType=buildChoice(manaCostsCreature,ability.getManaCostsToPay());
          if (chooseManaType.getChoices().size() > 0) {
            if (chooseManaType.getChoices().size() > 1) {
              chooseManaType.getChoices().add("String_Node_Str");
              chooseManaType.setMessage("String_Node_Str" + perm.getName());
              while (!chooseManaType.isChosen()) {
                player.choose(Outcome.Benefit,chooseManaType,game);
              }
            }
 else {
              chooseManaType.setChoice(chooseManaType.getChoices().iterator().next());
            }
            ManaCosts manaCostsToReduce=new ManaCostsImpl();
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              manaCostsToReduce.load("String_Node_Str");
            }
            if (chooseManaType.getChoice().equals("String_Node_Str")) {
              ++adjCost;
            }
            CardUtil.adjustCost((SpellAbility)ability,manaCostsToReduce);
          }
 else {
            ++adjCost;
          }
        }
      }
      this.getTargets().add(target);
      CardUtil.adjustCost((SpellAbility)ability,adjCost);
    }
  }
}