Program: 158257
Project: 158257
Buggy source:
/** 
 * returns a list of Permanents that produce mana sorted by the number of mana the Permanent produces that match the unpaid costs in ascending order the idea is that we should pay costs first from mana producers that produce only one type of mana and save the multi-mana producers for those costs that can't be paid by any other producers
 * @param unpaid - the amount of unpaid mana costs
 * @param game
 * @return List<Permanent>
 */
private List<MageObject> getSortedProducers(ManaCosts<ManaCost> unpaid,Game game){
  List<MageObject> unsorted=this.getAvailableManaProducers(game);
  unsorted.addAll(this.getAvailableManaProducersWithCost(game));
  Map<MageObject,Integer> scored=new HashMap<>();
  for (  MageObject mageObject : unsorted) {
    int score=0;
    for (    ManaCost cost : unpaid) {
      Abilities:       for (      ManaAbility ability : mageObject.getAbilities().getAvailableManaAbilities(Zone.BATTLEFIELD,game)) {
        for (        Mana netMana : ability.getNetMana(game)) {
          if (cost.testPay(netMana)) {
            score++;
            break Abilities;
          }
        }
      }
    }
    if (score > 0) {
      score+=mageObject.getAbilities().getAvailableManaAbilities(Zone.BATTLEFIELD,game).size();
      score+=mageObject.getAbilities().getActivatedAbilities(Zone.BATTLEFIELD).size();
      if (!mageObject.getCardType().contains(CardType.LAND)) {
        score+=2;
      }
 else       if (mageObject.getCardType().contains(CardType.CREATURE)) {
        score+=2;
      }
    }
    scored.put(mageObject,score);
  }
  return sortByValue(scored);
}

Fixed version (ground truth):
/** 
 * returns a list of Permanents that produce mana sorted by the number of mana the Permanent produces that match the unpaid costs in ascending order the idea is that we should pay costs first from mana producers that produce only one type of mana and save the multi-mana producers for those costs that can't be paid by any other producers
 * @param unpaid - the amount of unpaid mana costs
 * @param game
 * @return List<Permanent>
 */
private List<MageObject> getSortedProducers(ManaCosts<ManaCost> unpaid,Game game){
  List<MageObject> unsorted=this.getAvailableManaProducers(game);
  unsorted.addAll(this.getAvailableManaProducersWithCost(game));
  Map<MageObject,Integer> scored=new HashMap<>();
  for (  MageObject mageObject : unsorted) {
    int score=0;
    for (    ManaCost cost : unpaid) {
      Abilities:       for (      ActivatedManaAbilityImpl ability : mageObject.getAbilities().getAvailableActivatedManaAbilities(Zone.BATTLEFIELD,game)) {
        for (        Mana netMana : ability.getNetMana(game)) {
          if (cost.testPay(netMana)) {
            score++;
            break Abilities;
          }
        }
      }
    }
    if (score > 0) {
      score+=mageObject.getAbilities().getAvailableActivatedManaAbilities(Zone.BATTLEFIELD,game).size();
      score+=mageObject.getAbilities().getActivatedAbilities(Zone.BATTLEFIELD).size();
      if (!mageObject.getCardType().contains(CardType.LAND)) {
        score+=2;
      }
 else       if (mageObject.getCardType().contains(CardType.CREATURE)) {
        score+=2;
      }
    }
    scored.put(mageObject,score);
  }
  return sortByValue(scored);
}