Program: 158260
Project: 158260
Buggy source:
protected void findPlayables(Game game){
  playableInstant.clear();
  playableNonInstant.clear();
  unplayable.clear();
  playableAbilities.clear();
  Set<Card> nonLands=hand.getCards(new FilterNonlandCard(),game);
  ManaOptions available=getManaAvailable(game);
  available.addMana(manaPool.getMana());
  for (  Card card : nonLands) {
    ManaOptions options=card.getManaCost().getOptions();
    if (card.getManaCost().getVariableCosts().size() > 0) {
      for (      Mana option : options) {
        option.add(Mana.GenericMana(3));
      }
    }
    for (    Mana mana : options) {
      for (      Mana avail : available) {
        if (mana.enough(avail)) {
          SpellAbility ability=card.getSpellAbility();
          if (ability != null && ability.canActivate(playerId,game) && game.getContinuousEffects().preventedByRuleModification(GameEvent.getEvent(GameEvent.EventType.CAST_SPELL,ability.getSourceId(),ability.getSourceId(),playerId),ability,game,true)) {
            if (card.getCardType().contains(CardType.INSTANT) || card.hasAbility(FlashAbility.getInstance().getId(),game)) {
              playableInstant.add(card);
            }
 else {
              playableNonInstant.add(card);
            }
          }
        }
 else         if (!playableInstant.contains(card) && !playableNonInstant.contains(card)) {
          unplayable.put(mana.needed(avail),card);
        }
      }
    }
  }
  for (  Permanent permanent : game.getBattlefield().getAllActivePermanents(playerId)) {
    for (    ActivatedAbility ability : permanent.getAbilities().getActivatedAbilities(Zone.BATTLEFIELD)) {
      if (!(ability instanceof ManaAbility) && ability.canActivate(playerId,game)) {
        if (ability instanceof EquipAbility && permanent.getAttachedTo() != null) {
          continue;
        }
        ManaOptions abilityOptions=ability.getManaCosts().getOptions();
        if (ability.getManaCosts().getVariableCosts().size() > 0) {
          for (          Mana option : abilityOptions) {
            option.add(Mana.GenericMana(3));
          }
        }
        if (abilityOptions.isEmpty()) {
          playableAbilities.add(ability);
        }
 else {
          for (          Mana mana : abilityOptions) {
            for (            Mana avail : available) {
              if (mana.enough(avail)) {
                playableAbilities.add(ability);
              }
            }
          }
        }
      }
    }
  }
  for (  Card card : graveyard.getCards(game)) {
    for (    ActivatedAbility ability : card.getAbilities().getActivatedAbilities(Zone.GRAVEYARD)) {
      if (ability.canActivate(playerId,game)) {
        ManaOptions abilityOptions=ability.getManaCosts().getOptions();
        if (abilityOptions.isEmpty()) {
          playableAbilities.add(ability);
        }
 else {
          for (          Mana mana : abilityOptions) {
            for (            Mana avail : available) {
              if (mana.enough(avail)) {
                playableAbilities.add(ability);
              }
            }
          }
        }
      }
    }
  }
  if (log.isDebugEnabled()) {
    log.debug("String_Node_Str" + playableInstant.toString() + "String_Node_Str"+ playableNonInstant.toString()+ "String_Node_Str"+ playableAbilities.toString());
  }
}

Fixed version (ground truth):
protected void findPlayables(Game game){
  playableInstant.clear();
  playableNonInstant.clear();
  unplayable.clear();
  playableAbilities.clear();
  Set<Card> nonLands=hand.getCards(new FilterNonlandCard(),game);
  ManaOptions available=getManaAvailable(game);
  available.addMana(manaPool.getMana());
  for (  Card card : nonLands) {
    ManaOptions options=card.getManaCost().getOptions();
    if (card.getManaCost().getVariableCosts().size() > 0) {
      for (      Mana option : options) {
        option.add(Mana.GenericMana(3));
      }
    }
    for (    Mana mana : options) {
      for (      Mana avail : available) {
        if (mana.enough(avail)) {
          SpellAbility ability=card.getSpellAbility();
          if (ability != null && ability.canActivate(playerId,game) && game.getContinuousEffects().preventedByRuleModification(GameEvent.getEvent(GameEvent.EventType.CAST_SPELL,ability.getSourceId(),ability.getSourceId(),playerId),ability,game,true)) {
            if (card.getCardType().contains(CardType.INSTANT) || card.hasAbility(FlashAbility.getInstance().getId(),game)) {
              playableInstant.add(card);
            }
 else {
              playableNonInstant.add(card);
            }
          }
        }
 else         if (!playableInstant.contains(card) && !playableNonInstant.contains(card)) {
          unplayable.put(mana.needed(avail),card);
        }
      }
    }
  }
  for (  Permanent permanent : game.getBattlefield().getAllActivePermanents(playerId)) {
    for (    ActivatedAbility ability : permanent.getAbilities().getActivatedAbilities(Zone.BATTLEFIELD)) {
      if (!(ability instanceof ActivatedManaAbilityImpl) && ability.canActivate(playerId,game)) {
        if (ability instanceof EquipAbility && permanent.getAttachedTo() != null) {
          continue;
        }
        ManaOptions abilityOptions=ability.getManaCosts().getOptions();
        if (ability.getManaCosts().getVariableCosts().size() > 0) {
          for (          Mana option : abilityOptions) {
            option.add(Mana.GenericMana(3));
          }
        }
        if (abilityOptions.isEmpty()) {
          playableAbilities.add(ability);
        }
 else {
          for (          Mana mana : abilityOptions) {
            for (            Mana avail : available) {
              if (mana.enough(avail)) {
                playableAbilities.add(ability);
              }
            }
          }
        }
      }
    }
  }
  for (  Card card : graveyard.getCards(game)) {
    for (    ActivatedAbility ability : card.getAbilities().getActivatedAbilities(Zone.GRAVEYARD)) {
      if (ability.canActivate(playerId,game)) {
        ManaOptions abilityOptions=ability.getManaCosts().getOptions();
        if (abilityOptions.isEmpty()) {
          playableAbilities.add(ability);
        }
 else {
          for (          Mana mana : abilityOptions) {
            for (            Mana avail : available) {
              if (mana.enough(avail)) {
                playableAbilities.add(ability);
              }
            }
          }
        }
      }
    }
  }
  if (log.isDebugEnabled()) {
    log.debug("String_Node_Str" + playableInstant.toString() + "String_Node_Str"+ playableNonInstant.toString()+ "String_Node_Str"+ playableAbilities.toString());
  }
}