Program: 173432
Project: 173432
Buggy source:
/** 
 * Process a player's pass.
 * @param playerName The name of the current player (for checking purposes).
 */
@Override protected boolean pass(NullAction action,String playerName){
  String errMsg=null;
  Player player=playerManager.getCurrentPlayer();
  StartItem auctionItem=auctionItemState.value();
  while (true) {
    if (!playerName.equals(player.getId())) {
      errMsg=LocalText.getText("String_Node_Str",playerName,player.getId());
      break;
    }
    break;
  }
  if (errMsg != null) {
    DisplayBuffer.add(this,LocalText.getText("String_Node_Str",playerName,errMsg));
    return false;
  }
  ReportBuffer.add(this,LocalText.getText("String_Node_Str",playerName));
  numPasses.add(1);
  if (auctionItem != null) {
    if (numPasses.value() >= auctionItem.getBidders() - 1) {
      int price=auctionItem.getBid();
      log.debug("String_Node_Str" + auctionItem.getBidder().getId());
      if (auctionItem.needsPriceSetting() != null) {
        auctionItem.setStatus(StartItem.NEEDS_SHARE_PRICE);
      }
 else {
        assignItem(auctionItem.getBidder(),auctionItem,price,0);
      }
      auctionItemState.set(null);
      numPasses.set(0);
      playerManager.setPriorityPlayerToNext();
    }
 else {
      if (GameOption.getAsBoolean(this,"String_Node_Str")) {
        player.unblockCash(auctionItem.getBid(player));
        auctionItem.setBid(-1,player);
      }
      setNextBiddingPlayer(auctionItem);
    }
  }
 else {
    if (numPasses.value() >= playerManager.getNumberOfPlayers()) {
      ReportBuffer.add(this,LocalText.getText("String_Node_Str"));
      if (startPacket.getFirstUnsoldItem() == startPacket.getFirstItem()) {
        startPacket.getFirstItem().reduceBasePriceBy(5);
        ReportBuffer.add(this,LocalText.getText("String_Node_Str",startPacket.getFirstItem().getName(),Currency.format(this,startPacket.getFirstItem().getBasePrice())));
        numPasses.set(0);
        if (startPacket.getFirstItem().getBasePrice() == 0) {
          assignItem(playerManager.getCurrentPlayer(),startPacket.getFirstItem(),0,0);
          getRoot().getPlayerManager().setPriorityPlayerToNext();
        }
 else {
          playerManager.setCurrentToNextPlayer();
        }
      }
 else {
        numPasses.set(0);
        finishRound();
      }
    }
 else {
      playerManager.setCurrentToNextPlayer();
    }
  }
  return true;
}

Fixed version (ground truth):
/** 
 * Process a player's pass.
 * @param playerName The name of the current player (for checking purposes).
 */
@Override protected boolean pass(NullAction action,String playerName){
  String errMsg=null;
  Player player=playerManager.getCurrentPlayer();
  StartItem auctionItem=auctionItemState.value();
  while (true) {
    if (!playerName.equals(player.getId())) {
      errMsg=LocalText.getText("String_Node_Str",playerName,player.getId());
      break;
    }
    break;
  }
  if (errMsg != null) {
    DisplayBuffer.add(this,LocalText.getText("String_Node_Str",playerName,errMsg));
    return false;
  }
  ReportBuffer.add(this,LocalText.getText("String_Node_Str",playerName));
  numPasses.add(1);
  if (auctionItem != null) {
    if (numPasses.value() >= auctionItem.getBidders() - 1) {
      int price=auctionItem.getBid();
      log.debug("String_Node_Str" + auctionItem.getBidder().getId());
      if (auctionItem.needsPriceSetting() != null) {
        auctionItem.setStatus(StartItem.NEEDS_SHARE_PRICE);
      }
 else {
        assignItem(auctionItem.getBidder(),auctionItem,price,0);
      }
      auctionItemState.set(null);
      numPasses.set(0);
      playerManager.setCurrentToPriorityPlayer();
    }
 else {
      if (GameOption.getAsBoolean(this,"String_Node_Str")) {
        player.unblockCash(auctionItem.getBid(player));
        auctionItem.setBid(-1,player);
      }
      setNextBiddingPlayer(auctionItem);
    }
  }
 else {
    if (numPasses.value() >= playerManager.getNumberOfPlayers()) {
      ReportBuffer.add(this,LocalText.getText("String_Node_Str"));
      if (startPacket.getFirstUnsoldItem() == startPacket.getFirstItem()) {
        startPacket.getFirstItem().reduceBasePriceBy(5);
        ReportBuffer.add(this,LocalText.getText("String_Node_Str",startPacket.getFirstItem().getName(),Currency.format(this,startPacket.getFirstItem().getBasePrice())));
        numPasses.set(0);
        if (startPacket.getFirstItem().getBasePrice() == 0) {
          assignItem(playerManager.getCurrentPlayer(),startPacket.getFirstItem(),0,0);
          getRoot().getPlayerManager().setPriorityPlayerToNext();
        }
 else {
          playerManager.setCurrentToNextPlayer();
        }
      }
 else {
        numPasses.set(0);
        finishRound();
      }
    }
 else {
      playerManager.setCurrentToNextPlayer();
    }
  }
  return true;
}