Program: 173860
Project: 173860
Buggy source:
/** 
 * A (perhaps temporary) method via which the cost of track laying can be accounted for.
 * @param companyName The name of the company that lays the track.
 * @param amountSpent The cost of laying the track, which is subtracted from the company treasury.
 */
public boolean layTile(String companyName,MapHex hex,TileI tile,int orientation){
  String errMsg=null;
  int cost=0;
  SpecialTileLay stl=null;
  while (true) {
    if (!companyName.equals(operatingCompany.getName())) {
      errMsg="String_Node_Str" + companyName + "String_Node_Str"+ operatingCompany.getName()+ "String_Node_Str";
      break;
    }
    if (step != STEP_LAY_TRACK) {
      errMsg="String_Node_Str";
      break;
    }
    if (tile == null)     break;
    if (!tile.isLayableNow()) {
      errMsg="String_Node_Str" + tile.getName() + "String_Node_Str";
      break;
    }
    if (tile.countFreeTiles() == 0) {
      errMsg="String_Node_Str" + tile.getName() + "String_Node_Str";
      break;
    }
    if (currentSpecialProperties != null) {
      stl=(SpecialTileLay)checkForUseOfSpecialProperty(hex);
      if (stl == null && normalTileLaysDone >= normalTileLaysAllowed) {
        errMsg="String_Node_Str";
        break;
      }
    }
    if (hex.getCurrentTile().getId() == hex.getPreprintedTileId()) {
      cost=hex.getTileCost();
    }
 else {
      cost=0;
    }
    if (cost < 0) {
      errMsg="String_Node_Str";
      break;
    }
    if (cost % 10 != 0) {
      errMsg="String_Node_Str";
      break;
    }
    if (cost > operatingCompany.getCash()) {
      errMsg="String_Node_Str";
      break;
    }
    break;
  }
  if (errMsg != null) {
    Log.error("String_Node_Str" + errMsg);
    return false;
  }
  if (tile != null) {
    hex.upgrade(tile,orientation);
    if (cost > 0)     Bank.transferCash((CashHolder)operatingCompany,null,cost);
    tileLayCost[operatingCompanyIndex]=cost;
    tilesLaid[operatingCompanyIndex]=Util.appendWithComma(tilesLaid[operatingCompanyIndex],"String_Node_Str" + tile.getName() + "String_Node_Str"+ hex.getName()+ "String_Node_Str"+ MapHex.getOrientationName(orientation));
    Log.write(operatingCompany.getName() + "String_Node_Str" + tile.getName()+ "String_Node_Str"+ hex.getName()+ (cost > 0 ? "String_Node_Str" + Bank.format(cost) : "String_Node_Str"));
    if (stl != null) {
      stl.setExercised();
      if (stl.isExtra())       extraTileLaysDone++;
 else       normalTileLaysDone++;
      currentSpecialProperties=operatingCompany.getPortfolio().getSpecialProperties(game.special.SpecialTileLay.class);
    }
 else {
      normalTileLaysDone++;
    }
  }
  if (tile == null || normalTileLaysDone >= normalTileLaysAllowed && extraTileLaysDone >= extraTileLaysAllowed) {
    nextStep(operatingCompany);
  }
  return true;
}

Fixed version (ground truth):
/** 
 * A (perhaps temporary) method via which the cost of track laying can be accounted for.
 * @param companyName The name of the company that lays the track.
 * @param amountSpent The cost of laying the track, which is subtracted from the company treasury.
 */
public boolean layTile(String companyName,MapHex hex,TileI tile,int orientation){
  String errMsg=null;
  int cost=0;
  SpecialTileLay stl=null;
  while (true) {
    if (!companyName.equals(operatingCompany.getName())) {
      errMsg="String_Node_Str" + companyName + "String_Node_Str"+ operatingCompany.getName()+ "String_Node_Str";
      break;
    }
    if (step != STEP_LAY_TRACK) {
      errMsg="String_Node_Str";
      break;
    }
    if (tile == null)     break;
    if (!tile.isLayableNow()) {
      errMsg="String_Node_Str" + tile.getName() + "String_Node_Str";
      break;
    }
    if (tile.countFreeTiles() == 0) {
      errMsg="String_Node_Str" + tile.getName() + "String_Node_Str";
      break;
    }
    if (currentSpecialProperties != null) {
      stl=(SpecialTileLay)checkForUseOfSpecialProperty(hex);
      if (stl == null && normalTileLaysDone >= normalTileLaysAllowed) {
        errMsg="String_Node_Str";
        break;
      }
    }
    if (hex.getCurrentTile().getId() == hex.getPreprintedTileId()) {
      cost=hex.getTileCost();
    }
 else {
      cost=0;
    }
    if (cost < 0) {
      errMsg="String_Node_Str";
      break;
    }
    if (cost % 10 != 0) {
      errMsg="String_Node_Str";
      break;
    }
    if (cost > operatingCompany.getCash()) {
      errMsg="String_Node_Str";
      break;
    }
    break;
  }
  if (errMsg != null) {
    Log.error("String_Node_Str" + hex.getName() + "String_Node_Str"+ Bank.format(cost)+ "String_Node_Str"+ errMsg);
    return false;
  }
  if (tile != null) {
    hex.upgrade(tile,orientation);
    if (cost > 0)     Bank.transferCash((CashHolder)operatingCompany,null,cost);
    tileLayCost[operatingCompanyIndex]=cost;
    tilesLaid[operatingCompanyIndex]=Util.appendWithComma(tilesLaid[operatingCompanyIndex],"String_Node_Str" + tile.getName() + "String_Node_Str"+ hex.getName()+ "String_Node_Str"+ MapHex.getOrientationName(orientation));
    Log.write(operatingCompany.getName() + "String_Node_Str" + tile.getName()+ "String_Node_Str"+ hex.getName()+ (cost > 0 ? "String_Node_Str" + Bank.format(cost) : "String_Node_Str"));
    if (stl != null) {
      stl.setExercised();
      if (stl.isExtra())       extraTileLaysDone++;
 else       normalTileLaysDone++;
      currentSpecialProperties=operatingCompany.getPortfolio().getSpecialProperties(game.special.SpecialTileLay.class);
    }
 else {
      normalTileLaysDone++;
    }
  }
  if (tile == null || normalTileLaysDone >= normalTileLaysAllowed && extraTileLaysDone >= extraTileLaysAllowed) {
    nextStep(operatingCompany);
  }
  return true;
}