Program: 174710
Project: 174710
Buggy source:
public static void writeShopInventory(ShopBlock shopBlock,String shopItem1,String shopItem2,String shopItem3,ShopItemPriceCountRandomizer priceCountRandomizer){
  short shopItem1Flag=getFlag(shopItem1);
  short shopItem2Flag=getFlag(shopItem2);
  short shopItem3Flag=getFlag(shopItem3);
  shopBlock.getInventoryItemArgsList().getData().clear();
  shopBlock.getInventoryItemArgsList().getData().add(getInventoryItemArg(shopItem1));
  shopBlock.getInventoryItemArgsList().getData().add(getInventoryItemArg(shopItem2));
  shopBlock.getInventoryItemArgsList().getData().add(getInventoryItemArg(shopItem3));
  if (priceCountRandomizer == null) {
    List<Short> newCounts=new ArrayList<>();
    if ("String_Node_Str".equals(shopItem1) || shopItem1.endsWith("String_Node_Str")) {
      newCounts.add(shopBlock.getInventoryCountList().getData().get(0));
    }
 else {
      newCounts.add((short)1);
    }
    if ("String_Node_Str".equals(shopItem2) || shopItem2.endsWith("String_Node_Str")) {
      newCounts.add(shopBlock.getInventoryCountList().getData().get(1));
    }
 else {
      newCounts.add((short)1);
    }
    if ("String_Node_Str".equals(shopItem3) || shopItem3.endsWith("String_Node_Str")) {
      newCounts.add(shopBlock.getInventoryCountList().getData().get(2));
    }
 else {
      newCounts.add((short)1);
    }
    shopBlock.getInventoryCountList().getData().clear();
    shopBlock.getInventoryCountList().getData().addAll(newCounts);
  }
 else {
    shopBlock.getInventoryPriceList().getData().clear();
    shopBlock.getInventoryCountList().getData().clear();
    Pair<Short,Short> itemPriceAndCount=priceCountRandomizer.getItemPriceAndCount(shopItem1);
    shopBlock.getInventoryPriceList().getData().add(itemPriceAndCount.getKey());
    shopBlock.getInventoryCountList().getData().add(itemPriceAndCount.getValue());
    itemPriceAndCount=priceCountRandomizer.getItemPriceAndCount(shopItem2);
    shopBlock.getInventoryPriceList().getData().add(itemPriceAndCount.getKey());
    shopBlock.getInventoryCountList().getData().add(itemPriceAndCount.getValue());
    itemPriceAndCount=priceCountRandomizer.getItemPriceAndCount(shopItem3);
    shopBlock.getInventoryPriceList().getData().add(itemPriceAndCount.getKey());
    shopBlock.getInventoryCountList().getData().add(itemPriceAndCount.getValue());
  }
  shopBlock.getFlagList().getData().clear();
  shopBlock.getFlagList().getData().add(shopItem1Flag);
  shopBlock.getFlagList().getData().add(shopItem2Flag);
  shopBlock.getFlagList().getData().add(shopItem3Flag);
  if (shopBlock.getBlockNumber() == 185) {
    if (!"String_Node_Str".equals(shopItem1) || !shopItem1.endsWith("String_Node_Str")) {
      addLittleBrotherShopTimer(shopItem1Flag);
    }
    if (!"String_Node_Str".equals(shopItem2) || !shopItem2.endsWith("String_Node_Str")) {
      addLittleBrotherShopTimer(shopItem2Flag);
    }
    if (!"String_Node_Str".equals(shopItem3) || !shopItem3.endsWith("String_Node_Str")) {
      addLittleBrotherShopTimer(shopItem3Flag);
    }
  }
 else {
    shopBlock.getExitFlagList().getData().clear();
    shopBlock.getExitFlagList().getData().add(shopItem1Flag);
    shopBlock.getExitFlagList().getData().add(shopItem2Flag);
    shopBlock.getExitFlagList().getData().add(shopItem3Flag);
  }
  updateAskItemName(shopBlock.getString(3),shopItem1);
  updateAskItemName(shopBlock.getString(4),shopItem2);
  updateAskItemName(shopBlock.getString(5),shopItem3);
  List<Short> bunemonData=shopBlock.getBunemonText().getData();
  bunemonData.clear();
  updateBunemonText(bunemonData,shopItem1);
  bunemonData.add((short)32);
  bunemonData.add((short)262);
  bunemonData.add((short)32);
  updateBunemonText(bunemonData,shopItem2);
  bunemonData.add((short)32);
  bunemonData.add((short)262);
  bunemonData.add((short)32);
  updateBunemonText(bunemonData,shopItem3);
  if (shopBlock.getBlockNumber() == 185) {
  }
}

Fixed version (ground truth):
public static void writeShopInventory(ShopBlock shopBlock,String shopItem1,String shopItem2,String shopItem3,ShopItemPriceCountRandomizer priceCountRandomizer){
  short shopItem1Flag=getFlag(shopItem1);
  short shopItem2Flag=getFlag(shopItem2);
  short shopItem3Flag=getFlag(shopItem3);
  shopBlock.getInventoryItemArgsList().getData().clear();
  shopBlock.getInventoryItemArgsList().getData().add(getInventoryItemArg(shopItem1));
  shopBlock.getInventoryItemArgsList().getData().add(getInventoryItemArg(shopItem2));
  shopBlock.getInventoryItemArgsList().getData().add(getInventoryItemArg(shopItem3));
  if (priceCountRandomizer == null) {
    List<Short> newCounts=new ArrayList<>();
    if ("String_Node_Str".equals(shopItem1) || shopItem1.endsWith("String_Node_Str")) {
      newCounts.add(shopBlock.getInventoryCountList().getData().get(0));
    }
 else {
      newCounts.add((short)1);
    }
    if ("String_Node_Str".equals(shopItem2) || shopItem2.endsWith("String_Node_Str")) {
      newCounts.add(shopBlock.getInventoryCountList().getData().get(1));
    }
 else {
      newCounts.add((short)1);
    }
    if ("String_Node_Str".equals(shopItem3) || shopItem3.endsWith("String_Node_Str")) {
      newCounts.add(shopBlock.getInventoryCountList().getData().get(2));
    }
 else {
      newCounts.add((short)1);
    }
    shopBlock.getInventoryCountList().getData().clear();
    shopBlock.getInventoryCountList().getData().addAll(newCounts);
  }
 else {
    shopBlock.getInventoryPriceList().getData().clear();
    shopBlock.getInventoryCountList().getData().clear();
    Pair<Short,Short> itemPriceAndCount=priceCountRandomizer.getItemPriceAndCount(shopItem1);
    shopBlock.getInventoryPriceList().getData().add(itemPriceAndCount.getKey());
    shopBlock.getInventoryCountList().getData().add(itemPriceAndCount.getValue());
    itemPriceAndCount=priceCountRandomizer.getItemPriceAndCount(shopItem2);
    shopBlock.getInventoryPriceList().getData().add(itemPriceAndCount.getKey());
    shopBlock.getInventoryCountList().getData().add(itemPriceAndCount.getValue());
    itemPriceAndCount=priceCountRandomizer.getItemPriceAndCount(shopItem3);
    shopBlock.getInventoryPriceList().getData().add(itemPriceAndCount.getKey());
    shopBlock.getInventoryCountList().getData().add(itemPriceAndCount.getValue());
  }
  shopBlock.getFlagList().getData().clear();
  shopBlock.getFlagList().getData().add(shopItem1Flag);
  shopBlock.getFlagList().getData().add(shopItem2Flag);
  shopBlock.getFlagList().getData().add(shopItem3Flag);
  if (shopBlock.getBlockNumber() == 185) {
    if (!"String_Node_Str".equals(shopItem1) || !shopItem1.endsWith("String_Node_Str")) {
      addLittleBrotherShopTimer(shopItem1Flag);
    }
    if (!"String_Node_Str".equals(shopItem2) || !shopItem2.endsWith("String_Node_Str")) {
      addLittleBrotherShopTimer(shopItem2Flag);
    }
    if (!"String_Node_Str".equals(shopItem3) || !shopItem3.endsWith("String_Node_Str")) {
      addLittleBrotherShopTimer(shopItem3Flag);
    }
  }
 else {
    shopBlock.getExitFlagList().getData().clear();
    shopBlock.getExitFlagList().getData().add(shopItem1Flag);
    shopBlock.getExitFlagList().getData().add(shopItem2Flag);
    shopBlock.getExitFlagList().getData().add(shopItem3Flag);
  }
  if (shopBlock.getBlockNumber() == 490) {
    BlockStringData blockStringData=shopBlock.getString(6);
    blockStringData.getData().clear();
    blockStringData.getData().addAll(Arrays.asList((short)70,(short)8,(short)297,(short)315,(short)308,(short)321,(short)318,(short)326,(short)32,(short)320,(short)328,(short)310,(short)315,(short)264));
  }
  updateAskItemName(shopBlock.getString(3),shopItem1);
  updateAskItemName(shopBlock.getString(4),shopItem2);
  updateAskItemName(shopBlock.getString(5),shopItem3);
  List<Short> bunemonData=shopBlock.getBunemonText().getData();
  bunemonData.clear();
  updateBunemonText(bunemonData,shopItem1);
  bunemonData.add((short)32);
  bunemonData.add((short)262);
  bunemonData.add((short)32);
  updateBunemonText(bunemonData,shopItem2);
  bunemonData.add((short)32);
  bunemonData.add((short)262);
  bunemonData.add((short)32);
  updateBunemonText(bunemonData,shopItem3);
  if (shopBlock.getBlockNumber() == 185) {
  }
}