Program: 174706
Project: 174706
Buggy source:
public short getPrice(String itemName){
  if ("String_Node_Str".equals(itemName)) {
    if (!normalPriceWeightsPlaced) {
      normalPriceWeightsPlaced=true;
      return 10;
    }
    int priceRoll=random.nextInt(20);
    if (priceRoll == 0 || priceRoll == 1) {
      return 15;
    }
    if (priceRoll == 2) {
      return 20;
    }
    return 10;
  }
  if ("String_Node_Str".equals(itemName)) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName)) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(5);
    if (priceRoll < 3) {
      return 20;
    }
    return 25;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(4);
    if (priceRoll < 2) {
      return 35;
    }
    if (priceRoll == 2) {
      return 40;
    }
    return 45;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(5);
    if (priceRoll < 3) {
      return 55;
    }
    if (priceRoll == 3) {
      return 60;
    }
    return 50;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(2);
    if (priceRoll == 0) {
      return 45;
    }
    return 40;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(5);
    if (priceRoll < 4) {
      return 30;
    }
    return 35;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(4);
    if (priceRoll < 3) {
      return 400;
    }
    return 350;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 5;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 5;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 5;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 5;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 5;
  }
  if (itemName.contains("String_Node_Str")) {
    itemName="String_Node_Str";
  }
 else   if (itemName.contains("String_Node_Str")) {
    itemName="String_Node_Str";
  }
 else   if (itemName.contains("String_Node_Str")) {
    itemName="String_Node_Str";
  }
  if (PRICE_TIER1.contains(itemName)) {
    return (short)(40 + 5 * random.nextInt(5));
  }
 else   if (PRICE_TIER2.contains(itemName)) {
    return (short)(70 + 10 * random.nextInt(5));
  }
 else   if (PRICE_TIER3.contains(itemName)) {
    return (short)(130 + 5 * random.nextInt(5));
  }
 else   if (PRICE_TIER4.contains(itemName)) {
    return (short)(170 + 10 * random.nextInt(5));
  }
  return (short)(10 + 10 * random.nextInt(25) + 1);
}

Fixed version (ground truth):
public short getPrice(String itemName){
  if ("String_Node_Str".equals(itemName)) {
    if (!normalPriceWeightsPlaced) {
      normalPriceWeightsPlaced=true;
      return 10;
    }
    int priceRoll=random.nextInt(20);
    if (priceRoll == 0 || priceRoll == 1) {
      return 15;
    }
    if (priceRoll == 2) {
      return 20;
    }
    return 10;
  }
  if ("String_Node_Str".equals(itemName)) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName)) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(5);
    if (priceRoll < 3) {
      return 20;
    }
    return 25;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(4);
    if (priceRoll < 2) {
      return 35;
    }
    if (priceRoll == 2) {
      return 40;
    }
    return 45;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(5);
    if (priceRoll < 3) {
      return 55;
    }
    if (priceRoll == 3) {
      return 60;
    }
    return 50;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(2);
    if (priceRoll == 0) {
      return 45;
    }
    return 40;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(5);
    if (priceRoll < 4) {
      return 30;
    }
    return 35;
  }
  if ("String_Node_Str".equals(itemName)) {
    int priceRoll=random.nextInt(4);
    if (priceRoll < 3) {
      return 400;
    }
    return 350;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 10;
  }
  if ("String_Node_Str".equals(itemName) && Settings.getSurfaceItems().contains("String_Node_Str")) {
    return 1;
  }
  if (itemName.contains("String_Node_Str")) {
    itemName="String_Node_Str";
  }
 else   if (itemName.contains("String_Node_Str")) {
    itemName="String_Node_Str";
  }
 else   if (itemName.contains("String_Node_Str")) {
    itemName="String_Node_Str";
  }
  if (PRICE_TIER1.contains(itemName)) {
    return (short)(40 + 5 * random.nextInt(5));
  }
 else   if (PRICE_TIER2.contains(itemName)) {
    return (short)(70 + 10 * random.nextInt(5));
  }
 else   if (PRICE_TIER3.contains(itemName)) {
    return (short)(130 + 5 * random.nextInt(5));
  }
 else   if (PRICE_TIER4.contains(itemName)) {
    return (short)(170 + 10 * random.nextInt(5));
  }
  return (short)(10 + 10 * random.nextInt(25) + 1);
}