Program: 164472
Project: 164472
Buggy source:
public Item cook(Seed seed){
  Class<? extends Item> plant=seed.alchemyClass;
  try {
    potionAttrib=(Potion)plant.newInstance();
  }
 catch (  Exception e) {
    return null;
  }
  potionAttrib.image=ItemSpriteSheet.BLANDFRUIT;
  if (potionAttrib instanceof PotionOfHealing) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0x2EE62E);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfStrength) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xCC0022);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfParalyticGas) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0x67583D);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfInvisibility) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xE5D273);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfLiquidFlame) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xFF7F00);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfFrost) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0x66B3FF);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfMindVision) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xB8E6CF);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfToxicGas) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xA15CE5);
    info="String_Node_Str" + "String_Node_Str";
  }
  return this;
}

Fixed version (ground truth):
public Item cook(Seed seed){
  Class<? extends Item> plant=seed.alchemyClass;
  try {
    potionAttrib=(Potion)plant.newInstance();
    potionAttrib.ownedByFruit=true;
  }
 catch (  Exception e) {
    return null;
  }
  potionAttrib.image=ItemSpriteSheet.BLANDFRUIT;
  if (potionAttrib instanceof PotionOfHealing) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0x2EE62E);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfStrength) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xCC0022);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfParalyticGas) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0x67583D);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfInvisibility) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xE5D273);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfLiquidFlame) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xFF7F00);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfFrost) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0x66B3FF);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfMindVision) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xB8E6CF);
    info="String_Node_Str" + "String_Node_Str";
  }
 else   if (potionAttrib instanceof PotionOfToxicGas) {
    name="String_Node_Str";
    potionGlow=new ItemSprite.Glowing(0xA15CE5);
    info="String_Node_Str" + "String_Node_Str";
  }
  return this;
}