Program: 10368
Project: 10368
Buggy source:
@Override public String getAttribute(Attribute attribute){
  if (attribute == null)   return null;
  if (entity == null) {
    dB.echoDebug("String_Node_Str");
    return "String_Node_Str";
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (getBukkitEntity().isInsideVehicle())     return new dEntity(getBukkitEntity().getVehicle()).getAttribute(attribute.fulfill(1));
 else     return "String_Node_Str";
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (getLivingEntity().getCustomName() == null)     return "String_Node_Str";
    return new Element(getLivingEntity().getCustomName()).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (isNPC())     return new Element(getNPC().getName()).getAttribute(attribute.fulfill(1));
    if (entity instanceof Player)     return new Element(((Player)entity).getName()).getAttribute(attribute.fulfill(1));
    return new Element(entity.getType().getName()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(entity_type.toString()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (CustomNBT.hasCustomNBT(getLivingEntity(),"String_Node_Str"))     return new dScript(CustomNBT.getCustomNBT(getLivingEntity(),"String_Node_Str")).getAttribute(attribute.fulfill(1));
 else     return new Element(getBukkitEntity().getType().name()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    int range=attribute.getIntContext(2);
    if (range < 1)     range=50;
    return new dLocation(getLivingEntity().getTargetBlock(null,range).getLocation()).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str"))   return new dLocation(entity.getLocation().add(0,-1,0)).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new dLocation(getEyeLocation()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    if (entity instanceof Player) {
      dLocation location=new dLocation(entity.getLocation());
      location.setYaw(location.getYaw() - 90);
      return location.getAttribute(attribute.fulfill(1));
    }
 else {
      return new dLocation(entity.getLocation()).getAttribute(attribute.fulfill(1));
    }
  }
  if (attribute.startsWith("String_Node_Str")) {
    double maxHealth=getLivingEntity().getMaxHealth();
    if (attribute.hasContext(2))     maxHealth=attribute.getIntContext(2);
    if ((float)getLivingEntity().getHealth() / maxHealth < .10)     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
 else     if ((float)getLivingEntity().getHealth() / maxHealth < .40)     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
 else     if ((float)getLivingEntity().getHealth() / maxHealth < .75)     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
 else     if ((float)getLivingEntity().getHealth() / maxHealth < 1)     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
 else     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str")) {
    double maxHealth=getLivingEntity().getMaxHealth();
    if (attribute.hasContext(2))     maxHealth=attribute.getIntContext(2);
    return new Element((getLivingEntity().getHealth() / maxHealth) * 100).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str"))   return new Element(getLivingEntity().getMaxHealth()).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new Element(getLivingEntity().getHealth()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity instanceof Tameable).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    if (entity instanceof Tameable)     return new Element(((Tameable)entity).isTamed()).getAttribute(attribute.fulfill(1));
 else     return Element.FALSE.getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (entity instanceof Tameable && ((Tameable)entity).isTamed())     return new dPlayer((Player)((Tameable)entity).getOwner()).getAttribute(attribute.fulfill(1));
 else     return new Element("String_Node_Str").getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.isInsideVehicle()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new dPlayer(getLivingEntity().getKiller()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.getLastDamageCause().getCause().name()).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new Element(getLivingEntity().getLastDamage()).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new Duration((long)getLivingEntity().getNoDamageTicks()).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new Duration(entity.getTicksLived() / 20).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    if (attribute.hasContext(1) && dEntity.matches(attribute.getContext(1))) {
      dEntity toEntity=dEntity.valueOf(attribute.getContext(1));
      return new Element(getLivingEntity().hasLineOfSight(toEntity.getBukkitEntity())).getAttribute(attribute.fulfill(1));
    }
  }
  if (attribute.startsWith("String_Node_Str"))   return new Element(getLivingEntity().getCanPickupItems()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.getEntityId()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.getFallDistance()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.getUniqueId().toString()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    Boolean returnElement=false;
    if (attribute.hasContext(1))     for (    org.bukkit.potion.PotionEffect effect : getLivingEntity().getActivePotionEffects())     if (effect.getType().equals(org.bukkit.potion.PotionType.valueOf(attribute.getContext(1))))     returnElement=true;
 else     if (!getLivingEntity().getActivePotionEffects().isEmpty())     returnElement=true;
    return new Element(returnElement).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new dInventory(getLivingEntity()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new dWorld(entity.getWorld()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(CitizensAPI.getNPCRegistry().isNPC(getBukkitEntity())).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (!(getBukkitEntity() instanceof Player) && !CitizensAPI.getNPCRegistry().isNPC(getBukkitEntity()))     return Element.TRUE.getAttribute(attribute.fulfill(1));
 else     return Element.FALSE.getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str"))   return new Element(prefix).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    dB.log(debug());
    return new Element(Boolean.TRUE.toString()).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(ChatColor.stripColor(debug())).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(debug()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(getObjectType()).getAttribute(attribute.fulfill(1));
  }
  return new Element(identify()).getAttribute(attribute.fulfill(0));
}

Fixed version (ground truth):
@Override public String getAttribute(Attribute attribute){
  if (attribute == null)   return null;
  if (entity == null) {
    dB.echoDebug("String_Node_Str");
    return "String_Node_Str";
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (getBukkitEntity().isInsideVehicle())     return new dEntity(getBukkitEntity().getVehicle()).getAttribute(attribute.fulfill(1));
 else     return "String_Node_Str";
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (getLivingEntity().getCustomName() == null)     return "String_Node_Str";
    return new Element(getLivingEntity().getCustomName()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (isNPC())     return new Element(getNPC().getName()).getAttribute(attribute.fulfill(1));
    if (entity instanceof Player)     return new Element(((Player)entity).getName()).getAttribute(attribute.fulfill(1));
    return new Element(entity.getType().getName()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(entity_type.toString()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (CustomNBT.hasCustomNBT(getLivingEntity(),"String_Node_Str"))     return new dScript(CustomNBT.getCustomNBT(getLivingEntity(),"String_Node_Str")).getAttribute(attribute.fulfill(1));
 else     return new Element(getBukkitEntity().getType().name()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    int range=attribute.getIntContext(2);
    if (range < 1)     range=50;
    return new dLocation(getLivingEntity().getTargetBlock(null,range).getLocation()).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str"))   return new dLocation(entity.getLocation().add(0,-1,0)).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new dLocation(getEyeLocation()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    if (entity instanceof Player) {
      dLocation location=new dLocation(entity.getLocation());
      location.setYaw(location.getYaw() - 90);
      return location.getAttribute(attribute.fulfill(1));
    }
 else {
      return new dLocation(entity.getLocation()).getAttribute(attribute.fulfill(1));
    }
  }
  if (attribute.startsWith("String_Node_Str")) {
    double maxHealth=getLivingEntity().getMaxHealth();
    if (attribute.hasContext(2))     maxHealth=attribute.getIntContext(2);
    if ((float)getLivingEntity().getHealth() / maxHealth < .10)     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
 else     if ((float)getLivingEntity().getHealth() / maxHealth < .40)     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
 else     if ((float)getLivingEntity().getHealth() / maxHealth < .75)     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
 else     if ((float)getLivingEntity().getHealth() / maxHealth < 1)     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
 else     return new Element("String_Node_Str").getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str")) {
    double maxHealth=getLivingEntity().getMaxHealth();
    if (attribute.hasContext(2))     maxHealth=attribute.getIntContext(2);
    return new Element((getLivingEntity().getHealth() / maxHealth) * 100).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str"))   return new Element(getLivingEntity().getMaxHealth()).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new Element(getLivingEntity().getHealth()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity instanceof Tameable).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    if (entity instanceof Tameable)     return new Element(((Tameable)entity).isTamed()).getAttribute(attribute.fulfill(1));
 else     return Element.FALSE.getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (entity instanceof Tameable && ((Tameable)entity).isTamed())     return new dPlayer((Player)((Tameable)entity).getOwner()).getAttribute(attribute.fulfill(1));
 else     return new Element("String_Node_Str").getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.isInsideVehicle()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new dPlayer(getLivingEntity().getKiller()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.getLastDamageCause().getCause().name()).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new Element(getLivingEntity().getLastDamage()).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new Duration((long)getLivingEntity().getNoDamageTicks()).getAttribute(attribute.fulfill(2));
  if (attribute.startsWith("String_Node_Str"))   return new Duration(entity.getTicksLived() / 20).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    if (attribute.hasContext(1) && dEntity.matches(attribute.getContext(1))) {
      dEntity toEntity=dEntity.valueOf(attribute.getContext(1));
      return new Element(getLivingEntity().hasLineOfSight(toEntity.getBukkitEntity())).getAttribute(attribute.fulfill(1));
    }
  }
  if (attribute.startsWith("String_Node_Str"))   return new Element(getLivingEntity().getCanPickupItems()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.getEntityId()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.getFallDistance()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str"))   return new Element(entity.getUniqueId().toString()).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    Boolean returnElement=false;
    if (attribute.hasContext(1))     for (    org.bukkit.potion.PotionEffect effect : getLivingEntity().getActivePotionEffects())     if (effect.getType().equals(org.bukkit.potion.PotionType.valueOf(attribute.getContext(1))))     returnElement=true;
 else     if (!getLivingEntity().getActivePotionEffects().isEmpty())     returnElement=true;
    return new Element(returnElement).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new dInventory(getLivingEntity()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new dWorld(entity.getWorld()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(CitizensAPI.getNPCRegistry().isNPC(getBukkitEntity())).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    if (!(getBukkitEntity() instanceof Player) && !CitizensAPI.getNPCRegistry().isNPC(getBukkitEntity()))     return Element.TRUE.getAttribute(attribute.fulfill(1));
 else     return Element.FALSE.getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str"))   return new Element(prefix).getAttribute(attribute.fulfill(1));
  if (attribute.startsWith("String_Node_Str")) {
    dB.log(debug());
    return new Element(Boolean.TRUE.toString()).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(ChatColor.stripColor(debug())).getAttribute(attribute.fulfill(2));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(debug()).getAttribute(attribute.fulfill(1));
  }
  if (attribute.startsWith("String_Node_Str")) {
    return new Element(getObjectType()).getAttribute(attribute.fulfill(1));
  }
  return new Element(identify()).getAttribute(attribute.fulfill(0));
}