Program: 177394
Project: 177394
Buggy source:
@Override public void finalizeRun(){
  Transform t=transformLive.getAndSet(null);
  if (t != null) {
    transform.set(t);
  }
  if (entityManager != null) {
    if (entityManager != entityManagerLive.get()) {
      if (entityManager.getRegion() != null) {
        entityManager.getRegion().removeEntity(this);
      }
 else {
        entityManager.deallocate(this);
      }
    }
  }
  if (entityManagerLive.get() != null) {
    if (entityManager != entityManagerLive.get()) {
      entityManagerLive.get().allocate(this);
    }
  }
  if (controller != controllerLive.get()) {
    if (controller != null && controllerLive.get() == null) {
      if (!isDead())       throw new IllegalStateException("String_Node_Str");
      controller.onDeath();
      if (controller instanceof PlayerController) {
        Player p=((PlayerController)controller).getParent();
        if (p != null && p.isOnline()) {
          p.getNetworkSynchronizer().onDeath();
        }
      }
    }
 else     if (controller != null && controllerLive.get() != null) {
      controller.onDeath();
      if (controller instanceof PlayerController) {
        Player p=((PlayerController)controller).getParent();
        if (p != null && p.isOnline()) {
          p.getNetworkSynchronizer().onDeath();
        }
      }
      if (entityManagerLive.get() != null) {
        entityManagerLive.get().allocate(this);
      }
    }
 else     if (controller == null && controllerLive.get() != null) {
      if (!this.justSpawned())       throw new IllegalStateException("String_Node_Str");
    }
  }
  if (chunkLive.get() != chunk) {
    if (observer) {
      if (!isDead()) {
        updateObserver();
      }
 else {
        removeObserver();
      }
    }
    if (chunkLive.get() != null) {
      ((SpoutChunk)chunkLive.get()).addEntity(this);
    }
    if (chunk != null && chunk.isLoaded()) {
      ((SpoutChunk)chunk).removeEntity(this);
    }
    if (chunkLive.get() == null) {
      if (chunk != null && chunk.isLoaded()) {
        ((SpoutChunk)chunk).removeEntity(this);
      }
      if (entityManagerLive.get() != null) {
        entityManagerLive.get().deallocate(this);
      }
    }
  }
  if (observerLive.get() != observer) {
    observer=!observer;
    if (observer) {
      updateObserver();
    }
 else {
      removeObserver();
    }
  }
}

Fixed version (ground truth):
@Override public void finalizeRun(){
  Transform t=transformLive.getAndSet(null);
  if (t != null) {
    transform.set(t);
  }
  if (entityManager != null) {
    if (entityManager != entityManagerLive.get()) {
      if (entityManager.getRegion() != null) {
        entityManager.getRegion().removeEntity(this);
      }
 else {
        entityManager.deallocate(this);
      }
    }
  }
  if (entityManagerLive.get() != null) {
    if (entityManager != entityManagerLive.get()) {
      entityManagerLive.get().allocate(this);
    }
  }
  if (controller != controllerLive.get()) {
    if (controller != null && controllerLive.get() == null) {
      if (!isDead())       throw new IllegalStateException("String_Node_Str");
      controller.onDeath();
    }
 else     if (controller != null && controllerLive.get() != null) {
      controller.onDeath();
      if (entityManagerLive.get() != null) {
        entityManagerLive.get().allocate(this);
      }
    }
 else     if (controller == null && controllerLive.get() != null) {
      if (!this.justSpawned())       throw new IllegalStateException("String_Node_Str");
    }
  }
  if (chunkLive.get() != chunk) {
    if (observer) {
      if (!isDead()) {
        updateObserver();
      }
 else {
        removeObserver();
      }
    }
    if (chunkLive.get() != null) {
      ((SpoutChunk)chunkLive.get()).addEntity(this);
    }
    if (chunk != null && chunk.isLoaded()) {
      ((SpoutChunk)chunk).removeEntity(this);
    }
    if (chunkLive.get() == null) {
      if (chunk != null && chunk.isLoaded()) {
        ((SpoutChunk)chunk).removeEntity(this);
      }
      if (entityManagerLive.get() != null) {
        entityManagerLive.get().deallocate(this);
      }
    }
  }
  if (observerLive.get() != observer) {
    observer=!observer;
    if (observer) {
      updateObserver();
    }
 else {
      removeObserver();
    }
  }
}