Program: 22822
Project: 22822
Buggy source:
public void Finalize() throws CarriageMotionException {
  updateHardModeData();
  for (  BlockRecord PotentialObstruction : PotentialObstructions) {
    AssertNotObstruction(PotentialObstruction);
  }
  long WorldTime=World.getWorldInfo().getWorldTotalTime();
  try {
    TreeSet<NextTickListEntry> ticks=(TreeSet<NextTickListEntry>)Reflection.get(WorldServer.class,World,"String_Node_Str");
    Set ticksHash=(Set)Reflection.get(WorldServer.class,World,"String_Node_Str");
    java.util.Iterator PendingBlockUpdateSetIterator=ticks.iterator();
    while (PendingBlockUpdateSetIterator.hasNext()) {
      NextTickListEntry PendingBlockUpdate=(NextTickListEntry)PendingBlockUpdateSetIterator.next();
      if (Body.contains(new BlockRecord(PendingBlockUpdate.xCoord,PendingBlockUpdate.yCoord,PendingBlockUpdate.zCoord))) {
        PendingBlockUpdateSetIterator.remove();
        ticks.remove(PendingBlockUpdate);
        ticksHash.remove(PendingBlockUpdate);
        StorePendingBlockUpdateRecord(PendingBlockUpdate,WorldTime);
      }
    }
  }
 catch (  Throwable VanillaThrowable) {
    if (VanillaThrowable instanceof ThreadDeath) {
      throw ((ThreadDeath)VanillaThrowable);
    }
    try {
      java.util.Set PendingBlockUpdateSet=(java.util.Set)ModInteraction.PendingBlockUpdateSetField.get(World);
      while (true) {
        NextTickListEntry PendingBlockUpdate=null;
        for (        Object Target : PendingBlockUpdateSet) {
          NextTickListEntry TargetPendingBlockUpdate=(NextTickListEntry)Target;
          if (Body.contains(new BlockRecord(TargetPendingBlockUpdate.xCoord,TargetPendingBlockUpdate.yCoord,TargetPendingBlockUpdate.zCoord))) {
            PendingBlockUpdate=TargetPendingBlockUpdate;
            break;
          }
        }
        if (PendingBlockUpdate == null) {
          break;
        }
        StorePendingBlockUpdateRecord(PendingBlockUpdate,WorldTime);
        ModInteraction.RemovePendingBlockUpdate.invoke(World,PendingBlockUpdate);
      }
    }
 catch (    Throwable McpcThrowable) {
      McpcThrowable.printStackTrace();
      VanillaThrowable.printStackTrace();
    }
  }
  PotentialObstructions=null;
  Carriages=null;
  Cargo=null;
  CargoBurdenFactors=null;
}

Fixed version (ground truth):
public void Finalize() throws CarriageMotionException {
  updateHardModeData();
  for (  BlockRecord PotentialObstruction : PotentialObstructions) {
    AssertNotObstruction(PotentialObstruction);
  }
  long WorldTime=World.getWorldInfo().getWorldTotalTime();
  try {
    TreeSet<NextTickListEntry> ticks=(TreeSet<NextTickListEntry>)Reflection.get(WorldServer.class,World,"String_Node_Str");
    Set ticksHash=(Set)Reflection.get(WorldServer.class,World,"String_Node_Str");
    Iterator<NextTickListEntry> PendingBlockUpdateSetIterator=ticks.iterator();
    while (PendingBlockUpdateSetIterator.hasNext()) {
      NextTickListEntry PendingBlockUpdate=(NextTickListEntry)PendingBlockUpdateSetIterator.next();
      if (Body.contains(new BlockRecord(PendingBlockUpdate.xCoord,PendingBlockUpdate.yCoord,PendingBlockUpdate.zCoord))) {
        PendingBlockUpdateSetIterator.remove();
        ticks.remove(PendingBlockUpdate);
        ticksHash.remove(PendingBlockUpdate);
        StorePendingBlockUpdateRecord(PendingBlockUpdate,WorldTime);
      }
    }
  }
 catch (  Throwable VanillaThrowable) {
    if (VanillaThrowable instanceof ThreadDeath) {
      throw ((ThreadDeath)VanillaThrowable);
    }
    try {
      java.util.Set PendingBlockUpdateSet=(java.util.Set)ModInteraction.PendingBlockUpdateSetField.get(World);
      while (true) {
        NextTickListEntry PendingBlockUpdate=null;
        for (        Object Target : PendingBlockUpdateSet) {
          NextTickListEntry TargetPendingBlockUpdate=(NextTickListEntry)Target;
          if (Body.contains(new BlockRecord(TargetPendingBlockUpdate.xCoord,TargetPendingBlockUpdate.yCoord,TargetPendingBlockUpdate.zCoord))) {
            PendingBlockUpdate=TargetPendingBlockUpdate;
            break;
          }
        }
        if (PendingBlockUpdate == null) {
          break;
        }
        StorePendingBlockUpdateRecord(PendingBlockUpdate,WorldTime);
        ModInteraction.RemovePendingBlockUpdate.invoke(World,PendingBlockUpdate);
      }
    }
 catch (    Throwable McpcThrowable) {
      McpcThrowable.printStackTrace();
      VanillaThrowable.printStackTrace();
    }
  }
  PotentialObstructions=null;
  Carriages=null;
  Cargo=null;
  CargoBurdenFactors=null;
}