Program: 134206
Project: 134206
Buggy source:
private void progress(){
  PotionEffect effect=new PotionEffect(PotionEffectType.SLOW,60,1);
  if (!player.isSneaking()) {
    remove(player);
    return;
  }
  if (!canBeUsedOnUndead) {
    for (    Entity entity : targetentities.keySet()) {
      if (isUndead(entity)) {
        targetentities.remove(entity);
      }
    }
  }
  if (onlyUsableAtNight && !Methods.isNight(player.getWorld())) {
    remove(player);
    return;
  }
  if (!Methods.canBend(player.getName(),"String_Node_Str")) {
    remove(player);
    return;
  }
  if (Methods.getBoundAbility(player) == null) {
    remove(player);
    return;
  }
  if (!Methods.getBoundAbility(player).equalsIgnoreCase("String_Node_Str")) {
    remove(player);
    return;
  }
  if (AvatarState.isAvatarState(player)) {
    ArrayList<Entity> entities=new ArrayList<Entity>();
    for (    Entity entity : Methods.getEntitiesAroundPoint(player.getLocation(),range)) {
      if (Methods.isRegionProtectedFromBuild(player,"String_Node_Str",entity.getLocation()))       continue;
      if (entity instanceof Player) {
        if (!Methods.canBeBloodbent((Player)entity))         continue;
      }
      entities.add(entity);
      if (!targetentities.containsKey(entity) && entity instanceof LivingEntity) {
        Methods.damageEntity(player,entity,0);
        targetentities.put(entity,entity.getLocation().clone());
      }
      if (entity instanceof LivingEntity) {
        Location newlocation=entity.getLocation().clone();
        Location location=targetentities.get(entity);
        double distance=location.distance(newlocation);
        double dx, dy, dz;
        dx=location.getX() - newlocation.getX();
        dy=location.getY() - newlocation.getY();
        dz=location.getZ() - newlocation.getZ();
        Vector vector=new Vector(dx,dy,dz);
        if (distance > .5) {
          entity.setVelocity(vector.normalize().multiply(.5));
        }
 else {
          entity.setVelocity(new Vector(0,0,0));
        }
        new TempPotionEffect((LivingEntity)entity,effect);
        entity.setFallDistance(0);
        if (entity instanceof Creature) {
          ((Creature)entity).setTarget(null);
        }
        Methods.breakBreathbendingHold(entity);
      }
    }
    for (    Entity entity : targetentities.keySet()) {
      if (!entities.contains(entity))       targetentities.remove(entity);
    }
  }
 else {
    for (    Entity entity : targetentities.keySet()) {
      if (entity instanceof Player) {
        if (!Methods.canBeBloodbent((Player)entity)) {
          targetentities.remove(entity);
          continue;
        }
      }
      Location newlocation=entity.getLocation();
      Location location=Methods.getTargetedLocation(player,(int)targetentities.get(entity).distance(player.getLocation()));
      double distance=location.distance(newlocation);
      double dx, dy, dz;
      dx=location.getX() - newlocation.getX();
      dy=location.getY() - newlocation.getY();
      dz=location.getZ() - newlocation.getZ();
      Vector vector=new Vector(dx,dy,dz);
      if (distance > .5) {
        entity.setVelocity(vector.normalize().multiply(.5));
      }
 else {
        entity.setVelocity(new Vector(0,0,0));
      }
      new TempPotionEffect((LivingEntity)entity,effect);
      entity.setFallDistance(0);
      if (entity instanceof Creature) {
        ((Creature)entity).setTarget(null);
      }
      Methods.breakBreathbendingHold(entity);
    }
  }
}

Fixed version (ground truth):
private void progress(){
  PotionEffect effect=new PotionEffect(PotionEffectType.SLOW,60,1);
  if (!player.isSneaking()) {
    remove(player);
    return;
  }
  if (!canBeUsedOnUndead) {
    for (    Entity entity : targetentities.keySet()) {
      if (isUndead(entity)) {
        targetentities.remove(entity);
      }
    }
  }
  if (onlyUsableAtNight && !Methods.isNight(player.getWorld())) {
    remove(player);
    return;
  }
  if (!Methods.canBend(player.getName(),"String_Node_Str")) {
    remove(player);
    return;
  }
  if (Methods.getBoundAbility(player) == null) {
    remove(player);
    return;
  }
  if (!Methods.getBoundAbility(player).equalsIgnoreCase("String_Node_Str")) {
    remove(player);
    return;
  }
  if (AvatarState.isAvatarState(player)) {
    ArrayList<Entity> entities=new ArrayList<Entity>();
    for (    Entity entity : Methods.getEntitiesAroundPoint(player.getLocation(),range)) {
      if (Methods.isRegionProtectedFromBuild(player,"String_Node_Str",entity.getLocation()))       continue;
      if (entity instanceof Player) {
        if (!Methods.canBeBloodbent((Player)entity))         continue;
      }
      entities.add(entity);
      if (!targetentities.containsKey(entity) && entity instanceof LivingEntity) {
        Methods.damageEntity(player,entity,0);
        targetentities.put(entity,entity.getLocation().clone());
      }
      if (entity instanceof LivingEntity) {
        Location newlocation=entity.getLocation().clone();
        Location location=targetentities.get(entity);
        double distance=location.distance(newlocation);
        double dx, dy, dz;
        dx=location.getX() - newlocation.getX();
        dy=location.getY() - newlocation.getY();
        dz=location.getZ() - newlocation.getZ();
        Vector vector=new Vector(dx,dy,dz);
        if (distance > .5) {
          entity.setVelocity(vector.normalize().multiply(.5));
        }
 else {
          entity.setVelocity(new Vector(0,0,0));
        }
        new TempPotionEffect((LivingEntity)entity,effect);
        entity.setFallDistance(0);
        if (entity instanceof Creature) {
          ((Creature)entity).setTarget(null);
        }
        Methods.breakBreathbendingHold(entity);
      }
    }
    for (    Entity entity : targetentities.keySet()) {
      if (!entities.contains(entity))       targetentities.remove(entity);
    }
  }
 else {
    for (    Entity entity : targetentities.keySet()) {
      if (entity instanceof Player) {
        if (!Methods.canBeBloodbent((Player)entity)) {
          targetentities.remove(entity);
          continue;
        }
      }
      Location newlocation=entity.getLocation();
      if (player.getWorld() != newlocation.getWorld()) {
        targetentities.remove(entity);
        continue;
      }
      Location location=Methods.getTargetedLocation(player,(int)targetentities.get(entity).distance(player.getLocation()));
      double distance=location.distance(newlocation);
      double dx, dy, dz;
      dx=location.getX() - newlocation.getX();
      dy=location.getY() - newlocation.getY();
      dz=location.getZ() - newlocation.getZ();
      Vector vector=new Vector(dx,dy,dz);
      if (distance > .5) {
        entity.setVelocity(vector.normalize().multiply(.5));
      }
 else {
        entity.setVelocity(new Vector(0,0,0));
      }
      new TempPotionEffect((LivingEntity)entity,effect);
      entity.setFallDistance(0);
      if (entity instanceof Creature) {
        ((Creature)entity).setTarget(null);
      }
      Methods.breakBreathbendingHold(entity);
    }
  }
}