Program: 166142
Project: 166142
Buggy source:
private void handleLowPower(Integer id,int power){
  if (power <= 0) {
    WorldServer world=DimensionManager.getWorld(id);
    if (world != null) {
      for (      EntityPlayer player : (List<EntityPlayer>)world.playerEntities) {
        player.attackEntityFrom(DamageSource.generic,1000.0f);
      }
    }
  }
 else   if (power < (DimletConfiguration.MAX_DIMENSION_POWER / 30)) {
    WorldServer world=DimensionManager.getWorld(id);
    if (world != null) {
      for (      EntityPlayer player : (List<EntityPlayer>)world.playerEntities) {
        player.attackEntityFrom(DamageSource.generic,0.1f);
        player.addPotionEffect(new PotionEffect(Potion.confusion.getId(),20));
        player.addPotionEffect(new PotionEffect(Potion.harm.getId(),20));
        player.addPotionEffect(new PotionEffect(Potion.wither.getId(),20));
      }
    }
  }
 else   if (power < (DimletConfiguration.MAX_DIMENSION_POWER / 20)) {
    WorldServer world=DimensionManager.getWorld(id);
    if (world != null) {
      for (      EntityPlayer player : (List<EntityPlayer>)world.playerEntities) {
        player.addPotionEffect(new PotionEffect(Potion.confusion.getId(),20));
        player.addPotionEffect(new PotionEffect(Potion.harm.getId(),20));
      }
    }
  }
 else   if (power < (DimletConfiguration.MAX_DIMENSION_POWER / 10)) {
    WorldServer world=DimensionManager.getWorld(id);
    if (world != null) {
      for (      EntityPlayer player : (List<EntityPlayer>)world.playerEntities) {
        player.addPotionEffect(new PotionEffect(Potion.confusion.getId(),20));
      }
    }
  }
}

Fixed version (ground truth):
private void handleLowPower(Integer id,int power){
  if (power <= 0) {
    WorldServer world=DimensionManager.getWorld(id);
    if (world != null) {
      for (      EntityPlayer player : (List<EntityPlayer>)world.playerEntities) {
        player.attackEntityFrom(DamageSource.generic,1000.0f);
      }
    }
  }
 else   if (power < (DimletConfiguration.MAX_DIMENSION_POWER / 30)) {
    WorldServer world=DimensionManager.getWorld(id);
    if (world != null) {
      for (      EntityPlayer player : (List<EntityPlayer>)world.playerEntities) {
        player.attackEntityFrom(DamageSource.generic,0.1f);
        player.addPotionEffect(new PotionEffect(Potion.confusion.getId(),20));
        player.addPotionEffect(new PotionEffect(Potion.harm.getId(),20));
        player.addPotionEffect(new PotionEffect(Potion.poison.getId(),20));
      }
    }
  }
 else   if (power < (DimletConfiguration.MAX_DIMENSION_POWER / 20)) {
    WorldServer world=DimensionManager.getWorld(id);
    if (world != null) {
      for (      EntityPlayer player : (List<EntityPlayer>)world.playerEntities) {
        player.addPotionEffect(new PotionEffect(Potion.confusion.getId(),20));
        player.addPotionEffect(new PotionEffect(Potion.harm.getId(),20));
      }
    }
  }
 else   if (power < (DimletConfiguration.MAX_DIMENSION_POWER / 10)) {
    WorldServer world=DimensionManager.getWorld(id);
    if (world != null) {
      for (      EntityPlayer player : (List<EntityPlayer>)world.playerEntities) {
        player.addPotionEffect(new PotionEffect(Potion.confusion.getId(),20));
      }
    }
  }
}