Program: 141609
Project: 141609
Buggy source:
@Override public void run(final CommandSender cs,String label,String[] args){
  if (!r.perm(cs,"String_Node_Str",false,true)) {
    return;
  }
  if (!r.checkArgs(args,0)) {
    if (!r.isPlayer(cs)) {
      return;
    }
    Player p=(Player)cs;
    if (r.getOnlinePlayers().length > 64) {
      r.sendMes(cs,"String_Node_Str");
      return;
    }
    Integer size=9;
    while (r.getOnlinePlayers().length > size) {
      size=size + 9;
    }
    Inventory inv=Bukkit.createInventory(null,size,r.mes("String_Node_Str"));
    for (    Player pl : r.getOnlinePlayers()) {
      if (!(pl == p)) {
        ItemStack item=new ItemStack(Material.SKULL_ITEM);
        item.setDurability(Short.parseShort("String_Node_Str"));
        SkullMeta meta=(SkullMeta)item.getItemMeta();
        meta.setDisplayName(r.neutral + pl.getName());
        meta.setOwner(pl.getName());
        item.setItemMeta(meta);
        inv.addItem(item);
      }
    }
    UC.getPlayer(p).setInTeleportMenu(true);
    if (inv.getItem(0) == null) {
      Inventory inv2=Bukkit.createInventory(null,9,r.mes("String_Node_Str"));
      p.openInventory(inv2);
      return;
    }
    p.openInventory(inv);
    return;
  }
 else   if (r.isDouble(args[0].replace("String_Node_Str","String_Node_Str"))) {
    if (!r.isPlayer(cs)) {
      return;
    }
    Player p=(Player)cs;
    if (!r.perm(cs,"String_Node_Str",false,true)) {
      return;
    }
    World w=p.getWorld();
    Double x=LocationUtil.getCoordinate(args[0],p.getLocation().getX());
    Double y;
    Double z;
    if (r.checkArgs(args,2) == false) {
      z=LocationUtil.getCoordinate(args[1],p.getLocation().getZ());
      y=(double)w.getHighestBlockYAt(x.intValue(),z.intValue());
    }
 else {
      y=LocationUtil.getCoordinate(args[1],p.getLocation().getY());
      z=LocationUtil.getCoordinate(args[2],p.getLocation().getZ());
    }
    LocationUtil.teleport(p,new Location(w,x,y,z),PlayerTeleportEvent.TeleportCause.COMMAND,true);
    r.sendMes(cs,"String_Node_Str","String_Node_Str",x,"String_Node_Str",y,"String_Node_Str",z);
    return;
  }
 else   if (r.checkArgs(args,1) == true && r.isDouble(args[1].replace("String_Node_Str","String_Node_Str")) && !(r.isDouble(args[0].replace("String_Node_Str","String_Node_Str")))) {
    if (!r.isPlayer(cs)) {
      return;
    }
    Player p=(Player)cs;
    if (!r.perm(cs,"String_Node_Str",false,true)) {
      return;
    }
    Player t=r.searchPlayer(args[0]);
    if (t == null) {
      r.sendMes(cs,"String_Node_Str","String_Node_Str",args[0]);
      return;
    }
    World w=p.getWorld();
    Double x=LocationUtil.getCoordinate(args[1],t.getLocation().getX());
    Double y;
    Double z;
    if (r.checkArgs(args,3) == false) {
      z=LocationUtil.getCoordinate(args[2],p.getLocation().getZ());
      y=(double)w.getHighestBlockYAt(x.intValue(),z.intValue());
    }
 else {
      y=LocationUtil.getCoordinate(args[2],p.getLocation().getY());
      z=LocationUtil.getCoordinate(args[3],p.getLocation().getZ());
    }
    LocationUtil.teleport(p,new Location(w,x,y,z),PlayerTeleportEvent.TeleportCause.COMMAND,false);
    LocationUtil.playEffect(p,new Location(w,x,y,z));
    r.sendMes(cs,"String_Node_Str","String_Node_Str",t.getName(),"String_Node_Str",x,"String_Node_Str",y,"String_Node_Str",z);
    return;
  }
 else {
    Player tg=r.searchPlayer(args[0]);
    if (tg == null) {
      r.sendMes(cs,"String_Node_Str","String_Node_Str",args[0]);
      return;
    }
 else {
      if (r.checkArgs(args,1) == false) {
        if (!r.isPlayer(cs)) {
          return;
        }
        Player p=(Player)cs;
        if (!UC.getPlayer(tg).hasTeleportEnabled() && !r.perm(cs,"String_Node_Str",false,false)) {
          r.sendMes(cs,"String_Node_Str","String_Node_Str",tg.getName());
          return;
        }
        LocationUtil.teleport(p,tg,PlayerTeleportEvent.TeleportCause.COMMAND,true);
        r.sendMes(cs,"String_Node_Str","String_Node_Str",tg.getName());
      }
 else {
        if (!r.perm(cs,"String_Node_Str",false,true)) {
          return;
        }
        Player tg2=r.searchPlayer(args[1]);
        if (tg2 == null) {
          r.sendMes(cs,"String_Node_Str","String_Node_Str",args[1]);
        }
 else {
          if (UC.getPlayer(tg).hasTeleportEnabled() == false && !r.perm(cs,"String_Node_Str",false,false)) {
            r.sendMes(cs,"String_Node_Str","String_Node_Str",tg.getName());
            return;
          }
          if (UC.getPlayer(tg2).hasTeleportEnabled() == false && !r.perm(cs,"String_Node_Str",false,false)) {
            r.sendMes(cs,"String_Node_Str","String_Node_Str",tg2.getName());
            return;
          }
          LocationUtil.teleport(tg,tg2,PlayerTeleportEvent.TeleportCause.COMMAND,false);
          LocationUtil.playEffect(tg,tg2.getLocation());
          r.sendMes(cs,"String_Node_Str","String_Node_Str",tg.getName(),"String_Node_Str",tg2.getName());
        }
      }
    }
  }
}

Fixed version (ground truth):
@Override public void run(final CommandSender cs,String label,String[] args){
  if (!r.perm(cs,"String_Node_Str",false,true)) {
    return;
  }
  if (!r.checkArgs(args,0)) {
    if (!r.isPlayer(cs)) {
      return;
    }
    Player p=(Player)cs;
    if (r.getOnlinePlayers().length > 64) {
      r.sendMes(cs,"String_Node_Str");
      return;
    }
    Integer size=9;
    while (r.getOnlinePlayers().length > size) {
      size=size + 9;
    }
    Inventory inv=Bukkit.createInventory(null,size,r.mes("String_Node_Str"));
    for (    Player pl : r.getOnlinePlayers()) {
      if (!(pl == p)) {
        ItemStack item=new ItemStack(Material.SKULL_ITEM);
        item.setDurability(Short.parseShort("String_Node_Str"));
        SkullMeta meta=(SkullMeta)item.getItemMeta();
        meta.setDisplayName(r.neutral + pl.getName());
        meta.setOwner(pl.getName());
        item.setItemMeta(meta);
        inv.addItem(item);
      }
    }
    UC.getPlayer(p).setInTeleportMenu(true);
    if (inv.getItem(0) == null) {
      Inventory inv2=Bukkit.createInventory(null,9,r.mes("String_Node_Str"));
      p.openInventory(inv2);
      return;
    }
    p.openInventory(inv);
    return;
  }
 else   if (r.isDouble(args[0].replace("String_Node_Str","String_Node_Str"))) {
    if (!r.isPlayer(cs)) {
      return;
    }
    Player p=(Player)cs;
    if (!r.perm(cs,"String_Node_Str",false,true)) {
      return;
    }
    World w=p.getWorld();
    Double x=LocationUtil.getCoordinate(args[0],p.getLocation().getX());
    Double y;
    Double z;
    if (r.checkArgs(args,2) == false) {
      z=LocationUtil.getCoordinate(args[1],p.getLocation().getZ());
      y=(double)w.getHighestBlockYAt(x.intValue(),z.intValue());
    }
 else {
      y=LocationUtil.getCoordinate(args[1],p.getLocation().getY());
      z=LocationUtil.getCoordinate(args[2],p.getLocation().getZ());
    }
    LocationUtil.teleport(p,new Location(w,x,y,z),PlayerTeleportEvent.TeleportCause.COMMAND,true);
    r.sendMes(cs,"String_Node_Str","String_Node_Str",x,"String_Node_Str",y,"String_Node_Str",z);
    return;
  }
 else   if (r.checkArgs(args,1) == true && r.isDouble(args[1].replace("String_Node_Str","String_Node_Str")) && !(r.isDouble(args[0].replace("String_Node_Str","String_Node_Str")))) {
    if (!r.perm(cs,"String_Node_Str",false,true)) {
      return;
    }
    Player t=r.searchPlayer(args[0]);
    if (t == null) {
      r.sendMes(cs,"String_Node_Str","String_Node_Str",args[0]);
      return;
    }
    World w=t.getWorld();
    Double x=LocationUtil.getCoordinate(args[1],t.getLocation().getX());
    Double y;
    Double z;
    if (r.checkArgs(args,3) == false) {
      z=LocationUtil.getCoordinate(args[2],t.getLocation().getZ());
      y=(double)w.getHighestBlockYAt(x.intValue(),z.intValue());
    }
 else {
      y=LocationUtil.getCoordinate(args[2],t.getLocation().getY());
      z=LocationUtil.getCoordinate(args[3],t.getLocation().getZ());
    }
    LocationUtil.teleport(t,new Location(w,x,y,z),PlayerTeleportEvent.TeleportCause.COMMAND,false);
    LocationUtil.playEffect(t,new Location(w,x,y,z));
    r.sendMes(cs,"String_Node_Str","String_Node_Str",t.getName(),"String_Node_Str",x,"String_Node_Str",y,"String_Node_Str",z);
    return;
  }
 else {
    Player tg=r.searchPlayer(args[0]);
    if (tg == null) {
      r.sendMes(cs,"String_Node_Str","String_Node_Str",args[0]);
      return;
    }
 else {
      if (r.checkArgs(args,1) == false) {
        if (!r.isPlayer(cs)) {
          return;
        }
        Player p=(Player)cs;
        if (!UC.getPlayer(tg).hasTeleportEnabled() && !r.perm(cs,"String_Node_Str",false,false)) {
          r.sendMes(cs,"String_Node_Str","String_Node_Str",tg.getName());
          return;
        }
        LocationUtil.teleport(p,tg,PlayerTeleportEvent.TeleportCause.COMMAND,true);
        r.sendMes(cs,"String_Node_Str","String_Node_Str",tg.getName());
      }
 else {
        if (!r.perm(cs,"String_Node_Str",false,true)) {
          return;
        }
        Player tg2=r.searchPlayer(args[1]);
        if (tg2 == null) {
          r.sendMes(cs,"String_Node_Str","String_Node_Str",args[1]);
        }
 else {
          if (UC.getPlayer(tg).hasTeleportEnabled() == false && !r.perm(cs,"String_Node_Str",false,false)) {
            r.sendMes(cs,"String_Node_Str","String_Node_Str",tg.getName());
            return;
          }
          if (UC.getPlayer(tg2).hasTeleportEnabled() == false && !r.perm(cs,"String_Node_Str",false,false)) {
            r.sendMes(cs,"String_Node_Str","String_Node_Str",tg2.getName());
            return;
          }
          LocationUtil.teleport(tg,tg2,PlayerTeleportEvent.TeleportCause.COMMAND,false);
          LocationUtil.playEffect(tg,tg2.getLocation());
          r.sendMes(cs,"String_Node_Str","String_Node_Str",tg.getName(),"String_Node_Str",tg2.getName());
        }
      }
    }
  }
}