Program: 42030
Project: 42030
Buggy source:
public boolean execute(ICommandSender sender,String[] args) throws Exception {
  IPlayer player=(IPlayer)sender;
  if (player.hasPermission(PermissionNames.USER_HOME)) {
    if (manager.isPlotWorld(player) || plugin.getConfig().getBoolean("String_Node_Str")) {
      UUID uuid=player.getUniqueId();
      IWorld world;
      if (manager.isPlotWorld(player)) {
        world=player.getWorld();
      }
 else {
        world=manager.getFirstWorld();
      }
      String worldName=world.getName();
      int nb=1;
      if (args[1].contains("String_Node_Str")) {
        if (args[1].split("String_Node_Str").length == 1 || args[0].split("String_Node_Str")[1].isEmpty()) {
          player.sendMessage(getUsage());
          return true;
        }
        try {
          nb=Integer.parseInt(args[1].split("String_Node_Str")[1]);
        }
 catch (        NumberFormatException e) {
          player.sendMessage(getUsage());
          return true;
        }
      }
      String playerName=player.getName();
      if (args.length == 2) {
        if (manager.getWorld(args[1]) == null) {
          playerName=args[1];
          uuid=null;
        }
 else {
          world=serverBridge.getWorld(args[1]);
        }
      }
      if (args.length == 3) {
        if (manager.getWorld(args[2]) == null) {
          player.sendMessage(args[2] + C("String_Node_Str"));
          return true;
        }
        world=serverBridge.getWorld(args[2]);
        worldName=args[2];
      }
      if (world == null) {
        return true;
      }
      PlotMapInfo pmi=manager.getMap(world);
      if (manager.isPlotWorld(world)) {
        int i=nb - 1;
        for (        Plot plot : plugin.getSqlManager().getOwnedPlots(world,uuid)) {
          ILocation location;
          if (uuid == null) {
            if (plot.getOwner().equals(playerName)) {
              if (i == 0) {
                double price=0.0;
                location=manager.getPlotHome(plot.getId(),player.getWorld());
                PlotTeleportHomeEvent event=new PlotTeleportHomeEvent(plot,player,location);
                if (manager.isEconomyEnabled(pmi)) {
                  price=pmi.getPlotHomePrice();
                  if (serverBridge.has(player,price)) {
                    plugin.getEventBus().post(event);
                    if (event.isCancelled()) {
                      return true;
                    }
                    EconomyResponse er=serverBridge.withdrawPlayer(player,price);
                    if (!er.transactionSuccess()) {
                      player.sendMessage(er.errorMessage);
                      return true;
                    }
                  }
 else {
                    player.sendMessage(C("String_Node_Str") + "String_Node_Str" + C("String_Node_Str")+ "String_Node_Str"+ serverBridge.getEconomy().format(price));
                    return true;
                  }
                }
 else {
                  plugin.getEventBus().post(event);
                }
                if (!event.isCancelled()) {
                  player.setLocation(event.getHomeLocation());
                  if (price != 0) {
                    player.sendMessage(serverBridge.getEconomy().format(price));
                  }
                }
                return true;
              }
              i--;
            }
          }
 else           if (plot.getOwnerId().equals(uuid)) {
            if (i == 0) {
              double price=0.0;
              location=manager.getPlotHome(plot.getId(),player.getWorld());
              PlotTeleportHomeEvent event=new PlotTeleportHomeEvent(plot,player,location);
              if (manager.isEconomyEnabled(pmi)) {
                price=pmi.getPlotHomePrice();
                if (serverBridge.has(player,price)) {
                  plugin.getEventBus().post(event);
                  if (!event.isCancelled()) {
                    EconomyResponse er=serverBridge.withdrawPlayer(player,price);
                    if (!er.transactionSuccess()) {
                      player.sendMessage(er.errorMessage);
                      return true;
                    }
                  }
                }
 else {
                  player.sendMessage(C("String_Node_Str") + "String_Node_Str" + C("String_Node_Str")+ "String_Node_Str"+ serverBridge.getEconomy().format(price));
                  return true;
                }
              }
 else {
                plugin.getEventBus().post(event);
              }
              if (!event.isCancelled()) {
                player.teleport(event.getHomeLocation());
                if (price != 0) {
                  player.sendMessage(serverBridge.getEconomy().format(price));
                }
              }
              return true;
            }
            i--;
          }
        }
        if (nb > 0) {
          if (playerName.equals(player.getName())) {
            player.sendMessage(C("String_Node_Str") + "String_Node_Str" + nb);
          }
 else {
            player.sendMessage(playerName + "String_Node_Str" + C("String_Node_Str")+ "String_Node_Str"+ nb);
          }
        }
 else         if (!playerName.equals(player.getName())) {
          player.sendMessage(playerName + "String_Node_Str" + C("String_Node_Str"));
        }
 else {
          player.sendMessage(C("String_Node_Str"));
        }
      }
 else {
        player.sendMessage(worldName + C("String_Node_Str"));
      }
    }
 else {
      player.sendMessage(C("String_Node_Str"));
    }
  }
 else {
    return false;
  }
  return true;
}

Fixed version (ground truth):
public boolean execute(ICommandSender sender,String[] args) throws Exception {
  IPlayer player=(IPlayer)sender;
  if (player.hasPermission(PermissionNames.USER_HOME)) {
    if (manager.isPlotWorld(player) || plugin.getConfig().getBoolean("String_Node_Str")) {
      UUID uuid=player.getUniqueId();
      IWorld world;
      if (manager.isPlotWorld(player)) {
        world=player.getWorld();
      }
 else {
        world=manager.getFirstWorld();
      }
      int nb=1;
      if (args[1].contains("String_Node_Str")) {
        if (args[1].split("String_Node_Str").length == 1 || args[0].split("String_Node_Str")[1].isEmpty()) {
          player.sendMessage(getUsage());
          return true;
        }
        try {
          nb=Integer.parseInt(args[1].split("String_Node_Str")[1]);
        }
 catch (        NumberFormatException e) {
          player.sendMessage(getUsage());
          return true;
        }
      }
      String playerName=player.getName();
      if (args.length == 2) {
        if (manager.getWorld(args[1]) == null) {
          playerName=args[1];
          uuid=null;
        }
 else {
          world=manager.getWorld(args[1]);
        }
      }
      if (args.length == 3) {
        if (manager.getWorld(args[2]) == null) {
          player.sendMessage(args[2] + C("String_Node_Str"));
          return true;
        }
        world=manager.getWorld(args[2]);
      }
      if (world == null) {
        return true;
      }
      PlotMapInfo pmi=manager.getMap(world);
      if (manager.isPlotWorld(world)) {
        int i=nb - 1;
        for (        Plot plot : plugin.getSqlManager().getOwnedPlots(world,uuid)) {
          ILocation location;
          if (plot.getOwnerId().equals(uuid)) {
            if (i == 0) {
              double price=0.0;
              location=manager.getPlotHome(plot.getId(),player.getWorld());
              PlotTeleportHomeEvent event=new PlotTeleportHomeEvent(plot,player,location);
              if (manager.isEconomyEnabled(pmi)) {
                price=pmi.getPlotHomePrice();
                if (serverBridge.has(player,price)) {
                  plugin.getEventBus().post(event);
                  if (!event.isCancelled()) {
                    EconomyResponse er=serverBridge.withdrawPlayer(player,price);
                    if (!er.transactionSuccess()) {
                      player.sendMessage(er.errorMessage);
                      return true;
                    }
                  }
                }
 else {
                  player.sendMessage(C("String_Node_Str") + "String_Node_Str" + C("String_Node_Str")+ "String_Node_Str"+ serverBridge.getEconomy().get().format(price));
                  return true;
                }
              }
 else {
                plugin.getEventBus().post(event);
              }
              if (!event.isCancelled()) {
                player.teleport(event.getHomeLocation());
                if (price != 0) {
                  player.sendMessage(serverBridge.getEconomy().get().format(price));
                }
              }
              return true;
            }
            i--;
          }
        }
        if (nb > 0) {
          if (playerName.equals(player.getName())) {
            player.sendMessage(C("String_Node_Str") + "String_Node_Str" + nb);
          }
 else {
            player.sendMessage(playerName + "String_Node_Str" + C("String_Node_Str")+ "String_Node_Str"+ nb);
          }
        }
 else         if (!playerName.equals(player.getName())) {
          player.sendMessage(playerName + "String_Node_Str" + C("String_Node_Str"));
        }
 else {
          player.sendMessage(C("String_Node_Str"));
        }
      }
 else {
        player.sendMessage(world.getName() + C("String_Node_Str"));
      }
    }
 else {
      player.sendMessage(C("String_Node_Str"));
    }
  }
 else {
    return false;
  }
  return true;
}