Program: 10529
Project: 10529
Buggy source:
@Override public boolean execute(ScriptEntry theEntry) throws CommandException {
  Location interactLocation=null;
  Integer duration=null;
  if (theEntry.arguments() != null) {
    for (    String thisArgument : theEntry.arguments()) {
      if (plugin.debugMode)       plugin.getLogger().info("String_Node_Str" + theEntry.getCommand() + "String_Node_Str"+ thisArgument);
 else       if (thisArgument.toUpperCase().contains("String_Node_Str"))       if (thisArgument.split("String_Node_Str")[1].matches("String_Node_Str")) {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        duration=Integer.valueOf(thisArgument.split("String_Node_Str")[1]);
      }
 else       if (plugin.bookmarks.exists(theEntry.getDenizen(),thisArgument)) {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str" + thisArgument + "String_Node_Str");
        interactLocation=plugin.bookmarks.get(theEntry.getDenizen(),thisArgument,BookmarkType.LOCATION);
      }
 else       if (thisArgument.split("String_Node_Str").length == 2) {
        if (plugin.bookmarks.exists(thisArgument.split("String_Node_Str")[0],thisArgument.split("String_Node_Str")[1]))         if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str" + thisArgument.split("String_Node_Str")[0] + "String_Node_Str");
        interactLocation=plugin.bookmarks.get(thisArgument.split("String_Node_Str")[0],thisArgument.split("String_Node_Str")[1],BookmarkType.LOCATION);
      }
 else {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
    }
  }
  if (interactLocation != null) {
    if (interactLocation.getBlock().getType() == Material.LEVER) {
      World theWorld=interactLocation.getWorld();
      net.minecraft.server.Block.LEVER.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
      return true;
    }
 else     if (interactLocation.getBlock().getType() == Material.STONE_BUTTON) {
      World theWorld=interactLocation.getWorld();
      net.minecraft.server.Block.STONE_BUTTON.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
      return true;
    }
 else     if (interactLocation.getBlock().getType() == Material.STONE_PLATE) {
      World theWorld=interactLocation.getWorld();
      net.minecraft.server.Block.STONE_PLATE.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
      return true;
    }
 else     if (interactLocation.getBlock().getType() == Material.WOOD_PLATE) {
      World theWorld=interactLocation.getWorld();
      net.minecraft.server.Block.WOOD_PLATE.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
      return true;
    }
 else {
      if (plugin.debugMode)       plugin.getLogger().log(Level.INFO,"String_Node_Str" + interactLocation.getBlock().getType().name() + "String_Node_Str");
    }
  }
  if (duration != null) {
    plugin.getServer().getScheduler().scheduleSyncDelayedTask(plugin,new SwitchCommandRunnable<Location>(interactLocation){
      @Override public void run(      Location interactLocation){
        if (interactLocation != null) {
          if (interactLocation.getBlock().getType() == Material.LEVER) {
            World theWorld=interactLocation.getWorld();
            net.minecraft.server.Block.LEVER.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
            return;
          }
 else           if (interactLocation.getBlock().getType() == Material.STONE_BUTTON) {
            World theWorld=interactLocation.getWorld();
            net.minecraft.server.Block.STONE_BUTTON.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
            return;
          }
 else           if (interactLocation.getBlock().getType() == Material.STONE_PLATE) {
            World theWorld=interactLocation.getWorld();
            net.minecraft.server.Block.STONE_PLATE.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
            return;
          }
 else           if (interactLocation.getBlock().getType() == Material.WOOD_PLATE) {
            World theWorld=interactLocation.getWorld();
            net.minecraft.server.Block.WOOD_PLATE.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
            return;
          }
 else {
            if (plugin.debugMode)             plugin.getLogger().log(Level.INFO,"String_Node_Str" + interactLocation.getBlock().getType().name() + "String_Node_Str");
          }
        }
      }
    }
,duration * 20);
  }
  return false;
}

Fixed version (ground truth):
@Override public boolean execute(ScriptEntry theEntry) throws CommandException {
  Location interactLocation=null;
  Integer duration=null;
  if (theEntry.arguments() != null) {
    for (    String thisArgument : theEntry.arguments()) {
      if (plugin.debugMode)       plugin.getLogger().info("String_Node_Str" + theEntry.getCommand() + "String_Node_Str"+ thisArgument);
 else       if (thisArgument.toUpperCase().contains("String_Node_Str"))       if (thisArgument.split("String_Node_Str")[1].matches("String_Node_Str")) {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
        duration=Integer.valueOf(thisArgument.split("String_Node_Str")[1]);
      }
 else       if (thisArgument.matches("String_Node_Str") && plugin.bookmarks.exists(thisArgument.split("String_Node_Str")[1],thisArgument.split("String_Node_Str")[2])) {
        interactLocation=plugin.bookmarks.get(thisArgument.split("String_Node_Str")[1],thisArgument.split("String_Node_Str")[2],BookmarkType.LOCATION);
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
 else       if (thisArgument.matches("String_Node_Str") && plugin.bookmarks.exists(theEntry.getDenizen(),thisArgument.split("String_Node_Str")[1])) {
        interactLocation=plugin.bookmarks.get(theEntry.getDenizen(),thisArgument,BookmarkType.LOCATION);
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
 else {
        if (plugin.debugMode)         plugin.getLogger().log(Level.INFO,"String_Node_Str");
      }
    }
  }
  if (interactLocation != null) {
    if (interactLocation.getBlock().getType() == Material.LEVER) {
      World theWorld=interactLocation.getWorld();
      net.minecraft.server.Block.LEVER.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
      return true;
    }
 else     if (interactLocation.getBlock().getType() == Material.STONE_BUTTON) {
      World theWorld=interactLocation.getWorld();
      net.minecraft.server.Block.STONE_BUTTON.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
      return true;
    }
 else     if (interactLocation.getBlock().getType() == Material.STONE_PLATE) {
      World theWorld=interactLocation.getWorld();
      net.minecraft.server.Block.STONE_PLATE.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
      return true;
    }
 else     if (interactLocation.getBlock().getType() == Material.WOOD_PLATE) {
      World theWorld=interactLocation.getWorld();
      net.minecraft.server.Block.WOOD_PLATE.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
      return true;
    }
 else {
      if (plugin.debugMode)       plugin.getLogger().log(Level.INFO,"String_Node_Str" + interactLocation.getBlock().getType().name() + "String_Node_Str");
    }
  }
  if (duration != null) {
    plugin.getServer().getScheduler().scheduleSyncDelayedTask(plugin,new SwitchCommandRunnable<Location>(interactLocation){
      @Override public void run(      Location interactLocation){
        if (interactLocation != null) {
          if (interactLocation.getBlock().getType() == Material.LEVER) {
            World theWorld=interactLocation.getWorld();
            net.minecraft.server.Block.LEVER.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
            return;
          }
 else           if (interactLocation.getBlock().getType() == Material.STONE_BUTTON) {
            World theWorld=interactLocation.getWorld();
            net.minecraft.server.Block.STONE_BUTTON.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
            return;
          }
 else           if (interactLocation.getBlock().getType() == Material.STONE_PLATE) {
            World theWorld=interactLocation.getWorld();
            net.minecraft.server.Block.STONE_PLATE.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
            return;
          }
 else           if (interactLocation.getBlock().getType() == Material.WOOD_PLATE) {
            World theWorld=interactLocation.getWorld();
            net.minecraft.server.Block.WOOD_PLATE.interact(((CraftWorld)theWorld).getHandle(),interactLocation.getBlockX(),interactLocation.getBlockY(),interactLocation.getBlockZ(),null,0,0f,0f,0f);
            return;
          }
 else {
            if (plugin.debugMode)             plugin.getLogger().log(Level.INFO,"String_Node_Str" + interactLocation.getBlock().getType().name() + "String_Node_Str");
          }
        }
      }
    }
,duration * 20);
  }
  return false;
}