Nail polish remover. Use a razor blade with a side to side sweeping motion.
According to this article, you can use nail polish remover: https://www.hunker.com/13423957/how-to-remove-super-glue-on-granite
They mention that it may remove the finish on your granite, but the only alternative is to leave the super glue, and they also note that you can repair the finish on your granite if necessary.
Yes, I would try acetone. :)
Hopefully this will help. http://www.howtocleanstuff.net/how-to-remove-super-glue-from-granite/
Have you tried scraping it with a plastic scraper nail polish remover works but put on a q tip and only get on krazy glue