Counter flow cooler, pre-boil gravity was actually 1.260; added 1gal water post boil
Based on boiling 5.70 gallonsliters at 1.150 for 90 minutes, this will decrease your wort by 1.50 gallonsliters, bringing your after boil OG to 1.189. You wanted an OG of 1.116. It looks like it will be over.