6.43 ABV achieved
Based on boiling 6.50 gallonsliters at 1.049 for 60 minutes, this will decrease your wort by 1.00 gallonsliters, bringing your after boil OG to 1.057. You wanted an OG of 1.058. It looks like it will be under.
After carefully using a calculation to make up for A acid loss, the beer was far more bitter than it should have been.