@OP: There's several ways to address this. Today I'll go with...
God apparently knows what he's going to do himself as well. So, if such knowledge precludes free will, God does not have free will. If lack of free will precludes culpability for one's actions, God can't reasonably be judged.
God apparently knows what he's going to do himself as well. So, if such knowledge precludes free will, God does not have free will. If lack of free will precludes culpability for one's actions, God can't reasonably be judged.