1 To represent a logical impossibility as a "task" that the omnipotent being “can’t do.”
2 To represent a DISABILITY as a power that an omnipotent being “can’t do.”
This is a no. 2
To the second category is “I’m better than God, because I can fuck up, be ignorant, fail, and God can’t!”
The only REASON one could have to “change one’s mind” is if one were WRONG in the first place.