God is defined to be infinite and omniscient (humans cannot comprehend the vastness of His knowledge), and thus He possesses the immeasurable knowledge of all natural laws in the universe. God holds the knowledge of all states in the universe, from the movement of the planets to the reason why a particular human prefers chocolate ice cream (gained from the natural law of upbringing, taste bud molecules, current mood, etc.). Since the universe spanned from God's omnipotence, He knows the initial position of all particles in existence. Much like a simple physics equation, God has derived the future from the initial state and every natural law in reality. As a result, all events are already predetermined by the omniscient God, which upholds the illusion of free will.
This can be solidified with a future prediction example. Suppose God were to know that tomorrow the President of the United States will wear a black suit. If God were to not know this, then his knowledge would not be omniscient, which contradicts the definition of God. If His prediction is true, then the President is compelled to wear a black suit, as God knows beforehand that he will. If the President were to wear a brown suit, then God's knowledge would be imperfect, which contradicts the definition of God, who is a perfect being. Thus, theologically, unopposed free will resists the