Ok, sorry but reading that sentence over and over again is killing me inside:
Real time simulation means 1 sec computer simulation = 1 sec real-time.
You are not predicting any future, you are simulating as time goes along :
https://en.wikipedia.org/wiki/Real-time_simulation
(... bunch of other rants and censored screaming ... )
Ok, that's better, I can go to sleep now.