are some bonuses are predetermined???

[Senna]

I'm beginning to think that what you win on some bonuses aren't random, last night when l got my free spins, the game crashed, l was on my last spin, and the reels were still spinning, l left the game and it said l had £224, where as in the game l had £194, so it knew l hadn't won anything on the last spin, went back into the game and it replayed the last spin sequence, maybe none of the bonuses are random???