A. I. does not destroy the impenetrable rock, although this is the only way to attack me. Even after 2 hours of playing.
I am attaching the save. Between me and A. I. (master) is impenetrable rock, A. I. it does not destroy, although it took more than 2 hours.
In my map.
Windows 8.1 64 bit, 8 Gm RAM, Intel(R) Core(TM) I7-4500 CPU1.80 GHz 2.40GHz GPU: AMD Radeon R7 M265, Intel(R) HD Graphics Family. Version game 1.4.1f1