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

Save 26.06.16.rar

War for the Overworld Launcher Log.txt


Game Version:
Steam Public

At this point I'm inclined to say that the AI will be getting an overhaul in a later patch. Until then I suspect this an edge case that just wouldn't be worth the investment in fixing if it's just going to get fixed by that. I'll decline this for now but if it's not fixed when we eventually do the Skirmish AI Overhaul might be worth bringing up again.

Clarification. I mistakenly wrote "Impenetrable Rock, but meant Brimstone.