This bug is part of a series of bugs observed during watching 2 AIs fight eachother with fog of war off. This was accomplished by taking a 2 player map and adding a third core walled off with impenetrable rock, and starting a game with me in the third core and 2 AIs playing the default core locations.
The AI is bugged when trying to breach dungeons, in that every time I have observed the AI trying to build underminers, it sells them a few seconds after lighting them, and then builds them again, wasting money in the process and getting nothing done. Although the map included is a modded Seastead II, I have seen the AI have this issue in every map and every AI that wants to breach a dungeon with Underminers.
This was done on Seastead II, modded to have an extra core, and fog of war was turned off.
Windows 7 64-bit
8 GB RAM, Intel Core i3 6100, NVidia GeForce GTX 750 Ti
Output log and map used is in the zip file provided below.
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