Not able to reproduce easily, since the save was lost due to crash. I did see an item (spellcaster's gloves? the red ones with no encumberance) get generated from the statue but that was the last thing I saw.
(I am using linux rather than windows now, if that matters)
[1.9.3] Crash when using Pickaxe on statues in medusa room
Re: [1.9.3] Crash when using Pickaxe on statues in medusa room
Maybe there was something useful in the logfile before it crashed? This sounds like a memory access bug if it crashed instantly like this.