Memory leak in espresso

[David Power]

I'm on the latest 4.1 branch from git. Espresso runs along fine, but the amount of available ram that's free on my system slowly starts to decrease. When it gets to 0 espresso crashes and all the ram become free again. I've attached the script I used to capture the amount of available memory on my machine and a sample output showing the memory decreasing.

This is an issue as some of my simulations take quite a while to generate the data I need.

I've attached my python script and associated data files if want to try and reproduce the issue. Please let me know if there is anything else you need from me.

Thanks,
David

Mem.sh
Description: application/shellscript

mem_200116_112556.dat
Description: Binary data

1n5u.struct
Description: Binary data

Main.py
Description: Text Data

test_pot.pot
Description: MS-Powerpoint presentation