Comment (by Matthew Cerep):

I just ran that command, and it output maxwalltime     = 24:00:00 , so simfactory does think the max walltime is 24 hours. I’ll take a look at lib/simrestart.py and see if I find anything odd.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2725/walltime-being-overwritten-to-24-hours