Comment (by Erik Schnetter):

NUM_SMT was introduced late in the game. On many systems it is always 1. It is quite likely that there are old machine files that don’t take NUM_SMT into account, or which were copied to create newer machine files that then have the same problem.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2482/inconsistency-in-simfactory-submission