Forgot this, the line that comes up with `aptitude --log-level=debug` when crashing:
> 2016-09-15 21:03:45 [4,139,685,696] problemresolver.h:3,774 DEBUG
> aptitude.resolver.search - Creating new problem resolver: step_score = -10,
> broken_score = -100, unfixed_soft_score = -200, infinity = 1,000,000,
> full_solution_score = 50, future_horizon = 50, initial_state = {}
