Sat, 22 Sep 2018 14:24:53 +0200 wenzelm proper return code for runtime failure;
Sat, 22 Sep 2018 13:22:43 +0200 wenzelm clarified errors: no result from forced session.stop, check pending theories;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 tip