[662] % z3 small.smt2
Segmentation fault
[663] % 
[663] % cat small.smt2
(set-option :sat.xor.solver true)
(set-option :parallel.enable true)
(set-option :sat.prob_search true)
(declare-fun a () Bool)
(declare-fun b () Bool)
(declare-fun c () Bool)
(declare-fun d () Bool)
(declare-fun e () Bool)
(assert (or (and d (or e c)) (and b (or c d) (or c a))))
(check-sat)
[664] %