test/regress/regress0/simple2.smtv1.smt2

   1 (set-option :incremental false)
   2 (set-info :status sat)
   3 (set-logic QF_UF)
   4 (declare-sort U 0)
   5 (declare-fun x0 () Bool)
   6 (declare-fun x1 () Bool)
   7 (declare-fun x2 () Bool)
   8 (declare-fun x3 () Bool)
   9 (check-sat-assuming ( (and (or x1 (not x0)) (or x0 (not x3)) (or x3 x2) (not x1)) ))