test/regress/regress0/arr1.smt2

   1 (set-logic QF_AX)
   2 (set-info  :status unsat)
   3 (declare-sort Index 0)
   4 (declare-sort Element 0)
   5 (declare-fun a () (Array Index Element))
   6 (declare-fun i1 () Index)
   7 (declare-fun i2 () Index)
   8 (assert (not (=> (= i1 i2) (= (select a i1) (select a i2)))))
   9 (check-sat)
  10