0.84/0.92	YES
0.84/0.92	Certificate:
0.84/0.93	(0 (rr2 (product (nf (0)) (nf (0))) 0 1) (rr2 (product (nf (0)) (nf (0))) 0 1))
0.84/0.93	(1 (rr2 (equality) 0 1) (rr2 (equality) 0 1))
0.84/0.93	(2 (not 1) (not (rr2 (equality) 0 1)))
0.84/0.93	(3
0.84/0.93	 (and (0 2))
0.84/0.93	 (and ((rr2 (product (nf (0)) (nf (0))) 0 1) (not (rr2 (equality) 0 1)))))
0.84/0.93	(4 (rr2 (step* (0 0-)) 0 1) (rr2 (step* (0 0-)) 0 1))
0.84/0.93	(5
0.84/0.93	 (and (3 4))
0.84/0.93	 (and ((and ((rr2 (product (nf (0)) (nf (0))) 0 1) (not (rr2 (equality) 0 1))))
0.84/0.93	   (rr2 (step* (0 0-)) 0 1))))
0.84/0.93	(6
0.84/0.93	 (exists 5)
0.84/0.93	 (exists (and ((and ((rr2 (product (nf (0)) (nf (0))) 0 1)
0.84/0.93	      (not (rr2 (equality) 0 1))))
0.84/0.93	    (rr2 (step* (0 0-)) 0 1)))))
0.84/0.93	(7
0.84/0.93	 (exists 6)
0.84/0.93	 (exists (exists (and ((and ((rr2 (product (nf (0)) (nf (0))) 0 1)
0.84/0.93	       (not (rr2 (equality) 0 1))))
0.84/0.93	     (rr2 (step* (0 0-)) 0 1))))))
0.84/0.93	(8
0.84/0.93	 (not 7)
0.84/0.93	 (not (exists (exists (and ((and ((rr2 (product (nf (0)) (nf (0))) 0 1)
0.84/0.93	        (not (rr2 (equality) 0 1))))
0.84/0.93	      (rr2 (step* (0 0-)) 0 1)))))))
0.84/0.93	(9
0.84/0.93	 (nnf 8)
0.84/0.93	 (forall (forall (or ((not (and ((rr2 (product (nf (0)) (nf (0))) 0 1)
0.84/0.93	        (not (rr2 (equality) 0 1)))))
0.84/0.93	     (not (rr2 (step* (0 0-)) 0 1)))))))
0.84/0.93	(nonempty 9)
0.84/0.93	EOF