0.97/0.53	YES
0.97/0.54	
0.97/0.54	Problem:
0.97/0.54	 b(a(b(b(a(b(x1)))))) -> a(b(a(b(b(b(a(x1)))))))
0.97/0.54	
0.97/0.54	Proof:
0.97/0.54	 Bounds Processor:
0.97/0.54	  bound: 1
0.97/0.54	  enrichment: match
0.97/0.54	  automaton:
0.97/0.54	   final states: {1}
0.97/0.54	   transitions:
0.97/0.54	    f20() -> 2*
0.97/0.54	    a0(2) -> 3*
0.97/0.54	    a0(6) -> 7*
0.97/0.54	    a0(8) -> 1*
0.97/0.54	    b0(5) -> 6*
0.97/0.54	    b0(7) -> 8*
0.97/0.54	    b0(4) -> 5*
0.97/0.54	    b0(3) -> 4*
0.97/0.54	    a1(15) -> 16*
0.97/0.54	    a1(9) -> 10*
0.97/0.54	    a1(13) -> 14*
0.97/0.54	    b1(10) -> 11*
0.97/0.54	    b1(12) -> 13*
0.97/0.54	    b1(14) -> 15*
0.97/0.54	    b1(11) -> 12*
0.97/0.54	    1 -> 4*
0.97/0.54	    7 -> 9*
0.97/0.54	    16 -> 8*
0.97/0.54	  problem:
0.97/0.54	   
0.97/0.54	  Qed
0.97/0.54	EOF