1.66/0.75	YES
1.87/0.75	
1.87/0.75	Problem:
1.87/0.75	 a(b(x1)) -> b(a(x1))
1.87/0.75	 b(a(x1)) -> a(a(c(b(x1))))
1.87/0.75	
1.87/0.75	Proof:
1.87/0.75	 Bounds Processor:
1.87/0.75	  bound: 2
1.87/0.75	  enrichment: match
1.87/0.75	  automaton:
1.87/0.75	   final states: {4,1}
1.87/0.75	   transitions:
1.87/0.75	    a1(10) -> 11*
1.87/0.75	    a1(11) -> 12*
1.87/0.75	    c1(9) -> 10*
1.87/0.75	    b1(18) -> 19*
1.87/0.75	    b1(8) -> 9*
1.87/0.75	    a2(30) -> 31*
1.87/0.75	    a2(29) -> 30*
1.87/0.75	    c2(28) -> 29*
1.87/0.75	    f30() -> 2*
1.87/0.75	    b2(27) -> 28*
1.87/0.75	    b0(2) -> 5*
1.87/0.75	    b0(3) -> 1*
1.87/0.75	    a0(7) -> 4*
1.87/0.75	    a0(2) -> 3*
1.87/0.75	    a0(6) -> 7*
1.87/0.75	    c0(5) -> 6*
1.87/0.75	    1 -> 3*
1.87/0.75	    2 -> 8*
1.87/0.75	    4 -> 9,5
1.87/0.75	    10 -> 27*
1.87/0.75	    11 -> 18*
1.87/0.75	    12 -> 1*
1.87/0.75	    19 -> 9*
1.87/0.75	    31 -> 19,9
1.87/0.75	  problem:
1.87/0.75	   
1.87/0.75	  Qed
1.87/0.76	EOF