Input TRS:
    1: p(p(b(a(x0)),x1),p(x2,x3)) -> p(p(b(x2),a(a(b(x1)))),p(x3,x0))
Number of strict rules: 1
Direct Order(PosReal,>,Poly) ... failed.
Freezing ... failed.
Dependency Pairs:
   #1: #p(p(b(a(x0)),x1),p(x2,x3)) -> #p(p(b(x2),a(a(b(x1)))),p(x3,x0))
   #2: #p(p(b(a(x0)),x1),p(x2,x3)) -> #p(b(x2),a(a(b(x1))))
   #3: #p(p(b(a(x0)),x1),p(x2,x3)) -> #p(x3,x0)
Number of SCCs: 1, DPs: 2, edges: 4
	SCC { #1 #3 }
Removing DPs: Order(PosReal,>,Sum)... succeeded.
     a(x1)	weight: x1
     b(x1)	weight: x1
   #p(x1,x2)	weight: x1 + x2
     p(x1,x2)	weight: (/ 1 4) + x1 + x2
    Usable rules: { 1 }
    Removed DPs: #3
Number of SCCs: 1, DPs: 1, edges: 1
	SCC { #1 }
Removing DPs: Order(PosReal,>,Sum)... Order(PosReal,>,Max)... QLPOpS... Order(PosReal,>,MaxSum)... QWPOpS(PosReal,>,MaxSum)... Order(PosReal,>,Sum-Sum; PosReal,≥,Sum-Sum)... Order(PosReal,>,Sum-Sum; NegReal,≥,Sum)... Order(PosReal,>,MaxSum-Sum; NegReal,≥,Sum)... failed.
Removing edges: failed.
Finding a loop...  failed.
MAYBE