(ignored inputs)COMMENT Example 2.2.28 of \cite{Gra96thesis}
Rewrite Rules:
   [ f(a,?x) -> f(a,g(?x)),
     a -> b,
     g(?x) -> ?x ]
Apply Direct Methods...
Inner CPs:
   [ f(b,?x) = f(a,g(?x)) ]
Outer CPs:
   [  ]
not Overlay, check Termination...
unknown/not Terminating
unknown Knuth&Bendix
Linear
unknown Development Closed
unknown Strongly Closed
inner CP cond (upside-parallel)
Upside-Parallel-Closed/Outside-Closed
Direct Methods: CR

Final result: CR
/local-scratch/hzankl/2012/cops2012/37.trs: Success(CR)
(0 msec.)