/export/starexec/sandbox/solver/bin/starexec_run_ttt2 /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files


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NO

Problem:
 f(x,f(a(),y)) -> f(a(),f(f(f(a(),a()),y),x))

Proof:
 Unfolding Processor:
  loop length: 6
  terms:
   f(f(a(),f(a(),x1775)),f(a(),f(a(),x1943)))
   f(a(),f(f(f(a(),a()),f(a(),x1943)),f(a(),f(a(),x1775))))
   f(a(),f(a(),f(f(f(a(),a()),f(a(),x1775)),f(f(a(),a()),f(a(),x1943)))))
   f(a(),f(a(),f(f(a(),f(f(f(a(),a()),x1775),f(a(),a()))),f(f(a(),a()),f(a(),x1943)))))
   f(a(),f(a(),f(f(a(),f(a(),f(f(f(a(),a()),a()),f(f(a(),a()),x1775)))),f(f(a(),a()),f(a(),x1943)))))
   f(a(),f(a(),f(f(a(),f(a(),f(f(f(a(),a()),a()),f(f(a(),a()),x1775)))),
                 f(a(),f(f(f(a(),a()),x1943),f(a(),a()))))))
  context: f(a(),f(a(),[]))
  substitution:
   x1775 -> f(f(f(a(),a()),a()),f(f(a(),a()),x1775))
   x1943 -> f(f(f(a(),a()),a()),f(f(a(),a()),x1943))
  Qed