/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files


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NO

Problem:
 f(tt(),x) -> f(isList(x),x)
 isList(Cons(x,xs())) -> isList(xs())
 isList(nil()) -> tt()

Proof:
 Unfolding Processor:
  loop length: 2
  terms:
   f(isList(nil()),nil())
   f(tt(),nil())
  context: []
  substitution:
   
  Qed