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


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NO

Problem:
 U12(tt()) -> s(plus(N,M))
 U22(tt()) -> plus(x(N,M),N)
 U11(tt()) -> U12(tt())
 U21(tt()) -> U22(tt())
 plus(N,0()) -> N
 plus(N,s(M)) -> U11(tt())
 x(N,0()) -> 0()
 x(N,s(M)) -> U21(tt())

Proof:
 Fresh Variable Processor:
  loop length: 1
  terms:
   U12(tt())
  context: s(plus([],M))
  substitution:
   N -> U12(tt())
  Qed