/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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YES

Problem:
 d(x) -> e(u(x))
 d(u(x)) -> c(x)
 c(u(x)) -> b(x)
 v(e(x)) -> x
 b(u(x)) -> a(e(x))

Proof:
 String Reversal Processor:
  d(x) -> u(e(x))
  u(d(x)) -> c(x)
  u(c(x)) -> b(x)
  e(v(x)) -> x
  u(b(x)) -> e(a(x))
  KBO Processor:
   weight function:
    w0 = 1
    w(a) = w(v) = w(b) = w(c) = w(u) = w(d) = 1
    w(e) = 0
   precedence:
    e > d > a ~ v ~ b ~ c ~ u
   problem:
    
   Qed