/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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MAYBE

Problem:
 a(a(a(x1))) -> b(b(c(a(a(x1)))))
 b(b(x1)) -> c(a(b(x1)))
 c(x1) -> x1

Proof:
 Open