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


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MAYBE

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

Proof:
 Open