/export/starexec/sandbox/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- MAYBE Problem: f(x,f(y,a())) -> f(f(a(),a()),f(f(x,a()),y)) Proof: Open