/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files


--------------------------------------------------------------------------------


MAYBE

Problem:
 f(f(f(f(j(),a),b),c),d) -> f(f(a,b),f(f(a,d),c))

Proof:
 Open