/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(f(s(x),0()),f(y,z)) -> f(f(y,z),f(y,s(z)))
 f(f(s(x),s(y)),f(z,w)) -> f(f(x,y),f(z,w))

Proof:
 Open