0.00/0.12	NO
0.00/0.12	Non-termination prover = LP(tech=TOPLAS06, unlimited)
0.00/0.12	** BEGIN proof argument **
0.00/0.12	s2(i,o): ([s2(plus(_0,_1),_2) :- s2(plus(_1,_0),_2)], {s2/2->(0->plus(_0,_1), 1->_2)})
0.00/0.12	** End proof argument **
0.00/0.12	Proof stopped at iteration 1
0.00/0.12	Number of unfolded rules generated by this proof = 9
0.00/0.12	Number of unfolded rules generated by all the parallel proofs = 9
0.00/0.14	EOF