/export/starexec/sandbox/solver/bin/starexec_run_tct_dci_cert /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- MAYBE EmptyProcessor - Strict TRS: bsort(.(x,y)) -> last(.(bubble(.(x,y)),bsort(butlast(bubble(.(x,y)))))) bsort(nil()) -> nil() bubble(.(x,.(y,z))) -> if(<=(x,y),.(y,bubble(.(x,z))),.(x,bubble(.(y,z)))) bubble(.(x,nil())) -> .(x,nil()) bubble(nil()) -> nil() butlast(.(x,.(y,z))) -> .(x,butlast(.(y,z))) butlast(.(x,nil())) -> nil() butlast(nil()) -> nil() last(.(x,.(y,z))) -> last(.(y,z)) last(.(x,nil())) -> x last(nil()) -> 0() - Signature: {bsort/1,bubble/1,butlast/1,last/1} / {./2,0/0,<=/2,if/3,nil/0} - Obligation: innermost derivational complexity wrt. signature {.,0,<=,bsort,bubble,butlast,if,last,nil} The problem is still open.