/export/starexec/sandbox/solver/bin/starexec_run_FirstOrder /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- MAYBE We consider the system theBenchmark. We are asked to determine termination of the following first-order TRS. 0 : [] --> o U11 : [o * o] --> o activate : [o] --> o and : [o * o] --> o cons : [o * o] --> o isNat : [o] --> o isNatIList : [o] --> o isNatList : [o] --> o length : [o] --> o n!6220!62200 : [] --> o n!6220!6220cons : [o * o] --> o n!6220!6220isNat : [o] --> o n!6220!6220isNatIList : [o] --> o n!6220!6220isNatList : [o] --> o n!6220!6220length : [o] --> o n!6220!6220nil : [] --> o n!6220!6220s : [o] --> o n!6220!6220zeros : [] --> o nil : [] --> o s : [o] --> o tt : [] --> o zeros : [] --> o zeros => cons(0, n!6220!6220zeros) U11(tt, X) => s(length(activate(X))) and(tt, X) => activate(X) isNat(n!6220!62200) => tt isNat(n!6220!6220length(X)) => isNatList(activate(X)) isNat(n!6220!6220s(X)) => isNat(activate(X)) isNatIList(X) => isNatList(activate(X)) isNatIList(n!6220!6220zeros) => tt isNatIList(n!6220!6220cons(X, Y)) => and(isNat(activate(X)), n!6220!6220isNatIList(activate(Y))) isNatList(n!6220!6220nil) => tt isNatList(n!6220!6220cons(X, Y)) => and(isNat(activate(X)), n!6220!6220isNatList(activate(Y))) length(nil) => 0 length(cons(X, Y)) => U11(and(isNatList(activate(Y)), n!6220!6220isNat(X)), activate(Y)) zeros => n!6220!6220zeros 0 => n!6220!62200 length(X) => n!6220!6220length(X) s(X) => n!6220!6220s(X) cons(X, Y) => n!6220!6220cons(X, Y) isNatIList(X) => n!6220!6220isNatIList(X) nil => n!6220!6220nil isNatList(X) => n!6220!6220isNatList(X) isNat(X) => n!6220!6220isNat(X) activate(n!6220!6220zeros) => zeros activate(n!6220!62200) => 0 activate(n!6220!6220length(X)) => length(X) activate(n!6220!6220s(X)) => s(X) activate(n!6220!6220cons(X, Y)) => cons(X, Y) activate(n!6220!6220isNatIList(X)) => isNatIList(X) activate(n!6220!6220nil) => nil activate(n!6220!6220isNatList(X)) => isNatList(X) activate(n!6220!6220isNat(X)) => isNat(X) activate(X) => X