/export/starexec/sandbox2/solver/bin/starexec_run_Default /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Input TRS: 1: U11(tt()) -> N 2: U21(tt()) -> s(plus(N,M)) 3: and(tt()) -> X 4: isNat() -> tt() 5: isNat() -> and(isNat()) 6: isNat() -> isNat() 7: plus(N,0()) -> U11(isNat()) 8: plus(N,s(M)) -> U21(and(isNat())) Extra variable in rule 2.