/export/starexec/sandbox2/solver/bin/starexec_run_default /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- NO Problem 1: (VAR N X XS Y) (RULES add(0,X) -> X add(s(X),Y) -> s(add(X,Y)) fib(N) -> sel(N,fib1(s(0),s(0))) fib1(X,Y) -> cons(X) sel(0,cons(X)) -> X sel(s(N),cons(X)) -> sel(N,XS) ) Problem 1: Extra Variables Processor: -> Rules: add(0,X) -> X add(s(X),Y) -> s(add(X,Y)) fib(N) -> sel(N,fib1(s(0),s(0))) fib1(X,Y) -> cons(X) sel(0,cons(X)) -> X sel(s(N),cons(X)) -> sel(N,XS) -> The system has extra variables. The problem is infinite.