/export/starexec/sandbox/solver/bin/starexec_run_Certifiable /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- MAYBE f true xs f eq s length xs length cons a xs append xs cons b nil length nil 0 length cons x xs s length xs eq 0 0 true eq s x 0 false eq 0 s y false eq s x s y eq x y append nil ys ys append cons x xs ys cons x append xs ys 2.2 eq s x s y eq x y f true xs length xs f true xs length cons a xs f true xs eq s length xs length cons a xs length cons x xs length xs append cons x xs ys append xs ys f true xs append xs cons b nil f true xs f eq s length xs length cons a xs append xs cons b nil true f true xs f eq s length xs length cons a xs append xs cons b nil true Failed! NaTT certifiable-1.6