Resource Aware ML, Version 1.4.2, July 2018 Typechecking module ... Typecheck successful. Stack-based typecheck successful. Analyzing function pred ... Trying degree: 1 == pred : nat -> nat Non-zero annotations of the argument: 3.00 <-- [] Non-zero annotations of result: Simplified bound: 3.00 -- Mode: upper Metric: steps Degree: 1 Run time: 0.01 seconds #Constraints: 13 ====