disable Nitpick on Cygwin while I'm on vacation;
I'll look into the timeout once I'm back
(* Examples for program extraction in Higher-Order Logic *)
no_document use_thys ["Efficient_Nat", "Monad_Syntax", "~~/src/HOL/Number_Theory/UniqueFactorization"];
use_thys ["Greatest_Common_Divisor", "Warshall", "Higman", "Pigeonhole", "Euclid"];