// RUN: %dafny /compile:0 "%s" > "%t" // RUN: %diff "%s.expect" "%t" module Io { predicate AdvanceTime(oldTime:int) { oldTime > 2 } class Time { static method GetTime() ensures AdvanceTime(1); } function MaxPacketSize() : int { 65507 } class UdpClient { method Receive() ensures AdvanceTime(3); method Send() returns(ok:bool) requires 0 <= MaxPacketSize(); } } abstract module Host { import opened Io // Doesn't work. //import Io // Works } abstract module Main { import H : Host }