resource main2()
  import foo
  const int N = 5
  op done(); cap vm  vmcap
  cap foo  foo1, foo2
  foo1 = create foo(N, 1, done)
  vmcap = create vm()
  foo2 = create foo(N, 2, done) on vmcap
  for [ i = 1 to 2*N ] { receive done() }
  destroy foo1; destroy foo2
  destroy vmcap
end