@ARGS
--test-repo complicated1.repo
add a !b
@EXPECT
ERROR: unable to select packages:
  d-2.0:
    breaks: b-1[d<2.0]
    satisfies: a-3[d>1.5] c-1[d>1.0]
  b-1:
    breaks: world[!b]
    satisfies: a-3[b]