This report was generated with PropEr's master branch on 24/8/2020 commit.
PropEr shrinks this example to [900]
(most of the time) but also to
[0,900]
[900,0]
[900,0,0]
[0,900,0]
[0,0,900]
[900,0,0,0]
[0,0,0,900]
[0,900,0,0,0]
[0,0,900,0,0]
[0,0,0,900,0]
[0,900,0,0,0,0]
[0,0,0,0,0,0,900]
Over 100 runs, PropEr found a counterexample after 1 or 2 tests only, and performed between 2 and 18 shrinking attempts.
See the report of the run for more information.