Prove account balances are nonnegative

3 jobs for master in 7 minutes and 32 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #101088
au
coq:8.8

00:03:45

passed #101089
au
coq:8.9

00:04:27

passed #101090
au
coq:dev

00:03:46