Merge branch 'fix_and_cinc' into 'master'

Fix and conditional increment example

See merge request !19
1 job for master in 15 minutes and 17 seconds (queued for 2 seconds)
Status Job ID Name Coverage
failed #33003


Name Stage Failure
failed Build
Makefile.coq:320: recipe for target 'all' failed
make[1]: *** [all] Error 2
Makefile:6: recipe for target 'all' failed
make: *** [all] Error 2

real 5m7.500s
user 28m13.464s
sys 0m39.932s
ERROR: Job failed: exit code 1