verify: ihello_world: check: deadlock: ok
verify: ihello_world: check: unreachable: ok
verify: ihello_world: check: livelock: ok
verify: ihello_world: check: deterministic: ok
verify: variant_defer: check: deterministic: ok
verify: variant_defer: check: illegal: ok
verify: variant_defer: check: deadlock: fail
error: invariant violation in model variant_defer
model: variant_defer
h.hello
h.return
<invariant>
verify: variant_defer: check: unreachable: skip
verify: variant_defer: check: livelock: ok
verify: variant_defer: check: compliance: skip
