verify: ihello: check: deadlock: ok
verify: ihello: check: unreachable: ok
verify: ihello: check: livelock: ok
verify: ihello: check: deterministic: ok
verify: deadlock_blocking_flush: check: deterministic: ok
verify: deadlock_blocking_flush: check: illegal: ok
verify: deadlock_blocking_flush: check: deadlock: fail
error: deadlock in model deadlock_blocking_flush
model: deadlock_blocking_flush
h.hello
w.hello
w.world
w.return
h.world
<deadlock>
verify: deadlock_blocking_flush: check: unreachable: skip
verify: deadlock_blocking_flush: check: livelock: ok
verify: deadlock_blocking_flush: check: compliance: skip
