verify: ihello: check: deadlock: ok
verify: ihello: check: unreachable: ok
verify: ihello: check: livelock: ok
verify: ihello: check: deterministic: ok
verify: iworld: check: deadlock: ok
verify: iworld: check: unreachable: ok
verify: iworld: check: livelock: ok
verify: iworld: check: deterministic: ok
verify: simplify_guards: check: deterministic: ok
verify: simplify_guards: check: illegal: ok
verify: simplify_guards: check: deadlock: ok
verify: simplify_guards: check: unreachable: ok
verify: simplify_guards: check: livelock: ok
verify: simplify_guards: check: compliance: ok
