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by Jweb_Guru 3117 days ago
A best-in-class, hard-real-time, preemptible operating system has been formally verified (along with many other components). CompCert exists. Iris progresses apace. Every day, newer and more complex formal systems are proved correct. I don't really buy the "logic fails at sufficient complexity" argument. By all accounts, it's succeeded where people have put in the effort.