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Proof step 133 from proof refine-readdir (previous step)

root[path].dir? ↔ ino1 ∈ dirs, err0 = err1, root.dir?, dom of < ino0, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), ispath(path, ROOT_INO, ino1, dirs, files), of-cons(of, dirs, files), px-parent(user, path, ROOT_INO, dirs, files), ⌊err1⌋ , psynced → asynced, ino1 ∈ dirs ∨ ino1 ∈ files ⊦ ⟨strings := ?⟩ ((psynced → asynced) ∧ strings0 = strings ∧ err1 = err0)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

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