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Proof step 145 from proof refine-writemeta (previous step)

dirs[m] = mkdir(# entries, md0, # links(m, dirs), m2, entries), err0 = err1, fs = abs-files(files), ofh = abs-of(of), root.dir?, root[path].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, m, dirs, files), of-cons(of, dirs, files), pw(user, md0), px-parent(user, path, ROOT_INO, dirs, files), m ∈ dirs, ⌊err⌋ , psynced → asynced0 ⊦ ⟨choose err with pre-writemeta(path, md, err, user, root, fs, ofh) in err0 := err; if err0 = ESUCCESS then if root[path].dir? then root[path].meta := md else let fid = root[path].fid in fs[fid].meta := md; psynced := ?⟩ (fs = abs-files(files) ∧ abs(root, ROOT_INO)(dirs) ∧ (psynced → asynced) ∧ err = err0)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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