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Proof step 206 from proof refine-link (previous step)

dirs[ino2] = mkdir(# entries, md1, # links(ino2, dirs), m3, entries), files[entries0[str]] = mkfile(m, md, # links(entries0[str], dirs), content), dirs[ino1] = mkdir(# entries0, md0, # links(ino1, dirs), m2, entries0), fs = abs-files(files), ofh = abs-of(of), path = q + str ', path' = q0 + str0 ', root.dir?, root[q].dir?, root[q0].dir?, dom of < ino0, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), ispath(q0, ROOT_INO, ino2, dirs, files), ispath(q, ROOT_INO, ino1, dirs, files), of-cons(of, dirs, files), px(user, md0), px-parent(user, q0, ROOT_INO, dirs, files), px-parent(user, q, ROOT_INO, dirs, files), entries0[str] ∈ files, ino1 ∈ dirs, str ∈ entries0, ino2 ∈ dirs, psynced → asynced, links(ino1, dirs) ≠ ∅ ∨ ino1 = ROOT_INO, ¬ px(user, md1) ∨ ¬ pw(user, md1) ⊦ ⟨choose err with pre-link(path, path', err, user, root, fs, ofh) in err0 := err; if err0 = ESUCCESS then let fid = root[path].fid in root[path'] := fnode(fid); psynced := ?⟩ (abs(root, ROOT_INO)(dirs) ∧ (psynced → asynced) ∧ EACCESS = err0), root[q + str '].dir?, entries0[str] ∈ dirs

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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