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Proof step 248 from proof inv-rmdir (previous step)

isdir0 ↔ isdir, isdir ↔ true, isdir1 ↔ true, dirs[ino1] = mkdir(m, md, # links(ino1, dirs), m1, entries), err = err0, p_inode = inode, dom of < ino0, afs-cons(dirs, files), ispath(q, ROOT_INO, ino1, dirs, files), of-cons(of, dirs, files), pw(user, md), px(user, md), px-parent(user, q, ROOT_INO, dirs, files), ino1 ∈ dirs, str ∈ entries, ⌊err0⌋ , links(ino1, dirs) ≠ ∅ ∨ ino1 = ROOT_INO, entries[str] ∈ dirs ∨ entries[str] ∈ files ⊦ ⟪skip⟫ (of-cons(of, dirs, files) ∧ afs-cons(dirs, files))

Heuristic symbolic execution applied rule skip right

And closed the goal!

Rule argument

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