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Proof step 249 from proof inv-link (previous step)

dirs[ino0] = mkdir(m0, md0, # links(ino0, dirs), m3, entries0), files[entries0[str]] = mkfile(m, md, # links(entries0[str], dirs), content), err = err0, err1 = err, inode = mkinode(entries0[str], md, false, # links(entries0[str], dirs), 0, m), afs-cons(dirs, files), ispath(parent(p), ROOT_INO, ino1, dirs, files), ispath(q, ROOT_INO, ino0, dirs, files), of-cons(of, dirs, files), px(user, md0), px-parent(user, parent(p), ROOT_INO, dirs, files), px-parent(user, q, ROOT_INO, dirs, files), str ∈ entries0, ino0 ∈ dirs, entries0[str] ∈ files, ⌊err0⌋ , ino1 ∈ dirs ∨ ino1 ∈ files, links(ino0, dirs) ≠ ∅ ∨ ino0 = ROOT_INO ⊦ ⟪skip; if err1 = ESUCCESS then {c_inode := getinode(mkdentry(str, entries0[str]).ino, dirs, files); new_dent := negdentry(p.last); afs_link#(mkdentry(str, entries0[str]); inode, c_inode, new_dent, err1, dirs, files; asynced)}⟫ (of-cons(of, dirs, files) ∧ afs-cons(dirs, files)), p = ε, entries0[str] ∈ dirs

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Rule argument

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