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Proof step 249 from proof refine-unlink (previous step)

cache_dirs[m] = mkdir(m0, md4, # links(m, cache_dirs), m3, entries), ((cache_files ⊕ cache_pcache) ⊕ cache_icache)[entries[str]] = mkfile(m7, md2, # links(entries[str], cache_dirs), content0), cache_files[entries[str]] = mkfile(m1, md3, # links(entries[str], cache_dirs), content), afs_files = (cache_files ⊕ cache_pcache) ⊕ cache_icache, c_inode = mkinode(entries[str], md0, false, # links(entries[str], cache_dirs), 0, m6), dent = mkdentry(str, entries[str]), dent0 = mkdentry(str, entries[str]), err = err0, p_inode = mkinode(m, md, true, # links(m, cache_dirs), m3, m0), p_inode0 = mkinode(m, md, true, # links(m, cache_dirs), m3, m0), afs-cons(cache_dirs, cache_files), afs-cons(cache_dirs, (cache_files ⊕ cache_pcache) ⊕ cache_icache), dcache-cons(cache_dcache, cache_dirs, cache_files), icache-cons(cache_icache, cache_dirs, cache_files), pcache-cons(cache_pcache, cache_dirs, cache_files), synced(cache_dirs, cache_icache, cache_pcache), str ∈ entries, m ∈ cache_dirs, entries[str] ∈ cache_files, ⌊err0⌋ , cache_sync → synced(cache_files, cache_icache, cache_pcache), links(m, cache_dirs) ≠ ∅ ∨ m = ROOT_INO ⊦ ⟨p_inode1 := mkinode(entries[str], md0, false, # links(entries[str], cache_dirs), 0, m6); cache_dirs0 := cache_dirs; afs_unlink#(; p_inode0, p_inode1, dent0, err1, cache_dirs, afs_files; afs_asynced)⟩ ( cache_dirs = cache_dirs0 ∧ afs_files = (cache_files ⊕ cache_pcache) ⊕ cache_icache ∧ (afs_asynced ↔ asynced) ∧ p_inode = p_inode0 ∧ c_inode = p_inode1 ∧ dent = dent0 ∧ err = err1)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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