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Proof step 8 from proof refine-link (previous step)

p_inode1.ino = cache_dirs[ino].entries[str], p_inode1.nlink = ((cache_files ⊕ cache_pcache) ⊕ cache_icache)[p_inode1.ino].nlink, p_inode1.nsubdirs = 0, afs_dirs = cache_dirs, afs_files = (cache_files ⊕ cache_pcache) ⊕ cache_icache, boolvar, c_inode = p_inode1, err = err0, m0 = cache_dirs[m].nlink, m1 = cache_dirs[m].nsubdirs, m2 = cache_dirs[m].size, new_dent = negdentry(str0), p_inode = p_inode0, p_inode0 = mkinode(m, md, boolvar, m0, m1, m2), 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), p_inode1.ino ∈ cache_files, m ∈ cache_dirs, str ∈ cache_dirs[ino].entries, ino ∈ cache_dirs, cache_sync → synced(cache_files, cache_icache, cache_pcache), links(p_inode1.ino, cache_dirs) ≠ ∅ ∨ p_inode1.ino = ROOT_INO, links(m, cache_dirs) ≠ ∅ ∨ m = ROOT_INO, links(ino, cache_dirs) ≠ ∅ ∨ ino = ROOT_INO ⊦ ⟪cache_link#(mkdentry(str, p_inode1.ino); p_inode, c_inode, new_dent, err, cache_dirs, cache_files, cache_icache, cache_dcache, cache_asynced)⟫ ⟨old_dent0 := negdentry(str0); afs_link#(mkdentry(str, p_inode1.ino); p_inode0, p_inode1, old_dent0, err0, afs_dirs, afs_files; afs_asynced)⟩ ( afs_dirs = cache_dirs ∧ afs_files = (cache_files ⊕ cache_pcache) ⊕ cache_icache ∧ (afs_asynced ↔ cache_asynced) ∧ p_inode = p_inode0 ∧ c_inode = p_inode1 ∧ new_dent = old_dent0 ∧ err = err0), p_inode1.directory, str0 ∈ cache_dirs[m].entries

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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