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Proof step 23 from proof afs-cons-rename-dir-negdentry (previous step)

asynced1 ↔ new_dent.dentry?, dirs[entries1[str]] = mkdir(m2, md3, # links(entries1[str], dirs), m5, entries0), dirs[m0] = mkdir(m1, md2, # links(m0, dirs), m3, entries), dirs[m] = mkdir(m4, md4, # links(m, dirs), m7, entries1), new_dent = negdentry(str0), new_ino = new_parent_inode.ino, new_parent_inode = mkinode(m0, md1, true, # links(m0, dirs), m3, m1), old_child_inode = mkinode(entries1[str], md, true, # links(entries1[str], dirs), m5, m2), old_dent = mkdentry(str, entries1[str]), old_ino = old_parent_inode.ino, old_parent_inode = mkinode(m, md0, true, # links(m, dirs), m7, m4), afs-cons(dirs, files), pre-rename(old_parent_inode, old_dent, old_child_inode, new_parent_inode, new_dent, new_child_inode, dirs, files), m0 ∈ dirs, m ∈ dirs, entries1[str] ∈ dirs, str ∈ entries1, m0 = m → md1 = md0, links(m0, dirs) ≠ ∅ ∨ m0 = ROOT_INO, links(m, dirs) ≠ ∅ ∨ m = ROOT_INO ⊦ ⟪let asynced0 = old_ino = new_ino ∧ new_dent = old_dent in {dirs[old_ino].entries := dirs[old_ino].entries -- old_dent.name; if ¬ asynced0 then {dirs[old_ino].size := dirs[old_ino].size - 1; if old_dent.ino ∈ dirs then dirs[old_ino].nsubdirs := dirs[old_ino].nsubdirs - 1}; dirs[new_ino].entries[new_dent.name] := old_dent.ino; if asynced1 ∧ ¬ asynced0 then let ino = new_dent.ino in afs_drop_nlink#(ino; dirs, files); if ¬ asynced1 then {dirs[new_ino].size := dirs[new_ino].size + 1; if old_dent.ino ∈ dirs then dirs[new_ino].nsubdirs := dirs[new_ino].nsubdirs + 1}; new_dent := mkdentry(new_dent.name, old_dent.ino); old_dent := negdentry(old_dent.name); afs_inode_sync#(old_parent_inode; dirs, files); afs_inode_sync#(new_parent_inode; dirs, files); if asynced1 then {afs_inode_sync#(new_child_inode; dirs, files); new_child_inode := getinode(new_child_inode.ino, dirs, files)}; old_parent_inode := getinode(old_parent_inode.ino, dirs, files); new_parent_inode := getinode(new_parent_inode.ino, dirs, files); err := ESUCCESS}; asynced := ?⟫ afs-cons(dirs, files), str0 ∈ entries

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Rule argument

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