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Proof step 42 from proof inv-rmdir (previous step)

isdir ↔ isdir0, isrename ↔ false, dent = negdentry(str), err = ESUCCESS, err0 = ESUCCESS, ino = ino1, inode = getinode(ino, dirs, files), isdir0, inode.directory, dom of < ino0, afs-cons(dirs, files), ispath(q, ROOT_INO, ino1, dirs, files), of-cons(of, dirs, files), pre-iget(ino, dirs, files), px-parent(user, q, ROOT_INO, dirs, files) ⊦ ⟪if ¬ px(user, inode.meta) ∨ ¬ pw(user, inode.meta) then err := EACCESS else {afs_lookup#(ino, dirs, files, asynced; dent, err); if err = ESUCCESS then {afs_iget#(dent.ino, dirs, files, asynced; p_inode, err); if err = ESUCCESS then {isdir := p_inode.directory; if isdir then if p_inode.ino = ROOT_INO then err := EACCESS else if isrename ∧ ¬ pw(user, p_inode.meta) then err := EACCESS else if ¬ isrename ∧ p_inode.size ≠ 0 then err := ENOTEMPTY}}}; isdir1 := true; isdir0 := isdir; if isdir1 ∧ ¬ isdir0 then err := ENOTDIR; if ¬ isdir1 ∧ isdir0 then err := EISDIR; if err = ESUCCESS then afs_check_commit#(dirs, files; err; asynced); if err = ESUCCESS then {afs_rmdir#(; inode, p_inode, dent, err, dirs, files; asynced); vfs_put_inode#(p_inode, of, asynced; err, dirs, files)}⟫ (of-cons(of, dirs, files) ∧ afs-cons(dirs, files))

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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