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Proof step 6 from proof refine-readmeta (previous step)

err = err0, ino0 = ino1, ino2 = ino3, md = md0, root.dir?, dom of < ino, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), of-cons(of, dirs, files), psynced → asynced ⊦ [vfs_readmeta#(path, user, dirs, files, asynced; md, ino0, ino2, err)] ⟨posix_readmeta#(path, user, root, abs-files(files), abs-of(of); md0, ino1, ino3, err0)⟩ ((psynced → asynced) ∧ md = md0 ∧ ino0 = ino1 ∧ ino2 = ino3 ∧ err = err0)

User applied rule call right

And obtained the following new goals

Proof step 7:
err = err0, ino0 = ino2, ino1 = ino5, ino2 = ino3, ino5 = ino4, md = md0, root.dir?, dom of < ino, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), of-cons(of, dirs, files), psynced → asynced ⊦ [let ino = ROOT_INO in {vfs_walk#(path, user, dirs, files, asynced; ino, err); if err = ESUCCESS then choose inode with true in {afs_iget#(ino, dirs, files, asynced; inode, err); if err = ESUCCESS then if pr(user, inode.meta) then {md := inode.meta, ino0 := inode.size; if inode.directory then ino1 := inode.nsubdirs + 2 else ino1 := inode.nlink} else err := EACCESS}}] ⟨posix_readmeta#(path, user, root, abs-files(files), abs-of(of); md0, ino4, ino3, err0)⟩ ((psynced → asynced) ∧ md = md0 ∧ ino1 = ino4 ∧ ino0 = ino3 ∧ err = err0)

Rule argument

pos: right 1

Additional information

Used simplifier rules: vfs_readmeta#(PATH, USER, DIRS, FILES, ASYNCED; MD, NLINK, SIZE, ERR) {let INO = ROOT_INO in {vfs_walk#(PATH, USER, DIRS, FILES, ASYNCED; INO, ERR); if ERR = ESUCCESS then choose INODE with true in {afs_iget#(INO, DIRS, FILES, ASYNCED; INODE, ERR); if ERR = ESUCCESS then if pr(USER, INODE.meta) then {MD := INODE.meta, SIZE := INODE.size; if INODE.directory then NLINK := INODE.nsubdirs + 2 else NLINK := INODE.nlink} else ERR := EACCESS}} };