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Proof step 7 from proof refine-readmeta (previous step)

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)

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Rule argument

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