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Proof step 288 from proof refine-readmeta (previous step)

fs = abs-files(files), ino = ino3, ino0 = ino4, ino1 = ino4, ino2 = ino3, md = md0, md1 = md0, ofh = abs-of(of), root.dir?, dom of < ino6, 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, ⌊err1⌋ ∨ err1 = ENOENT ∧ ¬ ispath(path, ROOT_INO, dirs, files) ∨ err1 = EACCESS ∧ path ≠ ε ∧ p' ⊑ parent(path) ∧ ispath(p', ROOT_INO, dirs, files) ∧ ¬ px(user, p', ROOT_INO, dirs, files) ⊦ ⟨choose err with pre-readmeta(path, err, user, root, fs, ofh) in err0 := err; if err0 = ESUCCESS then if root[path].dir? then md := root[path].meta, ino0 := # root[path].subdirs + 2, ino := # root[path].entries else let fid = root[path].fid in md := fs[fid].meta, ino0 := count(fid, root.fids), ino := # fs[fid].content⟩ ((psynced → asynced) ∧ md1 = md ∧ ino1 = ino0 ∧ ino2 = ino ∧ err1 = err0), err1 = ESUCCESS

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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