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Proof step 142 from proof refine-fsync (previous step)

err1 ≠ ESUCCESS, root.dir?, dom of < ino0, 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) ⊦ ⟨posix_fsync#(path, isdir, user, root, abs-files(files), abs-of(of); ; psynced, err0)⟩ ((psynced → asynced) ∧ err1 = err0)

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 143:
fs = abs-files(files), ofh = abs-of(of), root.dir?, dom of < ino0, 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 err0 with pre-fsync(path, isdir, err0, user, root, fs, ofh) in err := err0; psynced := ?⟩ ((psynced → asynced) ∧ err1 = err), err1 = ESUCCESS

Rule argument

pos: right 1

Additional information

Used simplifier rules: posix_fsync#(PATH, ISDATASYNC, USER, ROOT, FS, OFH; ; PSYNCED, ERR) {choose E with pre-fsync(PATH, ISDATASYNC, E, USER, ROOT, FS, OFH) in ERR := E; PSYNCED := ? };