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Proof step 31 from proof inv-fsync (previous step)

⟨vfs_walk#(p, user, dirs, files, asynced; ino1, err0)⟩ (ino1 = ino0 ∧ err0 = ESUCCESS), isdir ↔ false, inode.directory ↔ isdir, err = EACCESS, err0 = ESUCCESS, err1 = ESUCCESS, ino = ino0, ino1 = ROOT_INO, inode = getinode(ino, dirs, files), mode = MODE_R, afs-cons(dirs, files), ispath(p, ROOT_INO, ino0, dirs, files), of-cons(of, dirs, files), pre-iget(ino, dirs, files), px-parent(user, p, ROOT_INO, dirs, files), (mode = MODE_R ∨ mode = MODE_RW) ∧ ¬ pr(user, inode.meta) ∨ (mode = MODE_W ∨ mode = MODE_RW) ∧ ¬ pw(user, inode.meta) ⊦ ⟪skip; if err = ESUCCESS then afs_sync#(dirs, files; ; asynced, err)⟫ true

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Proof step 32:
⟨vfs_walk#(p, user, dirs, files, asynced; ino1, err0)⟩ (ino1 = ino0 ∧ err0 = ESUCCESS), inode.directory ↔ isdir, isdir ↔ false, err = EACCESS, err0 = ESUCCESS, err1 = ESUCCESS, ino = ino0, ino1 = ROOT_INO, inode = getinode(ino, dirs, files), mode = MODE_R, afs-cons(dirs, files), ispath(p, ROOT_INO, ino0, dirs, files), of-cons(of, dirs, files), pre-iget(ino, dirs, files), px-parent(user, p, ROOT_INO, dirs, files), (mode = MODE_R ∨ mode = MODE_RW) ∧ ¬ pr(user, inode.meta) ∨ (mode = MODE_W ∨ mode = MODE_RW) ∧ ¬ pw(user, inode.meta) ⊦ ⟪if err = ESUCCESS then afs_sync#(dirs, files; ; asynced, err)⟫ true

Proof step 31 from proof inv-fsync (previous step)

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Rule argument

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