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Proof step 77 from proof refine-read (previous step)

of[fd] = mkfile(m3, mode0, m4), files[m3] = mkfile(m1, md, m2, content), root.dir?, dom of < ino2, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), of-cons(of, dirs, files), read-inv(m4, m4 + n0, mkinode(m3, md, false, m2, 0, m1), buf0, buf1, ino, dirs, files), read-inv(m4, m4 + n0, mkinode(m3, md, false, m2, 0, m1), buf0, buf0, 0, dirs, files), fd ∈ of, m4 ≤ m1, n0 ≤ # buf0, psynced → asynced, ⌊err1⌋ ∨ err1 = ESUCCESS ⊦ [of0 := of[fd, of[fd].pos:= (m4 + ino)]; n := ino] ( of-cons(of0, dirs, files) ∧ dom of0 < ino2 → ⟨ofh := abs-of(of); posix_read#(fd, user, root, abs-files(files); buf0, n0, err0, ofh)⟩ (ofh = abs-of(of0) ∧ (psynced → asynced) ∧ buf1 = buf0 ∧ n = n0 ∧ ESUCCESS = err0)), ino = 0, mode0 ≠ MODE_R ∧ mode0 ≠ MODE_RW

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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