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Proof step 566 from proof inv-write (previous step)

files0[m] = mkfile(m1, md, # links(m, dirs), content0), of[fd] = mkfile(m, mode, m0), dirs1 = dirs, err = err0, err2 = ESUCCESS, dom of < ino3, m1 < m0 + ino4, afs-cons(dirs, files0), afs-cons(dirs, files), of-cons(of, dirs, files0), of-cons(of, dirs, files), fd ∈ of, m ∈ files0, n ≤ # buf0, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ [ino4 := (m0 ≤ m1 ⊃ m1 - m0;0), err := ESUCCESS; of[fd].pos := m0 + ino4] (dirs1 = dirs → of-cons(of, dirs, files) ∧ dom of < ino3 ∧ afs-cons(dirs, files)), err = ESUCCESS, ino4 = 0, n = 0, mode ≠ MODE_W ∧ mode ≠ MODE_RW, m1 % VFS_PAGE_SIZE ≠ 0 ∧ m1 / VFS_PAGE_SIZE ∈ content0, err1 = ESUCCESS ∧ ¬ isdir

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 567:
of[fd] = mkfile(m, mode, m0), files0[m] = mkfile(m1, md, # links(m, dirs), content0), dirs1 = dirs, err = err0, err2 = ESUCCESS, m1 < m0 + ino4, dom of < ino3, afs-cons(dirs, files), afs-cons(dirs, files0), of-cons(of, dirs, files), of-cons(of, dirs, files0), m ∈ files0, fd ∈ of, n ≤ # buf0, (m0 ≤ m1 ⊃ m1 ≥ m0;true), ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ [of[fd].pos := m0 + (m0 ≤ m1 ⊃ m1 - m0;0)] (dirs1 = dirs → of-cons(of, dirs, files) ∧ dom of < ino3 ∧ afs-cons(dirs, files)), err = ESUCCESS, ino4 = 0, n = 0, err1 = ESUCCESS ∧ ¬ isdir, m1 % VFS_PAGE_SIZE ≠ 0 ∧ m1 / VFS_PAGE_SIZE ∈ content0, mode ≠ MODE_W ∧ mode ≠ MODE_RW

Proof step 566 from proof inv-write (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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