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Proof step 13 from proof inv-write (previous step)

dirs1 = dirs, err = ESUCCESS, dom of < ino, afs-cons(dirs, files), of-cons(of, dirs, files), fd ∈ of, n ≤ # buf, of[fd].mode ≠ MODE_W → fd ∈ of ⊦ [err := EBADFD] (dirs1 = dirs → of-cons(of, dirs, files) ∧ dom of < ino ∧ afs-cons(dirs, files)), of[fd].mode = MODE_RW, of[fd].mode = MODE_W

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

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