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Proof step 30 from proof inv-read (previous step)

of[fd] = mkfile(m, mode, m0), files[m] = mkfile(m1, md, # links(m, dirs), content), err = ESUCCESS, ino3 = 0, dom of < ino2, afs-cons(dirs, files), of-cons(of, dirs, files), fd ∈ of, m ∈ files, n ≤ # buf, m0 ≤ m1 ⊦ ∀ buf, ino3, err. ⟪if ino3 ≠ 0 then err := ESUCCESS; of[fd].pos := of[fd].pos + ino3; n := ino3⟫ (of-cons(of, dirs, files) ∧ dom of < ino2), mode ≠ MODE_R ∧ mode ≠ MODE_RW

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 31:
files[m] = mkfile(m1, md, # links(m, dirs), content), of[fd] = mkfile(m, mode, m0), dom of < ino2, afs-cons(dirs, files), of-cons(of, dirs, files), m ∈ files, fd ∈ of, m0 ≤ m1, n ≤ # buf ⊦ ⟪if ino ≠ 0 then err0 := ESUCCESS; of[fd].pos := of[fd].pos + ino; n := ino⟫ (of-cons(of, dirs, files) ∧ dom of < ino2), mode ≠ MODE_R ∧ mode ≠ MODE_RW

Proof step 30 from proof inv-read (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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