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Proof step 7 from proof crash-neutral-read (previous step)

pebs[m3] = mkpeb(buf1, m1, false), buf0 = buf, m = m2, m0 = m3, m3 < # pebs, mtd-cons(pebs), n0 + n ≤ # buf, m2 + n ≤ PEB_SIZE ⊦ ⟨fail_or_success#(; ; err); bitflips := ?; if err = ESUCCESS then buf0 := copy(pebs[m0].data, m, buf0, n0, n) else choose buf with # buf = # buf0 ∧ range=(buf, 0, buf0, 0, n0) ∧ range=(buf, n0 + n, buf0, n0 + n, # buf0 - n0 + n) in buf0 := buf⟩ true

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
pebs[m3] = mkpeb(buf1, m1, false), m3 < # pebs, mtd-cons(pebs), m2 + n ≤ PEB_SIZE, n0 + n ≤ # buf ⊦ ⟨fail_or_success#(; ; err); bitflips := ?; if err = ESUCCESS then buf := copy(pebs[m3].data, m2, buf, n0, n) else choose buf1 with # buf1 = # buf ∧ range=(buf1, 0, buf, 0, n0) ∧ range=(buf1, n0 + n, buf, n0 + n, # buf - n0 + n) in buf := buf1⟩ true

Proof step 7 from proof crash-neutral-read (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information