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Proof step 19 from proof delta-erase-worker-helper (previous step)

ecs(wlar).max = n0 + m1, wlar[n] = wl-entry(m1, stat0), n < # wlar, UBI_ERASE_RETRIES < n0, m ≤ UBI_ERASE_RETRIES + 1, m ≤ n0 ⊦ n0 + (Δ wlar - n0) = Δ wlar, m = 0, n0 ≤ Δ wlar

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 20:
ecs(wlar).max = n0 + m1, wlar[n] = wl-entry(m1, stat0), UBI_ERASE_RETRIES < n0, n < # wlar, Δ wlar < n0, m ≤ n0, m ≤ UBI_ERASE_RETRIES + 1 ⊦ n0 + (Δ wlar - n0) = Δ wlar, m = 0

Rule argument

Additional information

Used simplifier rules: ⊦ m ≤ n ↔ ¬ n < m; (ss)