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Proof step 8 from proof crash-neutral-change (previous step)

m < # avol, ebm-vol-inv(avol), is-aligned(n, EB_PAGE_SIZE), n ≤ # buf, n ≤ LEB_SIZE, avol ⊆ avol0 ⊦ (⌊EIO⌋ ∨ EIO = ESUCCESS) ∧ ⟨err := EIO; if err = ESUCCESS then avol[m] := mapped(subarray(buf, 0, n))⟩ (avol ⊆ avol0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
m < # avol, ebm-vol-inv(avol), is-aligned(n, EB_PAGE_SIZE), n ≤ LEB_SIZE, n ≤ # buf, avol ⊆ avol0 ⊦ ⟨err := EIO; if err = ESUCCESS then avol[m] := mapped(subarray(buf, 0, n))⟩ (avol ⊆ avol0)

Rule argument

Additional information

Used simplifier rules: ⊦ ⌊EIO⌋ ; (s)