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Proof step 9 from proof le-unmap (previous step)

# avol = # avol0, m0 < # avol0, avol[m0].mapped? → # avol[m0].data ≤ LEB_SIZE ∧ is-aligned(# avol[m0].data, EB_PAGE_SIZE), m0 < # avol0 → (avol[m0].mapped? → avol0[m0] = avol[m0]) ∧ (avol[m0] = unmapped ∧ avol0[m0].mapped? → # avol0[m0].data ≤ LEB_SIZE ∧ is-aligned(# avol0[m0].data, EB_PAGE_SIZE)) ⊦ (avol[m, unmapped][m0].mapped? → avol0[m0] = avol[m0]) ∧ (avol[m, unmapped][m0] = unmapped ∧ avol0[m0].mapped? → # avol0[m0].data ≤ LEB_SIZE ∧ is-aligned(# avol0[m0].data, EB_PAGE_SIZE))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
# avol = # avol0, m0 < # avol0, avol[m0].mapped? → # avol[m0].data ≤ LEB_SIZE ∧ is-aligned(# avol[m0].data, EB_PAGE_SIZE), avol[m0].mapped? → avol0[m0] = avol[m0], avol[m0] = unmapped ∧ avol0[m0].mapped? → # avol0[m0].data ≤ LEB_SIZE ∧ is-aligned(# avol0[m0].data, EB_PAGE_SIZE) ⊦ (avol[m, unmapped][m0].mapped? → avol0[m0] = avol[m0]) ∧ (avol[m, unmapped][m0] = unmapped ∧ avol0[m0].mapped? → # avol0[m0].data ≤ LEB_SIZE ∧ is-aligned(# avol0[m0].data, EB_PAGE_SIZE))

Proof step 9 from proof le-unmap (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information