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Proof step 2 from proof recovery (previous step)

apebs = apebs0, vtblpnum1 = LEB_SIZE, vtblpnum2 = EB_PAGE_SIZE, abs(avols0, apebs0, vols, q), ebm-cons(avols0), ubi-cons(apebs0, vols, wlar, q, bflipset, vtblpnum, vtblpnum0), ubi-io-inv(apebs0) ⊦ ⟪ubi_recover#(apebs; vols0, wlar0, q0, bflipset0, vtblpnum3, sqnum, vtblpnum4; vtblpnum5, err)⟫ ( ( err = ESUCCESS → (∃ avols. (avols0 ⊆ avols ∧ (ebm-cons(avols0) → ebm-cons(avols))) ∧ ⟨ebm_recover#(; avols; err0)⟩ (abs(avols, apebs, vols0, q0) ∧ err = err0))) ∧ (err ≠ ESUCCESS → (∀ avols. ⟨ebm_recover#(; avols1; err0)⟩ (avols = avols1 ∧ err = err0))))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
# apebs0 = # wlar, abs(avols0, apebs0, vols, q), bflipset-cons(bflipset, wlar), ebm-cons(avols0), ubi-io-inv(apebs0), unique-sqns(apebs0), valid-ebatbl(apebs0, wlar, vols, vtblpnum), valid-eraseq(q), valid-eraseq(wlar, q), valid-eraseq(apebs0, q), valid-global-sqn(apebs0, vtblpnum0), valid-vtbl(apebs0, vols, wlar, vtblpnum), valid-wl(apebs0, wlar), ¬ VTBL_VOLID ∈ vols ⊦ ⟪ubi_recover#(apebs0; vols0, wlar0, q0, bflipset0, vtblpnum3, sqnum, vtblpnum4; vtblpnum5, err)⟫ ( ( err = ESUCCESS → (∃ avols. avols0 ⊆ avols ∧ ebm-cons(avols) ∧ ⟨ebm_recover#(; avols; err0)⟩ (abs(avols, apebs0, vols0, q0) ∧ ESUCCESS = err0))) ∧ (err ≠ ESUCCESS → (∀ avols. ⟨ebm_recover#(; avols1; err0)⟩ (avols = avols1 ∧ err = err0))))

Rule argument

Additional information

Used simplifier rules: ⊦ ubi-cons(apebs, vols, wlar, q, bflipset, n0, n1) ↔ # apebs = # wlar ∧ unique-sqns(apebs) ∧ valid-global-sqn(apebs, n1) ∧ valid-wl(apebs, wlar) ∧ valid-eraseq(q) ∧ valid-eraseq(wlar, q) ∧ valid-eraseq(apebs, q) ∧ ¬ VTBL_VOLID ∈ vols ∧ bflipset-cons(bflipset, wlar) ∧ valid-ebatbl(apebs, wlar, vols, n0) ∧ valid-vtbl(apebs, vols, wlar, n0); (s)