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Proof step 2 from proof inv-recover (previous step)

apebs = apebs0, vtblpnum1 = LEB_SIZE, vtblpnum2 = EB_PAGE_SIZE, 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 → ubi-cons(apebs, vols0, wlar0, q0, bflipset0, vtblpnum3, sqnum) ∧ vtblpnum4 = LEB_SIZE ∧ vtblpnum5 = EB_PAGE_SIZE ∧ ubi-io-inv(apebs)) ∧ (err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → is-max(apebs, vols0, wlar0, q0, bflipset0, vtblpnum3, sqnum) ∧ q0.lebrefs ⊆ q.lebrefs ∧ vols ⊆ vols0 ∧ vols0⌈vols, q⌉))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
# apebs0 = # wlar, bflipset-cons(bflipset, wlar), 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, ¬ vtblpnum ∈ q ⊦ ⟪ubi_recover#(apebs0; vols0, wlar0, q0, bflipset0, vtblpnum3, sqnum, vtblpnum4; vtblpnum5, err)⟫ ( ( err = ESUCCESS → # wlar = # wlar0 ∧ valid-global-sqn(apebs0, sqnum) ∧ valid-wl(apebs0, wlar0) ∧ valid-eraseq(q0) ∧ valid-eraseq(wlar0, q0) ∧ valid-eraseq(apebs0, q0) ∧ ¬ VTBL_VOLID ∈ vols0 ∧ bflipset-cons(bflipset0, wlar0) ∧ valid-ebatbl(apebs0, wlar0, vols0, vtblpnum3) ∧ valid-vtbl(apebs0, vols0, wlar0, vtblpnum3) ∧ vtblpnum4 = LEB_SIZE ∧ vtblpnum5 = EB_PAGE_SIZE) ∧ (err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → is-max(apebs0, vols0, wlar0, q0, bflipset0, vtblpnum3, sqnum) ∧ q0.lebrefs ⊆ q.lebrefs ∧ vols ⊆ vols0 ∧ vols0⌈vols, q⌉))

Rule argument

Additional information

Used simplifier rules: lf-vtbl-info: ⊦ valid-vtbl(apebs, vols, wlar, n) ∧ valid-eraseq(wlar, q) → ¬ n ∈ q;%⊦ 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)