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Proof step 60 from proof inv-recover (previous step)

# apebs0 = # wlar, # wlar1 = # wlar, recs0[VTBL_VOLID × VTBL_LNUM] = recovery-entry(vtblpnum1, avhdr.sqn), apebs0[vtblpnum1] = mkpeb(aehdr, avhdr, buf1, m0, false), nx < # wlar, vtblpnum1 < # wlar, bflipset-cons(bflipset0, wlar), bflipset-cons(bflipset1, wlar1), bflipset-cons(bflipset, wlar), indices-erasing(wlar, nx), ubi-io-inv(apebs0), ubi-io-peb-inv(mkpeb(aehdr, avhdr, buf1, m0, false)), unique-sqns(apebs0), valid-ebatbl(apebs0, wlar1, vols1, vtblpnum1), valid-eraseq(q1), valid-eraseq(wlar1, q1), valid-eraseq(apebs0, q1), valid-eraseq(wlar, q), valid-eraseq-stronger(apebs0, q), valid-global-sqn(apebs0, vtblpnum5), valid-global-sqn(apebs0, sqnum), valid-recs(apebs0, wlar, recs0), valid-recs-sqns(apebs0, recs0), valid-vtbl(apebs0, vols1, wlar1, vtblpnum1), valid-wl(apebs0, wlar1), valid-wl(apebs0, wlar), VTBL_VOLID × VTBL_LNUM ∈ recs0, ¬ dups(nx), ¬ vtblpnum1 ∈ q, ¬ VTBL_VOLID ∈ vols1, ¬ vtblpnum1 ∈ q1 ⊦ ⟪decode_vtbl#(copy(apebs0[vtblpnum1].data, 0, mkbuf(LEB_SIZE), 0, LEB_SIZE); ; vtbl, err0); vols := ∅; if err0 = ESUCCESS then {ubi_init_vols_sizes#(recs0, wlar, apebs0; vtbl, vols); ubi_init_vols_mappings#(vtblpnum1, apebs0; recs0, vols, wlar, q, bflipset0); let n = 0 in ubi_fix_ecs#(n; nx, wlar)}⟫ ( ( err0 = ESUCCESS → # wlar1 = # wlar ∧ valid-wl(apebs0, wlar) ∧ valid-eraseq(q) ∧ valid-eraseq(wlar, q) ∧ valid-eraseq(apebs0, q) ∧ ¬ VTBL_VOLID ∈ vols ∧ bflipset-cons(bflipset0, wlar) ∧ valid-ebatbl(apebs0, wlar, vols, vtblpnum1) ∧ valid-vtbl(apebs0, vols, wlar, vtblpnum1)) ∧ (err0 = ESUCCESS ∨ ⌊err0⌋ ) ∧ (err0 = ESUCCESS → is-max(apebs0, vols, wlar, q, bflipset0, vtblpnum1, sqnum) ∧ q.lebrefs ⊆ q1.lebrefs ∧ vols1 ⊆ vols ∧ vols⌈vols1, q1⌉))

User applied rule insert program lemma

And obtained the following new goals

Rule argument

spec: encoding-vtbl name: decode seq: is-encoded(vtbl0, buf) ⊦ ⟪decode_vtbl#(buf; ; vtbl, err)⟫ ((err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → vtbl = vtbl0)) subst: [buf, err, vtbl, vtbl0] → [copy (apebs0[vtblpnum1].data, 0, mkbuf(LEB_SIZE), 0, LEB_SIZE), err0, vtbl, to-vtbl(vols1)] flags: <all paths>

Additional information

Used simplifier rules: ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).data = buf; (s)%⊦ ubi-io-peb-inv(mkpeb(aehdr, avhdr, buf, n, boolvar)) → # buf = LEB_SIZE; (s)% ⊦ # mkbuf(n) = n; (s)%# buf = m, # buf0 = m ⊦ copy(buf, 0, buf0, 0, m) = buf; (s)%⊦ apebs[n0] = mkpeb(aehdr, avhdr, buf, m, boolvar) ∧ valid-vtbl(apebs, vols, wlar, n0) → is-encoded(to-vtbl(vols), buf); (s)