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Proof step 7 from proof refine-write-echdr (previous step)

pebs[m0].fill = 0, apebs[m2] = mkpeb(empty, avhdr, buf, m1, false), m = EB_PAGE_SIZE, m0 = m2, aehdr.valid?, m0 < # pebs, m2 < # apebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), m0 < # pebs → aehdr.valid? → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs) ⊦ ⟪let buf = mkbuf(m), ehdr = echdr(aehdr.ec) in {encode_echeader#(m, ehdr; buf; err); if err = ESUCCESS then mtd_asm_write#(m0, 0, 0, m, buf; pebs; err)}⟫ ⟨aubi_io_write_echdr#(m2, aehdr; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0), pebs[m0].bad

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Proof step 8:
pebs[m0].fill = 0, apebs[m2] = mkpeb(empty, avhdr, buf0, m1, false), buf = mkbuf(m), ehdr = echdr(aehdr.ec), m = EB_PAGE_SIZE, m0 = m2, aehdr.valid?, m2 < # apebs, m0 < # pebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), m0 < # pebs → aehdr.valid? → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs) ⊦ ⟪encode_echeader#(m, ehdr; buf; err); if err = ESUCCESS then mtd_asm_write#(m0, 0, 0, m, buf; pebs; err)⟫ ⟨aubi_io_write_echdr#(m2, aehdr; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0), pebs[m0].bad
Proof step 104:
pebs[m0].fill = 0, apebs[m2] = mkpeb(empty, avhdr, buf, m1, false), m = EB_PAGE_SIZE, m0 = m2, aehdr.valid?, m2 < # apebs, m0 < # pebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), m0 < # pebs → aehdr.valid? → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs) ⊦ pebs[m0].bad, aehdr.valid?

Proof step 7 from proof refine-write-echdr (previous step)

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Rule argument

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