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Proof step 52 from proof refine-add-log-leb (previous step)

# buf0 = EB_PAGE_SIZE, # lpt0 = # avol1, # avol0 = # avol1, avol0[m5] = mapped(buf), bleb ≠ buffered(m5), m5 < # avol1, abs(avol1, bleb, mkwbuf(buf0, m4, m3), avol0, false), awbuf-inv(avol1, bleb), ebm-vol-inv(avol0), synced(avol1), bleb ≠ nobuffer → bleb.leb < # avol1 ∧ wbuf-cons(mkwbuf(buf0, m4, m3), avol0[bleb.leb], false), bleb = nobuffer ∨ m3 = 0 ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; plog := plog0; if err = ESUCCESS then plog := plog + m5 ', bleb := buffered(m5)⟩ (abs(avol1, buffered(m5), mkwbuf(buf0, # avol1[m5].data, 0), avol0, false) ∧ bleb = buffered(m5) ∧ plog = plog0 + m5 ' ∧ ESUCCESS = err)

User applied rule exists right

And obtained the following new goals

Proof step 53:
# avol0 = # avol1, # lpt0 = # avol1, # buf0 = EB_PAGE_SIZE, avol0[m5] = mapped(buf), m5 < # avol1, abs(avol1, bleb, mkwbuf(buf0, m4, m3), avol0, false), awbuf-inv(avol1, bleb), ebm-vol-inv(avol0), synced(avol1), bleb ≠ nobuffer → bleb.leb < # avol1 ∧ wbuf-cons(mkwbuf(buf0, m4, m3), avol0[bleb.leb], false), bleb = nobuffer ∨ m3 = 0 ⊦ (⌊ESUCCESS⌋ ∨ ESUCCESS = ESUCCESS) ∧ ⟨err := ESUCCESS; plog := plog0; if err = ESUCCESS then plog := plog + m5 ', bleb := buffered(m5)⟩ (abs(avol1, buffered(m5), mkwbuf(buf0, # avol1[m5].data, 0), avol0, false) ∧ bleb = buffered(m5) ∧ plog = plog0 + m5 ' ∧ ESUCCESS = err), bleb = buffered(m5)

Rule argument

pos: right 1 terms: ESUCCESS abort: F discard: T computed: T

Additional information

Used terms: ESUCCESS