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Proof step 81 from proof recovery (previous step)

# avol0 = # avol2, # lpt1 = # avol2, # buf = EB_PAGE_SIZE, abs(avol2, bleb0, mkwbuf(buf, m2, m3), avol0, rofs0), awbuf-inv(avol2, bleb0), ebm-vol-inv(avol0), avol0 ⊆ avol1, ⌊err1⌋ , bleb0 ≠ nobuffer → bleb0.leb < # avol2 ∧ wbuf-cons(mkwbuf(buf, m2, m3), avol0[bleb0.leb], rofs0) ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then bleb := nobuffer, rofs := false, adr0 := adr, m0 := m, log := plog, lpt0 := lpt, ns0 := ns else avol := ?, bleb := ?, rofs := ?, adr := ?, m := ?, plog := ?, lpt := ?, adr0 := ?, m0 := ?, log := ?, lpt0 := ?, ns0 := ?, ns := ?⟩ ( adr1 = adr ∧ m1 = m ∧ plog0 = plog ∧ avol4 = avol ∧ lpt2 = lpt ∧ ns1 = ns ∧ bleb1 = bleb ∧ (rofs1 ↔ rofs) ∧ adr2 = adr0 ∧ m4 = m0 ∧ ns2 = ns0 ∧ log0 = log ∧ lpt3 = lpt0 ∧ err1 = err)

User applied rule exists right

And obtained the following new goals

Proof step 82:
# buf = EB_PAGE_SIZE, # lpt1 = # avol2, # avol0 = # avol2, abs(avol2, bleb0, mkwbuf(buf, m2, m3), avol0, rofs0), awbuf-inv(avol2, bleb0), ebm-vol-inv(avol0), avol0 ⊆ avol1, ⌊err1⌋ , bleb0 ≠ nobuffer → bleb0.leb < # avol2 ∧ wbuf-cons(mkwbuf(buf, m2, m3), avol0[bleb0.leb], rofs0) ⊦ (⌊err1⌋ ∨ err1 = ESUCCESS) ∧ ⟨err := err1; if err = ESUCCESS then bleb := nobuffer, rofs := false, adr0 := adr, m0 := m, log := plog, lpt0 := lpt, ns0 := ns else avol := ?, bleb := ?, rofs := ?, adr := ?, m := ?, plog := ?, lpt := ?, adr0 := ?, m0 := ?, log := ?, lpt0 := ?, ns0 := ?, ns := ?⟩ ( adr1 = adr ∧ m1 = m ∧ plog0 = plog ∧ avol4 = avol ∧ lpt2 = lpt ∧ ns1 = ns ∧ bleb1 = bleb ∧ (rofs1 ↔ rofs) ∧ adr2 = adr0 ∧ m4 = m0 ∧ ns2 = ns0 ∧ log0 = log ∧ lpt3 = lpt0 ∧ err1 = err)

Rule argument

pos: right 1 terms: err1 abort: F discard: T computed: T

Additional information

Used terms: err1