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Proof step 59 from proof refine-commit (previous step)

# buf = EB_PAGE_SIZE, # lpt1 = # avol1, # avol0 = # avol1, # lpt2 = # avol1, abs(avol1, bleb, mkwbuf(buf, m1, m2), avol0, rofs), awbuf-inv(avol1, bleb), ebm-vol-inv(avol0), synced(avol1), ⌊err1⌋ , bleb ≠ nobuffer → bleb.leb < # avol1 ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol0[bleb.leb], rofs) ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; plog := plog0; ns := ns4; m := m5; lpt := lpt1; adr := adr3; if err = ESUCCESS then {adr := adr0; m := m0; plog := []; lpt := lpt2; ns := ns0} else rofs := true; ns0 := ?⟩ ( abs(avol1, bleb, mkwbuf(buf, m1, m2), avol0, true) ∧ adr = adr3 ∧ m = m5 ∧ plog = plog0 ∧ lpt = lpt1 ∧ ns = ns4 ∧ rofs ∧ ns3 = ns0 ∧ err1 = err)

User applied rule exists right

And obtained the following new goals

Proof step 60:
# lpt2 = # avol1, # avol0 = # avol1, # lpt1 = # avol1, # buf = EB_PAGE_SIZE, abs(avol1, bleb, mkwbuf(buf, m1, m2), avol0, rofs), awbuf-inv(avol1, bleb), ebm-vol-inv(avol0), synced(avol1), ⌊err1⌋ , bleb ≠ nobuffer → bleb.leb < # avol1 ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol0[bleb.leb], rofs) ⊦ (⌊err1⌋ ∨ err1 = ESUCCESS) ∧ ⟨err := err1; plog := plog0; ns := ns4; m := m5; lpt := lpt1; adr := adr3; if err = ESUCCESS then {adr := adr0; m := m0; plog := []; lpt := lpt2; ns := ns0} else rofs := true; ns0 := ?⟩ ( abs(avol1, bleb, mkwbuf(buf, m1, m2), avol0, true) ∧ adr = adr3 ∧ m = m5 ∧ plog = plog0 ∧ lpt = lpt1 ∧ ns = ns4 ∧ rofs ∧ ns3 = ns0 ∧ err1 = err)

Rule argument

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

Additional information

Used terms: err1