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Proof step 5 from proof recovery (previous step)

# avol0 = # avol2, # lpt1 = # avol2, # buf = EB_PAGE_SIZE, adr0 = adr1, adr3 = adr4, log = plog3, lpt0 = lpt1, lpt3 = lpt4, m0 = m1, m4 = m5, ns0 = ns1, ns3 = ns4, plog0 = plog1, abs(avol2, bleb0, mkwbuf(buf, m2, m3), avol0, rofs0), awbuf-inv(avol2, bleb0), ebm-vol-inv(avol0), avol0 ⊆ avol1, bleb0 ≠ nobuffer → bleb0.leb < # avol2 ∧ wbuf-cons(mkwbuf(buf, m2, m3), avol0[bleb0.leb], rofs0) ⊦ ⟪wbuf_recover#(; adr3, m4, ns3, log, lpt3, wbuf0, m6, adr0, m0, plog0, avol1, lpt0, ns0, bleb2, rofs2; err)⟫ ( ( err = ESUCCESS → (∃ avol. avol ↓ avol2 ∧ ⟨awbuf_recover#(; adr4, m5, ns4, plog3, lpt4, adr1, m1, plog1, lpt1, ns1, avol; bleb, rofs, err0)⟩ ( abs(avol, bleb2, wbuf0, avol1, rofs2) ∧ bleb = bleb2 ∧ adr1 = adr0 ∧ m1 = m0 ∧ plog1 = plog0 ∧ lpt1 = lpt0 ∧ ns1 = ns0 ∧ (rofs ↔ rofs2) ∧ adr3 = adr4 ∧ m4 = m5 ∧ ns3 = ns4 ∧ log = plog3 ∧ lpt3 = lpt4 ∧ ESUCCESS = err0))) ∧ ( err ≠ ESUCCESS → (∀ adr, m, plog, avol, lpt, ns, bleb, rofs. ⟨awbuf_recover#(; adr4, m5, ns4, plog3, lpt4, adr5, m7, plog4, lpt5, ns5, avol3; bleb3, rofs3, err0)⟩ ( adr = adr5 ∧ m = m7 ∧ plog = plog4 ∧ avol = avol3 ∧ lpt = lpt5 ∧ ns = ns5 ∧ bleb = bleb3 ∧ (rofs ↔ rofs3) ∧ adr3 = adr4 ∧ m4 = m5 ∧ ns3 = ns4 ∧ log = plog3 ∧ lpt3 = lpt4 ∧ err = err0))))

Heuristic nonrecursive calls applied rule call right

And obtained the following new goals

Proof step 6:
# buf = EB_PAGE_SIZE, # lpt1 = # avol2, # avol0 = # avol2, rofs ↔ rofs2, adr = adr2, adr0 = adr3, adr2 = adr1, adr3 = adr4, avol = avol1, bleb = bleb2, log = plog3, lpt = lpt2, lpt0 = lpt3, lpt2 = lpt1, lpt3 = lpt4, m = m9, m0 = m6, m1 = m4, m4 = m5, m9 = m8, ns = ns2, ns0 = ns3, ns2 = ns1, ns3 = ns4, plog = plog0, plog0 = plog1, wbuf = wbuf0, abs(avol2, bleb0, mkwbuf(buf, m2, m3), avol0, rofs0), awbuf-inv(avol2, bleb0), ebm-vol-inv(avol0), avol0 ⊆ avol1, bleb0 ≠ nobuffer → bleb0.leb < # avol2 ∧ wbuf-cons(mkwbuf(buf, m2, m3), avol0[bleb0.leb], rofs0) ⊦ ⟪apersistence_io_recover#(; adr0, m1, ns0, log, lpt0, adr, m, plog, lpt, ns, avol; err); if err = ESUCCESS then {apersistence_io_get_page_size#(adr, m, plog, avol, lpt, ns; ; m0); bleb := nobuffer; wbuf.content := mkbuf(m0); rofs := false}⟫ ( ( err = ESUCCESS → (∃ avol0. avol0 ↓ avol2 ∧ ⟨awbuf_recover#(; adr4, m5, ns4, plog3, lpt4, adr1, m8, plog1, lpt1, ns1, avol0; bleb0, rofs0, err0)⟩ ( abs(avol0, bleb, wbuf, avol, rofs) ∧ bleb0 = bleb ∧ adr1 = adr ∧ m8 = m ∧ plog1 = plog ∧ lpt1 = lpt ∧ ns1 = ns ∧ (rofs0 ↔ rofs) ∧ adr0 = adr4 ∧ m1 = m5 ∧ ns0 = ns4 ∧ log = plog3 ∧ lpt0 = lpt4 ∧ ESUCCESS = err0))) ∧ ( err ≠ ESUCCESS → (∀ adr, m, plog, avol, lpt, ns, bleb, rofs. ⟨awbuf_recover#(; adr4, m5, ns4, plog3, lpt4, adr5, m7, plog4, lpt5, ns5, avol3; bleb3, rofs3, err0)⟩ ( adr = adr5 ∧ m = m7 ∧ plog = plog4 ∧ avol = avol3 ∧ lpt = lpt5 ∧ ns = ns5 ∧ bleb = bleb3 ∧ (rofs ↔ rofs3) ∧ adr0 = adr4 ∧ m1 = m5 ∧ ns0 = ns4 ∧ log = plog3 ∧ lpt0 = lpt4 ∧ err = err0))))

Rule argument

pos: right 1

Additional information

Used simplifier rules: wbuf_recover# (; PROOTADR0, PMAXINO0, ORPHANS, LOG, LPT, WBUF, PAGESIZE, PROOTADR, PMAXINO, PLOG, PVOL, PLPT, PORPHANS, BUFLEB, ROFS ; ERR ) {apersistence_io_recover# (; PROOTADR0, PMAXINO0, ORPHANS, LOG, LPT, PROOTADR, PMAXINO, PLOG, PLPT, PORPHANS, PVOL ; ERR); if ERR = ESUCCESS then {apersistence_io_get_page_size# (PROOTADR, PMAXINO, PLOG, PVOL, PLPT, PORPHANS; ; PAGESIZE); BUFLEB := nobuffer; WBUF.content := mkbuf(PAGESIZE); ROFS := false} };