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Proof step 4 from proof inv-format (previous step)

adr = adr1, adr0 = adr2, lpt = lpt1, lpt0 = lpt2, m = m4, m0 = m5, m2 = LEB_SIZE, m3 = # lpt2 ⊦ ⟪apersistence_io_format#(m3, m2, lpt0, adr0, m1; ; adr, m, plog, avol, lpt, ns, 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 → # wbuf.content = EB_PAGE_SIZE ∧ (bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(wbuf, avol[bleb.leb], rofs)) ∧ m0 = EB_PAGE_SIZE ∧ ebm-vol-inv(avol) ∧ # lpt = # avol)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
⊦ ⟪apersistence_io_format#(# lpt2, LEB_SIZE, lpt2, adr0, m1; ; adr, m, plog, avol, lpt, ns, 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 → # wbuf.content = EB_PAGE_SIZE ∧ (bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(wbuf, avol[bleb.leb], rofs)) ∧ m0 = EB_PAGE_SIZE ∧ ebm-vol-inv(avol) ∧ # lpt = # avol)

Proof step 4 from proof inv-format (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information