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Proof step 25 from proof refine-remap (previous step)

# avol0 = # avol1, # lpt0 = # avol1, # buf = EB_PAGE_SIZE, buffered(m4) ≠ bleb0, m4 < # avol1, abs(avol1, bleb0, mkwbuf(buf, m3, m2), avol0, rofs), awbuf-inv(avol1, bleb0), ebm-vol-inv(avol0), synced(avol1), bleb0 ≠ nobuffer → bleb0.leb < # avol1 ∧ wbuf-cons(mkwbuf(buf, m3, m2), avol0[bleb0.leb], rofs) ⊦ ⟨err := ESUCCESS; if err = ESUCCESS then avol1[m4] := mapped(mkbuf(0)) else {skip or avol1[m4] := unmapped}⟩ (abs(avol1, bleb0, mkwbuf(buf, m3, m2), avol0[m4, mapped(mkbuf(0))], rofs) ∧ ESUCCESS = err)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 26:
# buf = EB_PAGE_SIZE, # lpt0 = # avol1, # avol0 = # avol1, err = ESUCCESS, m4 < # avol1, abs(avol1, bleb0, mkwbuf(buf, m3, m2), avol0, rofs), awbuf-inv(avol1, bleb0), ebm-vol-inv(avol0), synced(avol1), bleb0 ≠ nobuffer → bleb0.leb < # avol1 ∧ wbuf-cons(mkwbuf(buf, m3, m2), avol0[bleb0.leb], rofs) ⊦ ⟨if err = ESUCCESS then avol1[m4] := mapped(mkbuf(0)) else {skip or avol1[m4] := unmapped}⟩ (abs(avol1, bleb0, mkwbuf(buf, m3, m2), avol0[m4, mapped(mkbuf(0))], rofs) ∧ ESUCCESS = err), buffered(m4) = bleb0

Proof step 25 from proof refine-remap (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information