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Proof step 13 from proof inv-remap (previous step)

# lpt = # avol, # buf = EB_PAGE_SIZE, m0 = m4, m4 < # avol, ebm-vol-inv(avol), bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], rofs) ⊦ [fail_or_success#(; ; err); if err = ESUCCESS then avol[m0] := mapped(mkbuf(0)) else {skip or avol[m0] := unmapped}] (ebm-vol-inv(avol) ∧ # lpt = # avol → bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], rofs)), buffered(m4) = bleb

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 14:
# buf = EB_PAGE_SIZE, # lpt = # avol, buffered(m4) ≠ bleb, m4 < # avol, ebm-vol-inv(avol), bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], rofs) ⊦ [fail_or_success#(; ; err); if err = ESUCCESS then avol[m4] := mapped(mkbuf(0)) else {skip or avol[m4] := unmapped}] (ebm-vol-inv(avol) ∧ # lpt = # avol → bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], rofs))

Proof step 13 from proof inv-remap (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information