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Proof step 3 from proof crash-neutral-destroy-buf (previous step)

# lpt = # avol, awbuf-inv(avol, bleb), synced(avol), synced(avol0), avol0 ↓ avol ⊦ ⟨awbuf_destroy_buf#(adr0, m0, nx0, avol, lpt, ns0, isbuf; bleb; err)⟩ true

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 4:
# lpt = # avol, adr = adr0, m = m0, ns = ns0, nx = nx0, awbuf-inv(avol, bleb), synced(avol0), synced(avol), avol0 ↓ avol ⊦ ⟨if synced(avol) then if isbuf then err := EROFS else bleb := nobuffer, err := ESUCCESS else abort⟩ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: destroy-buf: ⊦ ;