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Proof step 7 from proof inv-add-log-leb (previous step)

# lpt = # avol, avol[m3] = mapped(buf), m3 < # avol, awbuf-inv(avol, bleb), synced(avol), ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪err := err0; if err = ESUCCESS then nx := nx + m3 ', bleb := buffered(m3)⟫ awbuf-inv(avol, bleb)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 8:
# lpt = # avol, avol[m3] = mapped(buf), m3 < # avol, awbuf-inv(avol, bleb), synced(avol), ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if err0 = ESUCCESS then nx := nx + m3 ', bleb := buffered(m3)⟫ awbuf-inv(avol, bleb)

Proof step 7 from proof inv-add-log-leb (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information