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Proof step 15 from proof inv-format (previous step)

err = err0, err = ESUCCESS, lpt0 = lpt, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪ns := ∅⟫ (err = ESUCCESS → ebm-vol-inv(fill(mkavolume(# lpt), unmapped)) ∧ # lpt0 = # fill(mkavolume(# lpt), unmapped))

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 16:
err = ESUCCESS, err = err0, lpt0 = lpt, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ebm-vol-inv(fill(mkavolume(# lpt), unmapped)) ∧ # lpt0 = # fill(mkavolume(# lpt), unmapped)

Proof step 15 from proof inv-format (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information