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Proof step 10 from proof inv-format (previous step)

err = ESUCCESS, err = err0, lpt0 = lpt, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪avol := fill(mkavolume(# lpt), unmapped); adr := adr0; m := m0; plog := []; lpt := lpt0; ns := ∅⟫ (err = ESUCCESS → ebm-vol-inv(avol) ∧ # lpt = # avol)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 11:
err = err0, err = ESUCCESS, lpt0 = lpt, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪adr := adr0; m := m0; plog := []; lpt1 := lpt0; ns := ∅⟫ (err = ESUCCESS → ebm-vol-inv(fill(mkavolume(# lpt), unmapped)) ∧ # lpt1 = # fill(mkavolume(# lpt), unmapped))

Proof step 10 from proof inv-format (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information