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Proof step 27 from proof initialization (previous step)

⊦ ⟨err := ESUCCESS; if err = ESUCCESS then avol := fill(mkavolume(m), unmapped) else avol := ?⟩ (avol = abs(fill(mkabstractvolume(m), erased)) ∧ ESUCCESS = err)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 28:
err = ESUCCESS ⊦ ⟨if err = ESUCCESS then avol := fill(mkavolume(m), unmapped) else avol := ?⟩ (avol = abs(fill(mkabstractvolume(m), erased)) ∧ ESUCCESS = err)

Proof step 27 from proof initialization (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information