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Proof step 24 from proof initialization (previous step)

⊦ ⟨choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0; if err = ESUCCESS then avol := fill(mkavolume(m), unmapped) else avol := ?⟩ (avol = abs(fill(mkabstractvolume(m), erased)) ∧ ESUCCESS = err)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 25:
⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then avol := fill(mkavolume(m), unmapped) else avol := ?⟩ (avol = abs(fill(mkabstractvolume(m), erased)) ∧ ESUCCESS = err)

Proof step 24 from proof initialization (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

Additional information