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Proof step 7 from proof inv-create-volume (previous step)

ebm-cons(avols), ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪err := err0; if err = ESUCCESS then avols[v] := fill(mkabstractvolume(n), erased)⟫ ebm-cons(avols), v ∈ avols

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 8:
ebm-cons(avols), ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if err0 = ESUCCESS then avols[v] := fill(mkabstractvolume(n), erased)⟫ ebm-cons(avols), v ∈ avols

Proof step 7 from proof inv-create-volume (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information