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Proof step 11 from proof refine-sync-device (previous step)

ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), default-volid ∈ avols, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟨choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0⟩ (err0 = err)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 12:
ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), default-volid ∈ avols, ⌊err1⌋ ∨ err1 = ESUCCESS ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0⟩ (err1 = err)

Proof step 11 from proof refine-sync-device (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

Additional information