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Proof step 6 from proof refine-sync-device (previous step)

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

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 7:
ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), default-volid ∈ avols, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪err := err0⟫ ⟨ebm_avol_sync_device#(abs(avols[default-volid]); ; err1)⟩ (err = err1)
Proof step 15:
ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), default-volid ∈ avols ⊦ ∃ err0. ⌊err0⌋ ∨ err0 = ESUCCESS

Proof step 6 from proof refine-sync-device (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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