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Proof step 158 from proof inv-format (previous step)

m0 = EB_PAGE_SIZE, err = ESUCCESS → mtd-cons(pebs), err = ESUCCESS ∨ ⌊err⌋ ⊦ ⟪skip⟫ ((err = ESUCCESS → m0 = EB_PAGE_SIZE ∧ mtd-cons(pebs)) ∧ (err = ESUCCESS → ubi-io-initial(pebs)) ∧ (err = ESUCCESS ∨ ⌊err⌋ )), err = ESUCCESS

Heuristic symbolic execution applied rule skip right

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ ⌊err⌋ → err ≠ ESUCCESS; (s)