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Proof step 15 from proof initialization (previous step)

⊦ ⟪fail_or_success#(; ; err); avols := ∅; if err = ESUCCESS then avols[default-volid] := fill(mkabstractvolume(m), erased)⟫ ( (err = ESUCCESS → ⟨ebm_avol_format#(m; ; avol0, err1)⟩ (avol0 = abs(avols[default-volid]) ∧ ESUCCESS = err1)) ∧ (err ≠ ESUCCESS → (∀ avol. ⟨ebm_avol_format#(m; ; avol0, err1)⟩ (avol = avol0 ∧ err = err1))))

Heuristic unfold applied rule call right

And obtained the following new goals

Rule argument

pos: right 1

Additional information

Used simplifier rules: fail_or_success#(; ; ERR) {choose ERR0 with ⌊ERR0⌋ ∨ ERR0 = ESUCCESS in ERR := ERR0};