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Proof step 33 from proof initialization (previous step)

⌊err1⌋ ⊦ ⟨fail_or_success#(; ; err); if err = ESUCCESS then {avol := fill(mkavolume(# lpt0), unmapped); adr := adr0; m := m0; plog := []; lpt := lpt0; ns := ∅} else avol := ?, adr := ?, m := ?, plog := ?, lpt := ?, ns := ?⟩ (adr3 = adr ∧ LEB_SIZE = m ∧ log0 = plog ∧ avol0 = avol ∧ lpt2 = lpt ∧ ns1 = ns ∧ err1 = err)

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 34:
⌊err1⌋ ⊦ ⟨choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0; if err = ESUCCESS then {avol := fill(mkavolume(# lpt0), unmapped); adr := adr0; m := m0; plog := []; lpt := lpt0; ns := ∅} else avol := ?, adr := ?, m := ?, plog := ?, lpt := ?, ns := ?⟩ (adr3 = adr ∧ LEB_SIZE = m ∧ log0 = plog ∧ avol0 = avol ∧ lpt2 = lpt ∧ ns1 = ns ∧ err1 = err)

Rule argument

pos: right 1

Additional information

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