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Proof step 6 from proof crash-neutral-commit (previous step)

# lpt2 = # avol, # lpt3 = # avol, awbuf-inv(avol, bleb), synced(avol0), synced(avol), avol0 ↓ avol ⊦ ⟨fail_or_success#(; ; err); nx := nx0; ns := ns3; m := m3; lpt := lpt2; adr := adr3; if err = ESUCCESS then {adr := adr0; m := m0; nx := []; lpt := lpt3; ns := ns0} else isbuf := true; ns0 := ?⟩ (adr3 = adr ∧ m3 = m ∧ nx0 = nx ∧ lpt2 = lpt ∧ ns3 = ns)

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 7:
# lpt3 = # avol, # lpt2 = # avol, awbuf-inv(avol, bleb), synced(avol), synced(avol0), avol0 ↓ avol ⊦ ⟨choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0; nx := nx0; ns := ns3; m := m3; lpt := lpt2; adr := adr3; if err = ESUCCESS then {adr := adr0; m := m0; nx := []; lpt := lpt3; ns := ns0} else isbuf := true; ns0 := ?⟩ (adr3 = adr ∧ m3 = m ∧ nx0 = nx ∧ lpt2 = lpt ∧ ns3 = ns)

Rule argument

pos: right 1

Additional information

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