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Proof step 4 from proof crash-neutral-add-log-leb (previous step)

# lpt = # avol, adr = adr0, m = m2, m0 = m1, ns = ns0, plog = plog0, plog1 = plog0, ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨fail_or_success#(; ; err); if err = ESUCCESS then plog := plog + m0⟩ (plog1 = plog)

Heuristic weak unfold applied rule call right

And obtained the following new goals

Proof step 5:
# lpt = # avol, adr = adr0, m = m2, m0 = m1, ns = ns0, plog = plog0, plog1 = plog0, ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0; if err = ESUCCESS then plog := plog + m0⟩ (plog1 = plog)

Rule argument

pos: right 1

Additional information

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