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Proof step 4 from proof inv-sync (previous step)

asynced ↔ asynced0, afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), asynced1 → synced(files, icache, pcache) ⊦ ⟪fail_or_success#(; ; err); asynced := err = ESUCCESS⟫ true

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 5:
asynced ↔ asynced0, afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), asynced1 → synced(files, icache, pcache) ⊦ ⟪choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0; asynced := err = ESUCCESS⟫ true

Rule argument

pos: right 1

Additional information

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