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Proof step 5 from proof inv-fsyncdir (previous step)

asynced ↔ asynced1, afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), asynced2 → synced(files, icache, pcache) ⊦ ⟪choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0⟫ true

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 6:
asynced ↔ asynced1, afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), asynced2 → synced(files, icache, pcache), ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪err := err0⟫ true
Proof step 7:
asynced ↔ asynced1, afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), asynced2 → synced(files, icache, pcache) ⊦ ∃ err0. ⌊err0⌋ ∨ err0 = ESUCCESS

Proof step 5 from proof inv-fsyncdir (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

Additional information