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Proof step 50 from proof fsync-pages-err (previous step)

# buf = VFS_PAGE_SIZE, pcache[datakey(m, n)] = mkpentry(true, buf), files0[m] = mkfile(m0, md, m1, content), err = err0, n * VFS_PAGE_SIZE < m2, m ∈ files0, datakey(m, n) ∈ pcache, ⌊err0⌋ ∨ err0 = ESUCCESS, err1 = ESUCCESS ∨ ⌊err1⌋ ⊦ [asynced := bv; if err = ESUCCESS then {asynced := false; pcache_set_status#(m, n, asynced; err, pcache)}; n := n + 1] (err = ESUCCESS ∨ ⌊err⌋ )

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 51:
# buf = VFS_PAGE_SIZE, files0[m] = mkfile(m0, md, m1, content), pcache[datakey(m, n)] = mkpentry(true, buf), err = err0, n * VFS_PAGE_SIZE < m2, datakey(m, n) ∈ pcache, m ∈ files0, err1 = ESUCCESS ∨ ⌊err1⌋ , ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ [if err = ESUCCESS then {asynced := false; pcache_set_status#(m, n, asynced; err, pcache)}; n := n + 1] (err = ESUCCESS ∨ ⌊err⌋ )

Proof step 50 from proof fsync-pages-err (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information