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Proof step 21 from proof fsync-keep-abs (previous step)

# links(m, dirs) = files1[m].nlink, files[m] = mkfile(m1, md1, files1[m].nlink, content0), files0 = (files ⊕ pcache) ⊕ icache, (files1 ⊕ pcache0) ⊕ icache = (files ⊕ pcache) ⊕ icache, afs-cons(dirs, files1), afs-cons(dirs, files), dcache-cons(dcache, dirs, files1), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files1), icache-cons(icache, dirs, files), pcache-cons(pcache0, dirs, files1), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache0), synced(dirs, icache, pcache), m ∈ files1, m ∈ files ⊦ [inode := mkinode(m, md, false, files1[m].nlink, 0, m2); if err0 = ESUCCESS ∧ ¬ asynced1 then cache_fsync-inode#(; inode, err0, dirs, files1, icache, asynced); if err0 = ESUCCESS then afs_fsync#(inode, asynced1, dirs, files1; ; asynced, err0)] (files0 = (files1 ⊕ pcache0) ⊕ icache)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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