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Proof step 31 from proof fsync-pages-keep-abs (previous step)

asynced ↔ asynced0, pcache[datakey(m, n)] = mkpentry(true, buf0), asynced0, err = ESUCCESS, ino = m, key = datakey(ino, pageno), pageno = n, pe = pcache[key], (files ⊕ pcache) ⊕ icache = (files1 ⊕ pcache0) ⊕ icache, n * VFS_PAGE_SIZE < m2, pcache-cons(pcache0, dirs, files1), datakey(m, n) ∈ pcache, key ∈ pcache ⊦ [buf := pe.page; asynced := true; err := ESUCCESS; if err = ESUCCESS then afs_writepage#(mkinode(m, md, boolvar, m0, m1, m2), n, buf, dirs; err, files; asynced1); if err = ESUCCESS then afs_check_commit#(dirs, files; err; asynced1); if err = ESUCCESS then {asynced := false; pcache_set_status#(m, n, asynced; err, pcache)}; n := n + 1] ((files1 ⊕ pcache0) ⊕ icache = (files ⊕ pcache) ⊕ icache)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 32:
asynced ↔ asynced0, pcache[datakey(m, n)] = mkpentry(true, buf0), asynced0, err = ESUCCESS, ino = m, key = datakey(ino, pageno), pageno = n, pe = pcache[key], (files ⊕ pcache) ⊕ icache = (files1 ⊕ pcache0) ⊕ icache, n * VFS_PAGE_SIZE < m2, pcache-cons(pcache0, dirs, files1), key ∈ pcache, datakey(m, n) ∈ pcache ⊦ [asynced := true; err := ESUCCESS; if err = ESUCCESS then afs_writepage#(mkinode(m, md, boolvar, m0, m1, m2), n, pe.page, dirs; err, files; asynced1); if err = ESUCCESS then afs_check_commit#(dirs, files; err; asynced1); if err = ESUCCESS then {asynced := false; pcache_set_status#(m, n, asynced; err, pcache)}; n := n + 1] ((files1 ⊕ pcache0) ⊕ icache = (files ⊕ pcache) ⊕ icache)

Proof step 31 from proof fsync-pages-keep-abs (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information