[Imprint][Data Privacy Statement][E-Mail]



View long theorem info. View the proof. Back to main index. View the specification. View theorem base summary, View theorem base listing, the used properties by spec, the dependency list, the symbol table,

Proof step 16 from proof inv-readpage (previous step)

# buf0 = VFS_PAGE_SIZE, asynced ↔ asynced0, ¬ asynced0, buf = pe.page, err = ESUCCESS, ino = m, key = datakey(ino, pageno), pe = pcache[key], afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), key ∈ pcache, m ∈ files, asynced2 → synced(files, icache, pcache) ⊦ ⟪if ¬ true ∨ err ≠ ESUCCESS then {afs_readpage#(mkinode(m, md, boolvar, m0, m1, m2), pageno, dirs, files, asynced1; buf, err); if err = ESUCCESS ∧ buf ≠ zeropage then let asynced = false in pcache_set#(m, pageno, buf, asynced; err, pcache)}⟫ (pcache-cons(pcache, dirs, files) ∧ synced(dirs, icache, pcache) ∧ (asynced2 → synced(files, icache, pcache)))

Heuristic symbolic execution applied rule if negative right

And obtained the following new goals

Rule argument

pos: right 1

Additional information