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Proof step 28 from proof refine-writepage (previous step)

# buf = VFS_PAGE_SIZE, boolvar2 ↔ boolvar, dirs = abs-dirs(fs3, ri), err = ESUCCESS, files = abs-files(fs0, ri), fs = fs1[adr1, nd], fs0 = fs1, fs3 = fs1, log = log0 + adr1, nd = datanode(datakey(m, pageno), buf), ro = orphans(fs1, ri), ro0 = orphans(fs0, ri), orphans(fs1, ri).inodes?, fo.inodes?, afs-cons(abs-dirs(fs1, ri), abs-files(fs1, ri)), file-node-cons(fs1, ri), log-cons(log0, fs1), new(adr1 ', fs1), orphans-cons(fs1, ri, orphans(fs1, ri)), replay-cons-strong(fs1, ri, orphans(fs1, ri), fi, fo, log0), ri-inj(ri), ri-inj(fi), ubifs-cons(fs1, ri, orphans(fs1, ri), fi, fo, log0), inodekey(m) ∈ ri, asynced → boolvar0 ⊦ ⟪if err = ESUCCESS then aubifs_core_index_store#(datakey(m, pageno), adr1, fi, orphans(fs0, ri), fo, fs, log, boolvar2; ri)⟫ ⟨afs_writepage#(mkinode(m, md, boolvar1, m0, m1, m2), pageno, buf, dirs; err0, files; asynced)⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ orphans(abs-dirs(fs, ri), abs-files(fs, ri)) = abs-keys(ro0) ∧ (asynced → boolvar2) ∧ err = err0), fs1[ri[inodekey(m)]].directory, dups(adr1 ')

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Rule argument

pos: right 1

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