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Proof step 71 from proof refine-readpage (previous step)

# buf0 = VFS_PAGE_SIZE, orphans(fs, ri).inodes?, fo.inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), inodekey(m) ∈ ri, ⌊err0⌋ , ¬ fs[ri[inodekey(m)]].directory, asynced → boolvar2 ⊦ ⟨if datakey(m, pageno) ∈ ri then buf := abs-content(m, fs, ri)[pageno] else buf := zeropage; err := ESUCCESS⟩ ((asynced → boolvar2) ∧ buf0 = buf ∧ err0 = err), ⟨fail#(; ; err)⟩ ((asynced → boolvar2) ∧ err0 = err)

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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