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Proof step 21 from proof readpage-get (previous step)

# buf = VFS_PAGE_SIZE, files[m] = mkfile(m3, md0, m4, content), m ∈ files ⊦ [choose err0 with ⌊err0⌋ in err := err0] (err = ESUCCESS ∧ buf = getpage(n, content) ∨ ⌊err⌋ )

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 22:
# buf = VFS_PAGE_SIZE, files[m] = mkfile(m3, md0, m4, content), m ∈ files, ⌊err0⌋ ⊦ [err := err0] (err = ESUCCESS ∧ buf = getpage(n, content) ∨ ⌊err⌋ )

Proof step 21 from proof readpage-get (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

Additional information