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Proof step 44 from proof write-block-inv (previous step)

# getpage((n0 + n2) / VFS_PAGE_SIZE, content) = VFS_PAGE_SIZE, VFS_PAGE_SIZE = n3 + (n0 + n2) % VFS_PAGE_SIZE, files1[m] = mkfile(m3, md0, m4, content), write-inv(n0, n1, mkinode(m, md, boolvar, m0, m1, m2), buf1, n2, dirs, files0, files1), m ∈ files1, n0 + n2 ≤ n1, n2 + min(n1 - n0 + n2, n3) ≤ # buf1, (n0 + n2) % VFS_PAGE_SIZE + min(n1 - n0 + n2, n3) ≤ VFS_PAGE_SIZE ⊦ [choose err0 with ⌊err0⌋ in err := err0; asynced := ?; n := min(n1 - n0 + n2, n3); if err = ESUCCESS then n2 := n2 + n] write-inv(n0, n1, mkinode(m, md, boolvar, m0, m1, m2), buf1, n2, dirs, files0, files1), min(n1 - n0 + n2, n3) = 0

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 45:
# getpage((n0 + n2) / VFS_PAGE_SIZE, content) = VFS_PAGE_SIZE, VFS_PAGE_SIZE = n3 + (n0 + n2) % VFS_PAGE_SIZE, files1[m] = mkfile(m3, md0, m4, content), write-inv(n0, n1, mkinode(m, md, boolvar, m0, m1, m2), buf1, n2, dirs, files0, files1), m ∈ files1, (n0 + n2) % VFS_PAGE_SIZE + min(n1 - n0 + n2, n3) ≤ VFS_PAGE_SIZE, n2 + min(n1 - n0 + n2, n3) ≤ # buf1, n0 + n2 ≤ n1, ⌊err0⌋ ⊦ [err := err0; asynced := ?; n := min(n1 - n0 + n2, n3); if err = ESUCCESS then n2 := n2 + n] write-inv(n0, n1, mkinode(m, md, boolvar, m0, m1, m2), buf1, n2, dirs, files0, files1), min(n1 - n0 + n2, n3) = 0

Proof step 44 from proof write-block-inv (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

Additional information