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Proof step 114 from proof write-loop-0 (previous step)

err = ESUCCESS, ino = (ino2 + ino0) % VFS_PAGE_SIZE, ino0 = ino5, ino1 = ino4, ino2 = ino3, ¬ isdir, n = 0, n = min(ino1 - ino2 + ino0, VFS_PAGE_SIZE - ino), pageno = (ino2 + ino0) / VFS_PAGE_SIZE, VFS_PAGE_SIZE ≥ ino, ino1 ≥ ino2 + ino0, ino5 = 0 → files = files1 ⊦ [isdir := true] (ino0 = 0 → files = files1), VFS_PAGE_SIZE = 0

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ n + 0 = n; (s)%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic%c: ⊦ m + n = n + m; from specification nat-basic% ⊦ VFS_PAGE_SIZE ≠ 0; (s)% ⊦ n ≥ m ↔ m ≤ n; (s)%n ≠ 0 ⊦ m % n ≤ n; (s)