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Proof step 1 from proof truncate-same-iso (conclusion)

afs-cons(dirs, files), pageno = inode.size / VFS_PAGE_SIZE, buf-opt.none?, files0 = files, inode = getinode(ino, dirs, files), inode.size = n, ¬ inode.directory ⊦ [afs_truncate#(n, pageno; buf-opt, inode, bv, err, dirs, files, asynced)] (files0 ~ files ∧ (⌊err⌋ ∨ err = ESUCCESS))

System applied rule normalize

And obtained the following new goals

Proof step 2:
inode.size = n, files0 = files, inode = getinode(ino, dirs, files), pageno = inode.size / VFS_PAGE_SIZE, buf-opt.none?, afs-cons(dirs, files) ⊦ [afs_truncate#(n, pageno; buf-opt, inode, bv, err, dirs, files, asynced)] (files0 ~ files ∧ (⌊err⌋ ∨ err = ESUCCESS)), inode.directory

Proof step 1 from proof truncate-same-iso (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information