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Proof step 3 from proof read-loop-inv (previous step)

ino0 = n1, ino1 = n0, read-inv(n0, n1, inode, buf0, buf1, n, dirs, files) ⊦ [while err = ESUCCESS ∧ ¬ isdir do vfs_read_block#(ino1, ino0, inode, dirs, files, asynced; buf1, n, isdir, err)] read-inv(n0, n1, inode, buf0, buf1, n, dirs, files)

User applied rule invariant right

And obtained the following new goals

Proof step 4:
err = ESUCCESS, ino0 = n1, ino1 = n0, ¬ isdir, read-inv(n0, n1, inode, buf0, buf, n2, dirs, files), read-inv(n0, n1, inode, buf0, buf1, n, dirs, files) ⊦ [vfs_read_block#(ino1, ino0, inode, dirs, files, asynced; buf1, n, isdir, err)] read-inv(n0, n1, inode, buf0, buf1, n, dirs, files)

Rule argument

fma: read-inv(n0, n1, inode, buf0, buf1, n, dirs, files) pos: right 1

Additional information

Used formulas: read-inv(n0, n1, inode, buf0, buf1, n, dirs, files)