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Proof step 13 from proof read-loop-term (previous step)

err = ESUCCESS, inode = mkinode(m, md, boolvar, m0, m1, m2), ¬ isdir, afs-cons(dirs, files), m ∈ files, n ≤ # buf, n0 + n ≤ m2, n0 + n ≤ n1, n1 ≤ # buf + n0, ∀ n2, n3, n4, err, inode, m, md, boolvar, m0, m1, m2, isdir, dirs, files, buf, asynced. n2 - n3 + n4 < n1 - n0 + n → err = ESUCCESS ∧ inode = mkinode(m, md, boolvar, m0, m1, m2) ∧ ¬ isdir ∧ afs-cons(dirs, files) ∧ m ∈ files ∧ n4 ≤ # buf ∧ n3 + n4 ≤ m2 ∧ n3 + n4 ≤ n2 ∧ n2 ≤ # buf + n3 → ⟪vfs_read_block#(n3, n2, inode, dirs, files, asynced; buf, n4, isdir, err); while err = ESUCCESS ∧ ¬ isdir do vfs_read_block#(n3, n2, inode, dirs, files, asynced; buf, n4, isdir, err)⟫ true ⊦ ⟪vfs_read_block#(n0, n1, inode, dirs, files, asynced; buf, n, isdir, err); while err = ESUCCESS ∧ ¬ isdir do vfs_read_block#(n0, n1, inode, dirs, files, asynced; buf, n, isdir, err)⟫ true

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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