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Proof step 6 from proof eq-io-truncate (previous step)

⟨afs_truncate_internal#(n, pageno1; inode, buf-opt, pageno0, pageno, boolvar, err, dirs, files; asynced)⟩ (buf-opt = buf-opt0 ∧ inode = p_inode ∧ (boolvar ↔ boolvar0) ∧ err = err0 ∧ dirs = dirs0 ∧ files = files0 ∧ (asynced ↔ asynced0)), dirs = dirs1, files = files1, n = n0, pageno = 0, pageno0 = 0, pageno1 = pageno3, pre-truncate(inode, n, pageno1, buf-opt, dirs, files) ⊦ ⟨afs_truncate#(n0, pageno3; buf-opt, inode, boolvar, err, dirs1, files1, boolvar2)⟩ (buf-opt = buf-opt0 ∧ inode = p_inode ∧ (boolvar ↔ boolvar0) ∧ err = err0 ∧ dirs1 = dirs0 ∧ files1 = files0)

Heuristic split applied rule split left

And obtained the following new goals

Proof step 7:
⟨afs_truncate_internal#(n, pageno1; inode, buf-opt, pageno0, pageno, boolvar, err, dirs, files; asynced)⟩ ( inode = inode0 ∧ buf-opt = buf-opt1 ∧ pageno0 = pageno2 ∧ pageno = pageno4 ∧ (boolvar ↔ boolvar1) ∧ err = err1 ∧ dirs = dirs2 ∧ files = files2 ∧ (asynced ↔ asynced1)), boolvar1 ↔ boolvar0, asynced1 ↔ asynced0, buf-opt1 = buf-opt0, dirs = dirs1, dirs2 = dirs0, err1 = err0, files = files1, files2 = files0, inode0 = p_inode, n = n0, pageno = 0, pageno0 = 0, pageno1 = pageno3, pre-truncate(inode, n, pageno1, buf-opt, dirs, files) ⊦ ⟨afs_truncate#(n0, pageno3; buf-opt, inode, boolvar, err, dirs1, files1, boolvar2)⟩ (buf-opt = buf-opt0 ∧ inode = p_inode ∧ (boolvar ↔ boolvar0) ∧ err = err0 ∧ dirs1 = dirs0 ∧ files1 = files0)

Rule argument

pos: left 1

Proof step 6 from proof eq-io-truncate (previous step)

Heuristic split applied rule split left

And obtained the following new goals

Rule argument

Additional information