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Proof step 8 from proof eq-io-readpage (previous step)

⟨afs_readpage#(p_inode, pageno0, dirs1, files1, asynced0; buf, err)⟩ (buf = buf0 ∧ err = err0), # buf = VFS_PAGE_SIZE, p_inode = mkinode(m, md, boolvar, m0, m1, m2), m ∈ files1 ⊦ ⟨fail#(; ; err)⟩ (buf = buf0 ∧ err = err0), ⟨if pageno0 ∈ files1[m].content then buf := files1[m].content[pageno0] else buf := zeropage; err := ESUCCESS⟩ (buf = buf0 ∧ err = err0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
⟨afs_readpage#(mkinode(m, md, boolvar, m0, m1, m2), pageno0, dirs1, files1, asynced0; buf, err)⟩ (buf = buf0 ∧ err = err0), # buf = VFS_PAGE_SIZE, m ∈ files1 ⊦ ⟨fail#(; ; err)⟩ (buf = buf0 ∧ err = err0), ⟨if pageno0 ∈ files1[m].content then buf := files1[m].content[pageno0] else buf := zeropage; err := ESUCCESS⟩ (buf = buf0 ∧ err = err0)

Proof step 8 from proof eq-io-readpage (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information