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Proof step 18 from proof read-loop-inv (previous step)

VFS_PAGE_SIZE = n4 + (n0 + n3) % VFS_PAGE_SIZE, files[m] = mkfile(m3, md0, m4, content), buf = mkbuf(VFS_PAGE_SIZE), err = ESUCCESS, n0 + n3 < m2, n0 + n3 < n1, read-inv(n0, n1, mkinode(m, md, boolvar, m0, m1, m2), buf2, buf1, n3, dirs, files), read-inv(n0, n1, mkinode(m, md, boolvar, m0, m1, m2), buf2, buf3, n2, dirs, files) ⊦ [afs_readpage#(mkinode(m, md, boolvar, m0, m1, m2), (n0 + n3) / VFS_PAGE_SIZE, dirs, files, asynced; buf, err)] ( err = ESUCCESS ∧ buf = getpage((n0 + n3) / VFS_PAGE_SIZE, content) ∨ ⌊err⌋ → [n := min(n1 - n0 + n3, n4, m2 - n0 + n3); if err = ESUCCESS then {buf1 := copy(buf, (n0 + n3) % VFS_PAGE_SIZE, buf1, n3, n); n3 := n3 + n}] read-inv(n0, n1, mkinode(m, md, boolvar, m0, m1, m2), buf2, buf1, n3, dirs, files)), m2 = n0 + n3, n1 = n0 + n3, n4 = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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