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Proof step 9 from proof abs-nodes-valid-node (previous step)

weak, abs-failed(buf), is-encoded(nodeheader(m, boolvar0), subarray(buf, 0, NODE_HEADER_SIZE)), range=(buf, NODE_HEADER_SIZE + align↑(m, 2 * NODE_HEADER_SIZE), validtrailer, 0, NODE_HEADER_SIZE), 2 * NODE_HEADER_SIZE + align↑(m, 2 * NODE_HEADER_SIZE) ≤ # buf ⊦ buf = mkbuf(0), ∃ buf0, buf1. buf = buf0 + buf1 ∧ boolvar0 ∧ abs-padding(buf0) ∧ abs-nodes(buf1, n + # buf0, [], [], weak)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
abs-failed(buf), is-encoded(nodeheader(m, boolvar0), subarray(buf, 0, NODE_HEADER_SIZE)), range=(buf, NODE_HEADER_SIZE + align↑(m, 2 * NODE_HEADER_SIZE), validtrailer, 0, NODE_HEADER_SIZE), 2 * NODE_HEADER_SIZE + align↑(m, 2 * NODE_HEADER_SIZE) ≤ # buf ⊦ buf = mkbuf(0), ∃ buf0, buf1. buf = buf0 + buf1 ∧ boolvar0 ∧ abs-padding(buf0) ∧ abs-nodes(buf1, n + # buf0, [], [], true)

Proof step 9 from proof abs-nodes-valid-node (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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