| abs-nodes(buf0 + buf1, m, x1, lax1, boolvar1), ∃ buf2, buf1. buf0 = buf2 + buf1 ∧ ( abs-padding(buf2) ∧ abs-nodes(buf1, m + # buf2, nd ' + x, lax0, boolvar0) ∨ lax0 ≠ [] ∧ lax0.head.off = m ∧ lax0.head.size = # buf2 ∧ abs-node(buf2, nd) ∧ abs-nodes(buf1, m + # buf2, x, lax0.tail, boolvar0)), ∀ buf, buf1, m, x1, lax1, boolvar1, x0, lax0, boolvar0. # buf < # buf0 → abs-nodes(buf + buf1, m, x1, lax1, boolvar1) ∧ abs-nodes(buf, m, x0, lax0, boolvar0) → x0 ⊑ x1 ∧ lax0 ⊑ lax1 ⊦ nd ' + x ⊑ x1 ∧ lax0 ⊑ lax1 |
abs-nodes((buf2 + buf) + buf1, m, x1, lax1, boolvar1), abs-padding(buf2) ∧ abs-nodes(buf, m + # buf2, nd ' + x, lax0, boolvar0) ∨ lax0 ≠ [] ∧ lax0.head.off = m ∧ lax0.head.size = # buf2 ∧ abs-node(buf2, nd) ∧ abs-nodes(buf, lax0.head.off + # buf2, x, lax0.tail, boolvar0), ∀ buf3, buf1, m, x1, lax1, boolvar1, x0, lax0, boolvar0. # buf3 < #(buf2 + buf) → abs-nodes(buf3 + buf1, m, x1, lax1, boolvar1) ∧ abs-nodes(buf3, m, x0, lax0, boolvar0) → x0 ⊑ x1 ∧ lax0 ⊑ lax1 ⊦ nd ' + x ⊑ x1 ∧ lax0 ⊑ lax1