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    <div class="moz-cite-prefix">Rhavar,<br>
      <br>
      Shows that SOS has not been tested much recently.  Not all
      heuristics can deal with SOS.  The one that gives the error should
      be able to but did not redo the SOS when it reduced the size of
      problem.  I will fix.<br>
      <br>
      So with -heuristics off it solves.<br>
      <br>
      John Forrest<br>
      On 01/01/18 16:10, Rhavar wrote:<br>
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    <blockquote type="cite"
cite="mid:5eTFXXXrrUhmRF4o2Mwk_hUtv5HeHgQviqLRwFdKSDrfhrtwLdgKmR98A_COClS1pBs8Xbu8bMdmMqOfBSl87jLjfDZFpl7TDAzg-SqesZ4=@protonmail.com">
      <div>Example:<br>
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      <div><a
          href="https://gist.github.com/RHavar/58d232e8d353fabd9a5cd1060cf996a6"
          moz-do-not-send="true">https://gist.github.com/RHavar/58d232e8d353fabd9a5cd1060cf996a6</a><br>
      </div>
      <div><br>
      </div>
      <div>Reproduce with  `cbc problem.lp solve`</div>
      <div><br>
      </div>
      <div>Running with:<br>
      </div>
      <div><br>
      </div>
      <div><span class="s1">Welcome to the CBC MILP Solver<span
            class="Apple-converted-space"> </span></span><br>
      </div>
      <p class="p1"><span class="s1">Version: 2.9.6<span
            class="Apple-converted-space"> </span></span><br>
      </p>
      <p class="p1"><span class="s1">Build Date: Dec 22 2017<span
            class="Apple-converted-space"> </span></span><br>
      </p>
      <p class="p2"><br>
      </p>
      <div>ends up with:<br>
      </div>
      <div><br>
      </div>
      <div><span class="s1">cbc(19780,0x7fffb8236340) malloc: *** error
          for object 0x7fb692934e40: pointer being freed was not
          allocated</span><br>
      </div>
      <p class="p1"><span class="s1">*** set a breakpoint in
          malloc_error_break to debug</span><br>
      </p>
      <p class="p1"><span class="s1">Abort trap: 6</span><br>
      </p>
      <div><br>
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      <div class="protonmail_signature_block">
        <div class="protonmail_signature_block-user">
          <div>-Ryan<br>
          </div>
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          protonmail_signature_block-empty"><br>
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      <pre wrap="">_______________________________________________
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