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<p class="MsoNormal"><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-US">As I understand both are setup with -presolve off, but in the latter case it crashes. The reasons are
<o:p></o:p></span></p>
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<span lang="EN-US" style="mso-fareast-language:EN-US">That presolve is NOT set to off in the second case<o:p></o:p></span></li><li class="MsoListParagraph" style="color:windowtext;margin-left:0cm;mso-list:l0 level1 lfo1">
<span lang="EN-US" style="mso-fareast-language:EN-US">With presolve unintentionally on the problem at hand seems to be too large. Thus it crashes.<o:p></o:p></span></li></ol>
<p class="MsoNormal"><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-US">Hope this clarifies matters.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-US">Sincerely yours,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:windowtext;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:windowtext">Henrik Edwards<br>
</span></b><span style="font-size:7.0pt;font-family:"Verdana",sans-serif;color:windowtext">Seniorkonsult<br>
Stockholm<br>
Telefon direkt +46 (0)104845081<br>
Mobil +46 (0)705529407<br>
<a href="mailto:henrik.edwards@sweco.se"><span style="color:#0563C1">henrik.edwards@sweco.se</span></a></span><span style="font-size:7.0pt;font-family:"Verdana",sans-serif;color:windowtext"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:windowtext">Sweco Society AB</span></b><span lang="EN-GB" style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:windowtext"><br>
</span><span lang="EN-GB" style="font-size:7.0pt;font-family:"Verdana",sans-serif;color:windowtext">Gjörwellsgatan 22<br>
Box 340 44<br>
SE-100 26 Stockholm<br>
Telefon +46 (0) 8 695 60 00<br>
<a href="http://www.sweco.se"><span style="color:#0563C1">www.sweco.se</span></a>
<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:7.0pt;color:#00B050">Please consider the environment before printing this e-mail.</span><span lang="EN-GB" style="font-size:7.0pt;color:#00B050"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">Från:</span></b><span style="color:windowtext"> Clp [mailto:clp-bounces@coin-or.org]
<b>För </b>John Forrest<br>
<b>Skickat:</b> den 8 juni 2018 16:18<br>
<b>Till:</b> clp@list.coin-or.org<br>
<b>Ämne:</b> Re: [Clp] clp.exe and input arguments [WARNING: SPF validation failed]<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The first command runs without presolve and the second with presolve. What do you main by failure? You should get the same optimal value, but the values of some variables will be different.<br>
<br>
John Forrest<br>
<br>
07/06/18 13:45, Edwards Henrik wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Hi,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">In my recent tests of the binary clp.exe the following command results in a successful run:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Clp.exe LP_RAIL_LP0.mps
<b><u>-presolve off</u></b> -minimize -dualsimplex -printingOptions rows -solution LP_RAIL_LP0-A.CLP</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">But changing the order of the arguments as below does not:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Clp.exe LP_RAIL_LP0.mps -minimize -dualsimplex <b>-presolve off </b>printingOptions rows -solution LP_RAIL_LP0-A.CLP</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>Henrik Edwards<br>
</b>Seniorkonsult<br>
Stockholm<br>
Telefon direkt +46 (0)104845081<br>
Mobil +46 (0)705529407<br>
<a href="mailto:henrik.edwards@sweco.se">henrik.edwards@sweco.se</a><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-GB">Sweco Society AB</span></b><span lang="EN-GB"><br>
Gjörwellsgatan 22<br>
Box 340 44<br>
SE-100 26 Stockholm<br>
Telefon +46 (0) 8 695 60 00<br>
<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__www.sweco.se&d=DwMD-g&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=WObO3hwlf2zkcGtqxBoCUMoDYW0LHWxYxiIzAu53N10&m=yJAqR-96AX0UiTvrvSGkFbLnS0JBa_S8MjKC1hNmEm4&s=k7Mj73MZFC6ZW1t6lMIvOrFX5BfKYWhM9kaOTuDbc1A&e=">www.sweco.se</a>
</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"><br>
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><img border="0" width="79" height="24" style="width:.8229in;height:.25in" id="Bild_x0020_2" src="cid:image001.jpg@01D3FF7C.E8DE59B0" alt="cid:image003.jpg@01D327CC.07A82CB0"><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Please consider the environment before printing this e-mail.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>Clp mailing list<o:p></o:p></pre>
<pre><a href="mailto:Clp@list.coin-or.org">Clp@list.coin-or.org</a><o:p></o:p></pre>
<pre><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__list.coin-2Dor.org_mailman_listinfo_clp&d=DwMD-g&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=WObO3hwlf2zkcGtqxBoCUMoDYW0LHWxYxiIzAu53N10&m=yJAqR-96AX0UiTvrvSGkFbLnS0JBa_S8MjKC1hNmEm4&s=WWNsnNbto0LvckcltxDyX8DeZNWU7sxttTfhKB2bcAU&e=">https://list.coin-or.org/mailman/listinfo/clp</a><o:p></o:p></pre>
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<p><o:p> </o:p></p>
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