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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Hi Poalo,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>There is actually a problem with line name when a n-tuple is used in a loop. This bug does not have an impact on the solution itself, it only produces wrong line names. We discussed that issue a couple of weeks ago in the CMPL mailing list. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>I hope that I can fix it until the next release. In the meantime you could use the following expression as a workaround:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>{[w,s] in Arcs<b>, i:=w, j:=s: cnst_3_$i$_$j$:</b> b[w,s] + b[s,w] <= B*x[w,s]; }<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Mike<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></a></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Paolo Grossi [mailto:smoldino@gmail.com] <br><b>Gesendet:</b> Dienstag, 10. Mai 2016 10:26<br><b>An:</b> Mike Steglich <mike.steglich@th-wildau.de><br><b>Betreff:</b> Re: [Cmpl] Problem with "unexpected SYMBOL_VAR"<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal>Hi Mike,<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>With your help I'm glad to say: it's running!<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'>We noticed just one curious behaviour, about last constraint:<o:p></o:p></p></div><div><p class=MsoNormal># model.cmpl<o:p></o:p></p></div><div><p class=MsoNormal><br>cnst_3 {[w,s] in Arcs: b[w,s] + b[s,w] <= B*x[w,s]; }<br><br>###########<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>Given a reasonable istance to the solver, he gave us all the informations, included these:<o:p></o:p></p></div><div><p class=MsoNormal># $ cmpl model.cmpl<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>Constraints:<br>...<br>cnst_3[27003264] ... # Weird number!<br>... <br><br>###############################<o:p></o:p></p></div><div><p class=MsoNormal>So the point is: is it a signal of error or it cannot represent into the square brackets the couple depicting an "Arc"?<o:p></o:p></p></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><div><p class=MsoNormal>Best Regards,<o:p></o:p></p><div><p class=MsoNormal>Paolo Grossi.<o:p></o:p></p></div></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>2016-05-07 11:26 GMT+02:00 Paolo Grossi <<a href="mailto:smoldino@gmail.com" target="_blank">smoldino@gmail.com</a>>:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p class=MsoNormal>Yeah sounds reasonable!<br>This afternoon I will check. Usually I proved the model from a different folder.<o:p></o:p></p><div><div><p class=MsoNormal>Thanks for the advices!<o:p></o:p></p></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><div><p class=MsoNormal>Regards,<o:p></o:p></p><div><p class=MsoNormal>Paolo Grossi.<o:p></o:p></p></div></div></div></div><div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>2016-05-07 11:20 GMT+02:00 Mike Steglich <<a href="mailto:mike.steglich@th-wildau.de" target="_blank">mike.steglich@th-wildau.de</a>>:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal>Hmmm... <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Should work. I tested it also on Ubuntu (14.04 and 16.04). Sounds like a unexpected problem with the cmpl script which is installed by default in /usr/bin.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>How did you start the model. (in the same folder ... or from a different one).<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Mike<o:p></o:p></p></div><div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>Am 06.05.2016 um 22:17 schrieb Paolo Grossi <<a href="mailto:smoldino@gmail.com" target="_blank">smoldino@gmail.com</a>>:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p>Ubuntu 15.04<o:p></o:p></p><p>Best regards, <br>Paolo Grossi. <o:p></o:p></p><div><p class=MsoNormal>Il 06/mag/2016 22:13, "Mike Steglich" <<a href="mailto:mike.steglich@th-wildau.de" target="_blank">mike.steglich@th-wildau.de</a>> ha scritto:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal>Hello Paolo,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Which operating system do you use?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Mike<o:p></o:p></p></div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>Am 06.05.2016 um 17:52 schrieb Paolo Grossi <<a href="mailto:smoldino@gmail.com" target="_blank">smoldino@gmail.com</a>>:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>Hi Mike,<o:p></o:p></p><div><p class=MsoNormal>Thanks for the reply. We finally solve the issue!<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Now, we encountered another (hopefully simple) problem: once corrected the model, we type:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>$ cmpl model.cmpl<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>And this error arise:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>CMPL model generation - running<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>CMPL version: 1.10.0<o:p></o:p></p></div><div><p class=MsoNormal>Authors: Thomas Schleiff, Mike Steglich<o:p></o:p></p></div><div><p class=MsoNormal>Distributed under the GPLv3 <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>create model instance ...<o:p></o:p></p></div><div><p class=MsoNormal>error (input/output): Input file '...' not found<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Here is the files used:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>##############################################################<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal># "model.cmpl" file:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>%arg -ignoreZeros<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>%data capa1.cdat: Nodes set, Arcs set, bal[Nodes], v[Nodes], f[Arcs], B, k<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>variables:<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>x[Nodes,Nodes] : binary;<o:p></o:p></p></div><div><p class=MsoNormal>o[Nodes]: binary;<o:p></o:p></p></div><div><p class=MsoNormal>b[Arcs] : real[0..B];<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>objectives:<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>costs: sum{[w,s] in Arcs: x[w,s]*f[w,s]} + sum{w in Nodes: o[w]*v[w]} -> min;<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>constraints:<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>csnt_1 {w in Nodes : sum{s in Nodes, s != w: x[w,s]} <= 2 + o[w]*(k-2); }<o:p></o:p></p></div><div><p class=MsoNormal>csnt_2 {w in Nodes : sum{s in Arcs *> [w,*] : b[w,s]} <o:p></o:p></p></div><div><p class=MsoNormal> - sum{s in Arcs *> [*,w] : b[s,w]} = bal[w]; }<o:p></o:p></p></div><div><p class=MsoNormal>csnt_3 {[w,s] in Arcs: b[w,s] + b[s,w] <= B*x[w,s]; }<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>##############################################################<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal># "capa1.cdat" file:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>%B < 100 ><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>%k < 4 ><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>%Nodes set < 0..9 ><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>%bal[Nodes] < -476.839 0.000 139.719 67.831 95.974 0.000 78.311 95.003 0.000 0.000 ><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>%v[Nodes] < 999999999.000 30000.000 30000.000 30000.000 30000.000 30000.000 30000.000 30000.000 30000.000 30000.000 ><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>%Arcs set < [2, 5] [5, 2] [2, 9] [9, 2] [3, 1] [1, 3] [3, 5] [5, 3] [4, 1] [1, 4] [4, 8] [8, 4] [6, 5] [5, 6] [6, 8] [8, 6] [7, 9] [9, 7] [0, 7] [7, 0] [0, 8] [8, 0] [0, 9] [9, 0] ><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>%f[Arcs] < 82637.019 82637.019 17510.392 17510.392 89383.160 89383.160 61211.663 61211.663 77508.079 77508.079 144847.452 144847.452 34701.566 34701.566 89441.529 89441.529 25329.612 25329.612 60420.973 60420.973 41172.695 41172.695 42579.814 42579.814 ><o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>##############################################################<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks for taking the time to consider our email.<o:p></o:p></p></div><div><p class=MsoNormal>Paolo Grossi.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>2016-05-06 13:47 GMT+02:00 Steglich, Mike <<a href="mailto:steglich@th-wildau.de" target="_blank">steglich@th-wildau.de</a>>:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Hi Paolo,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Thank you for your interest in CMPL.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>There is a mistake in your constraint. You used a parameter in the set pattern matching ({s in Arcs *> <b>b [w,*]</b> ) where only a pattern is expected.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Please use:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>csnt_2 {w in Nodes : sum{s in Arcs *> [w,*] : b[w,s]} </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> - sum{s in Arcs *> [*,w] : b[s,w]} = bal[w]; }</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Cheers,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Mike</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a name="m_7915478363854069872_m_9788929424346125"><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> </span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Cmpl [mailto:<a href="mailto:cmpl-bounces@coin-or.org" target="_blank">cmpl-bounces@coin-or.org</a>] <b>Im Auftrag von </b>Paolo Grossi<br><b>Gesendet:</b> Freitag, 6. Mai 2016 11:44<br><b>An:</b> <a href="mailto:cmpl@list.coin-or.org" target="_blank">cmpl@list.coin-or.org</a><br><b>Betreff:</b> [Cmpl] Problem with "unexpected SYMBOL_VAR"</span><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Good morning,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>We are working on a University of Pisa project.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>First of all, we are dealing with CMPL model.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>So, thanks in advance for your help!<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Using:<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="http://cmpl.th-wildau.de/cmpl-net.php" target="_blank">http://cmpl.th-wildau.de/cmpl-net.php</a><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>To try few very basic examples, like the following:<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>########################################<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>parameters:<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Nodes := set(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>bal[Nodes] := (-397.57, 136.639, 0, 137.667, 123.265, 0, 0, 0, 0, 0);<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>v[Nodes] := (9999999999, 200000, 200000, 200000, 200000, 200000, 200000, 200000, 200000, 200000);<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Arcs := set([1, 5], [3, 7], [4, 8], [2, 5], [6, 8], [9, 8], [0, 2], [0, 5], <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> [5, 1], [7, 3], [8, 4], [5, 2], [8, 6], [8, 9], [2, 0], [5, 0]);<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>f[Arcs] := (42314, 22802.8, 58790.7, 11875.2, 93940, 58777.3, 114089, 121121, <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> 42314, 22802.8, 58790.7, 11875.2, 93940, 58777.3, 114089, 121121);<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>B := 100;<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>k := 4;<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>variables:<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>x[Nodes,Nodes] : binary;<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>o[Nodes]: binary;<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>b[Arcs] : real[0..B];<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>objectives:<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>costs: sum{[w,s] in Arcs: x[w,s]*f[w,s]} + sum{w in Nodes: o[w]*v[w]} -> min;<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>constraints:<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>csnt_1 {w in Nodes : sum{s in Nodes, s != w: x[w,s]} <= 2 + o[w]*(k-2); } <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>csnt_2 {w in Nodes : sum{s in Arcs *> b[w,*] : b[w,s]} <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> - sum{s in Arcs *> b[*,w] : b[s,w]} = bal[w]; }<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>csnt_3 {[w,s] in Arcs: b[w,s] + b[s,w] <= B*x[w,s]; }<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>########################################<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>We receive this error regarding the flow conservation constraints (named as "csnt_2"):<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>error (compiler): file clp-5574.cmpl line 26: syntax error, unexpected SYMBOL_VAR<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Best regards,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Paolo Grossi.<o:p></o:p></p></div></div></div></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></blockquote></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>_______________________________________________<br>Cmpl mailing list<br><a href="mailto:Cmpl@list.coin-or.org" target="_blank">Cmpl@list.coin-or.org</a><br><a href="http://list.coin-or.org/mailman/listinfo/cmpl" target="_blank">http://list.coin-or.org/mailman/listinfo/cmpl</a><o:p></o:p></p></div></blockquote></div></blockquote></div></div></blockquote></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>