<div dir="ltr">Also. I thought maybe it was a path issue since the code executes hMetis in a shell - not as a library. So, I copied the executable into the working directory and rebuilt cmake pointing to that copy. But, I get the same errors.</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jul 10, 2018 at 9:48 PM, Matthew Galati <span dir="ltr"><<a href="mailto:matthew.galati@gmail.com" target="_blank">matthew.galati@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi.<div><br></div><div>I just got GCG 3.0 installed and did point to hMetis in the cmake. </div><div><br></div><div>It seems like it found it OK, but on my first try (solving a standard MIP p0201), I get a similar error in log related to hMetis:</div><div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/graph/<wbr>hypergraph_def.h:225] ERROR: Could not open file <gcg-r-1.metis.Db48pk.part.3> for reading</div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/graph/<wbr>hyperrowgraph.h:98] ERROR: Error <-2> in function call</div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/dec_<wbr>hrgpartition.cpp:325] ERROR: Error <-2> in function call</div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/graph/<wbr>hypergraph_def.h:225] ERROR: Could not open file <gcg-r-1.metis.Db48pk.part.2> for reading</div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/graph/<wbr>hyperrowgraph.h:98] ERROR: Error <-2> in function call</div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/dec_<wbr>hrgpartition.cpp:325] ERROR: Error <-2> in function call</div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/graph/<wbr>hypergraph_def.h:225] ERROR: Could not open file <gcg-r-1.metis.Db48pk.part.6> for reading</div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/graph/<wbr>hyperrowgraph.h:98] ERROR: Error <-2> in function call</div><div>[/LOG_DATA/SCIP/scipoptsuite-<wbr>6.0.0/gcg/src/dec_<wbr>hrgpartition.cpp:325] ERROR: Error <-2> in function call</div></div><div><br></div><div>Thanks,</div><div>Matt</div><div><br></div><div><br></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jul 5, 2018 at 4:29 PM, Michael Gough <span dir="ltr"><<a href="mailto:innovative.engineer@gmail.com" target="_blank">innovative.engineer@gmail.com</a><wbr>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div dir="auto">I am porting everything to nixos and I have packaged hmetis and bliss and they will soon be part of the distro. Next will be scipoptsuite. </div></div><div dir="auto"><br></div><div dir="auto">I will give it another try after that. </div><span class="m_-7599261150161012577HOEnZb"><font color="#888888"><div dir="auto"><br></div><div dir="auto">Michael</div></font></span><div class="m_-7599261150161012577HOEnZb"><div class="m_-7599261150161012577h5"><div><br><div class="gmail_quote"><div dir="ltr">On Thu, Jul 5, 2018 at 10:14 AM Marco Lübbecke <<a href="mailto:marco.luebbecke@rwth-aachen.de" target="_blank">marco.luebbecke@rwth-aachen.d<wbr>e</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hi Michael,</div><div><br></div><div>did you install hmetis? In any case, I recommend to upgrade your SCIPOptSuite to 6.0 which includes GCG 3.0. If hmetis is not installed problems may persist but it will be easier to help you out from that fresh starting point. BTW, there is a release report coming with the new release, check the section on GCG to have an impression of what you can do with the "explore" menu after detection.<br></div><div><br></div><div><br></div><div><a href="http://www.optimization-online.org/DB_HTML/2018/07/6692.html" target="_blank">http://www.optimization-online<wbr>.org/DB_HTML/2018/07/6692.html</a></div><div><br></div><div><br></div><div><br></div><div>You wrote "If I can get it working, it will solve many problems." --> we would be very happy to hear about successes and failures, application cases or whatever you do with GCG. Please consider writing us about this.</div><div><br></div><div>All the best, <br></div><div>Marco<br></div><div class="gmail_extra"><br><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div><div class="gmail_quote"></div></div></div></blockquote></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Michael Gough</b> <span dir="ltr"><<a href="mailto:innovative.engineer@gmail.com" target="_blank">innovative.engineer@gmail.com</a><wbr>></span><br>Date: 2018-06-28 21:56 GMT+02:00<br>Subject: [SCIP] GCG errors while running detect<br>To: <a href="mailto:scip@zib.de" target="_blank">scip@zib.de</a><br><br><br></div></div></div></blockquote></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div class="gmail_quote"><div dir="ltr"><div>Hi all,</div><div><br></div><div>I am running GCG and I did the following which is part of the getting started documentation for GCG. The instance loads but detect gives errors. Any insights would be appreciated.</div><div><br></div><div>Michael Gough</div><div><br></div><div><br></div><div>[nix-shell:~/scipoptsuite-5.0.<wbr>1/gcg]$ bin/gcg</div><div>GCG version 2.1.4 [GitHash: 58a7828]</div><div>Copyright (c) 2010-2018 Operations Research, RWTH Aachen University</div><div> Konrad-Zuse-Zentrum fuer Informationstechnik Berlin (ZIB)</div><div><br></div><div>SCIP version 5.0.1 [precision: 8 byte] [memory: block] [mode: optimized] [LP solver: SoPlex 3.1.1] [GitHash: b1c222a]</div><div>Copyright (C) 2002-2018 Konrad-Zuse-Zentrum fuer Informationstechnik Berlin (ZIB)</div><div><br></div><div>External codes:</div><div> Readline 6.3 GNU library for command line editing (<a href="http://gnu.org/s/readline" target="_blank">gnu.org/s/readline</a>)</div><div> SoPlex 3.1.1 Linear Programming Solver developed at Zuse Institute Berlin (<a href="http://soplex.zib.de" target="_blank">soplex.zib.de</a>) [GitHash: ab921a5]</div><div> CppAD 20160000.1 Algorithmic Differentiation of C++ algorithms developed by B. Bell (<a href="http://www.coin-or.org/CppAD" target="_blank">www.coin-or.org/CppAD</a>)</div><div> ZLIB 1.2.11 General purpose compression library by J. Gailly and M. Adler (<a href="http://zlib.net" target="_blank">zlib.net</a>)</div><div> bliss 0.73 A Tool for Computing Automorphism Groups of Graphs by T. Junttila and P. Kaski (<a href="http://www.tcs.hut.fi/Software/bliss/" target="_blank">http://www.tcs.hut.fi/Softwar<wbr>e/bliss/</a>)</div><div><br></div><div>user parameter file <gcg.set> not found - using default parameters</div><div><br></div><div>GCG> read check/instances/cs/TEST0055.lp</div><div><br></div><div>read problem <check/instances/cs/TEST0055.l<wbr>p></div><div>============</div><div><br></div><div>original problem has 220 variables (0 bin, 220 int, 0 impl, 0 cont) and 30 constraints</div><div>GCG> detect</div><div>Starting detection</div><div>Detecting purely block diagonal structure: not found.</div><div>Detecting set partitioning master structure: found with 20 blocks.</div><div>Detecting aggregatable structure: found 1 decompositions.</div><div>Detecting staircase structure: found 3 blocks.</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.2> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.3> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.4> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.5> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.6> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.7> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.8> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.9> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.10> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.11> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.12> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.13> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.14> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.15> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.16> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.17> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.18> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.19> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>[src/graph/hypergraph_def.h:22<wbr>5] ERROR: Could not open file <gcg-metis-wUEDOC.part.20> for reading</div><div>[src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call</div><div>[src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call</div><div>Detecting Arrowhead structure: 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 done, 0 decompositions found.</div><div>WARNING: Decomposition type is staircase, cannot compute score</div><div>Chosen decomposition with 20 blocks of type bordered.</div><div>Detection was successful.</div><div>GCG></div></div>
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