[SCIP] GCG errors while running detect

Thu Jul 5 22:29:51 CEST 2018

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.

I will give it another try after that.

Michael

On Thu, Jul 5, 2018 at 10:14 AM Marco Lübbecke <
marco.luebbecke at rwth-aachen.de> wrote:

> Hi Michael,
>
> 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.
>
>
> http://www.optimization-online.org/DB_HTML/2018/07/6692.html
>
>
>
> 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.
>
> All the best,
> Marco
>
>
>
>> ---------- Forwarded message ----------
>> From: Michael Gough <innovative.engineer at gmail.com>
>> Date: 2018-06-28 21:56 GMT+02:00
>> Subject: [SCIP] GCG errors while running detect
>> To: scip at zib.de
>>
>>
>> Hi all,
>>
>> 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.
>>
>> Michael Gough
>>
>>
>> [nix-shell:~/scipoptsuite-5.0.1/gcg]$ bin/gcg
>> GCG version 2.1.4 [GitHash: 58a7828]
>> Copyright (c) 2010-2018 Operations Research, RWTH Aachen University
>>                         Konrad-Zuse-Zentrum fuer Informationstechnik
>> Berlin (ZIB)
>>
>> SCIP version 5.0.1 [precision: 8 byte] [memory: block] [mode: optimized]
>> [LP solver: SoPlex 3.1.1] [GitHash: b1c222a]
>> Copyright (C) 2002-2018 Konrad-Zuse-Zentrum fuer Informationstechnik
>> Berlin (ZIB)
>>
>> External codes:
>>   Readline 6.3         GNU library for command line editing (
>> gnu.org/s/readline)
>>   SoPlex 3.1.1         Linear Programming Solver developed at Zuse
>> Institute Berlin (soplex.zib.de) [GitHash: ab921a5]
>>   CppAD 20160000.1     Algorithmic Differentiation of C++ algorithms
>> developed by B. Bell (www.coin-or.org/CppAD)
>>   ZLIB 1.2.11          General purpose compression library by J. Gailly
>> and M. Adler (zlib.net)
>>   bliss 0.73           A Tool for Computing Automorphism Groups of Graphs
>> by T. Junttila and P. Kaski (http://www.tcs.hut.fi/Software/bliss/)
>>
>> user parameter file <gcg.set> not found - using default parameters
>>
>> GCG> read check/instances/cs/TEST0055.lp
>>
>> read problem <check/instances/cs/TEST0055.lp>
>> ============
>>
>> original problem has 220 variables (0 bin, 220 int, 0 impl, 0 cont) and
>> 30 constraints
>> GCG> detect
>> Starting detection
>> Detecting purely block diagonal structure: not found.
>> Detecting set partitioning master structure: found with 20 blocks.
>> Detecting aggregatable structure: found 1 decompositions.
>> Detecting staircase structure: found 3 blocks.
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.2> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.3> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.4> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.5> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.6> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.7> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.8> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.9> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.10> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.11> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.12> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.13> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.14> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.15> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.16> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.17> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.18> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.19> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> [src/graph/hypergraph_def.h:225] ERROR: Could not open file
>> <gcg-metis-wUEDOC.part.20> for reading
>> [src/graph/hyperrowgraph.h:96] ERROR: Error <-2> in function call
>> [src/dec_arrowheur.cpp:288] ERROR: Error <-2> in function call
>> 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.
>> WARNING: Decomposition type is staircase, cannot compute score
>> Chosen decomposition with 20 blocks of type bordered.
>> Detection was successful.
>> GCG>
>>
>> _______________________________________________
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>>
>>
>>
>>
>> --
>> Prof. Dr. Marco Lübbecke
>> RWTH Aachen University
>> Chair of Operations Research
>> Kackertstrasse 7
>> <https://maps.google.com/?q=Kackertstrasse+7+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+D-52072+Aachen+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+Germany&entry=gmail&source=g>
>> D-52072 Aachen
>> <https://maps.google.com/?q=Kackertstrasse+7+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+D-52072+Aachen+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+Germany&entry=gmail&source=g>
>> Germany
>> <https://maps.google.com/?q=Kackertstrasse+7+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+D-52072+Aachen+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+%C2%A0+Germany&entry=gmail&source=g>
>>
>>
>> fon / fax: +49 241 80-93362 / 92369
>> marco.luebbecke at rwth-aachen.de
>> www.or.rwth-aachen.de/luebbecke
>>
>>
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