[SCIP] GCG errors while running detect
Matthias Walter
matthias at matthiaswalter.org
Wed Jul 11 11:01:36 CEST 2018
Hi,
the error states that it it did not find the hmetis output files. I
suggest to create a replacement for one of the detector source files and
send it to you privately - this would give us more debug information.
Best,
Matthias
On 11.07.2018 03:48, Matthew Galati wrote:
> Hi.
>
> I just got GCG 3.0 installed and did point to hMetis in the cmake.
>
> 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:
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/graph/hypergraph_def.h:225]
> ERROR: Could not open file <gcg-r-1.metis.Db48pk.part.3> for reading
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/graph/hyperrowgraph.h:98]
> ERROR: Error <-2> in function call
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/dec_hrgpartition.cpp:325]
> ERROR: Error <-2> in function call
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/graph/hypergraph_def.h:225]
> ERROR: Could not open file <gcg-r-1.metis.Db48pk.part.2> for reading
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/graph/hyperrowgraph.h:98]
> ERROR: Error <-2> in function call
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/dec_hrgpartition.cpp:325]
> ERROR: Error <-2> in function call
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/graph/hypergraph_def.h:225]
> ERROR: Could not open file <gcg-r-1.metis.Db48pk.part.6> for reading
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/graph/hyperrowgraph.h:98]
> ERROR: Error <-2> in function call
> [/LOG_DATA/SCIP/scipoptsuite-6.0.0/gcg/src/dec_hrgpartition.cpp:325]
> ERROR: Error <-2> in function call
>
> Thanks,
> Matt
>
>
>
> On Thu, Jul 5, 2018 at 4:29 PM, Michael Gough
> <innovative.engineer at gmail.com <mailto:innovative.engineer at gmail.com>>
> wrote:
>
> 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
> <mailto: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
> <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
> <mailto: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 <mailto: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 <http://gnu.org/s/readline>)
> SoPlex 3.1.1 Linear Programming Solver developed at
> Zuse Institute Berlin (soplex.zib.de
> <http://soplex.zib.de>) [GitHash: ab921a5]
> CppAD 20160000.1 Algorithmic Differentiation of C++
> algorithms developed by B. Bell (www.coin-or.org/CppAD
> <http://www.coin-or.org/CppAD>)
> ZLIB 1.2.11 General purpose compression library by J.
> Gailly and M. Adler (zlib.net <http://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/
> <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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Dr. Matthias Walter
RWTH Aachen University
Chair of Operations Research
Kackertstraße 7, B243
52072 Aachen
Phone: +49 241 80 93390
E-Mail:walter at or.rwth-aachen.de
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