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Dear Waldstein Wang,<br>
<br>
to be able to help you with your problem, we need some more
information about the error you experienced.<br>
<br>
How did you build the VRP example? Maybe try compiling both SCIP and
the example using `make OPT=dbg` and run `make OPT=dbg clean`
before.<br>
<br>
cheers<br>
Matthias<br>
<br>
<div class="moz-cite-prefix">On 15.06.2017 04:58, Waldstein Wang
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAAQObqrpXFdUKrnspE+Po-hdoUrgc9ZDKB3JQGpR2Th0DJWW-w@mail.gmail.com">
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<div>
<div>
<div>
<div>Dears,<br>
</div>
I build the VRP example successfully. But when I run it,
the console reports:<br>
<br>
9801a7b319bb:cmake-build-debug baohuaw$ ./SCIP_VRP
../data/eil7.vrp <br>
Solving the vehicle routing problem using SCIP.<br>
Implemented by Andreas Bley.<br>
<br>
Number of nodes: 7<br>
Max demand per tour: 3<br>
<br>
SCIP version 4.0.0 [precision: 8 byte] [memory: block]
[mode: optimized] [LP solver: SoPlex 3.0.0] [GitHash:
a80a247]<br>
Copyright (C) 2002-2017 Konrad-Zuse-Zentrum fuer
Informationstechnik Berlin (ZIB)<br>
<br>
LP Solver <SoPlex 3.0.0>: barrier convergence
tolerance cannot be set -- tolerance of SCIP and LP solver
may differ<br>
LP Solver <SoPlex 3.0.0>: fastmip setting not
available -- SCIP parameter has no effect<br>
LP Solver <SoPlex 3.0.0>: number of threads settings
not available -- SCIP parameter has no effect<br>
transformed problem has 21 variables (0 bin, 21 int, 0
impl, 0 cont) and 33 constraints<br>
33 constraints of type <linear><br>
<br>
original problem has 57 active (8.22511%) nonzeros and 57
(8.22511%) check nonzeros<br>
<br>
presolving:<br>
clique table cleanup detected 0 bound changes<br>
<br>
presolved problem has 57 active (8.22511%) nonzeros and 57
(8.22511%) check nonzeros<br>
<br>
presolving (1 rounds: 1 fast, 1 medium, 1 exhaustive):<br>
0 deleted vars, 0 deleted constraints, 0 added
constraints, 0 tightened bounds, 0 added holes, 0 changed
sides, 0 changed coefficients<br>
0 implications, 0 cliques<br>
presolved problem has 21 variables (0 bin, 21 int, 0 impl,
0 cont) and 33 constraints<br>
33 constraints of type <linear><br>
Presolving Time: 0.00<br>
<br>
Bus error: 10<br>
<br>
</div>
It seems that something wrong occurs.<br>
</div>
<div>I try to debug it and an exception happens at <br>
<pre style="background-color:rgb(255,255,255);color:rgb(0,0,0);font-family:"Menlo";font-size:10.5pt"><span style="color:rgb(31,84,46);font-weight:bold">SCIP_CALL</span>(SCIPsolve(scip));</pre>
</div>
Would you please help me?<br>
</div>
Thanks.<br>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
\__________________
Matthias Miltenberger
Zuse Institute Berlin
Takustr. 7, 14195 Berlin
<a class="moz-txt-link-abbreviated" href="http://www.zib.de/miltenberger">www.zib.de/miltenberger</a>
<a class="moz-txt-link-abbreviated" href="mailto:miltenberger@zib.de">miltenberger@zib.de</a>
+49 (30) 841 85-245</pre>
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