[SCIP] Error with VRP example

Waldstein Wang bhwang2004 at gmail.com
Thu Jun 15 04:58:36 CEST 2017


Dears,
I build the VRP example successfully. But when I run it, the console
reports:

9801a7b319bb:cmake-build-debug baohuaw$ ./SCIP_VRP ../data/eil7.vrp
Solving the vehicle routing problem using SCIP.
Implemented by Andreas Bley.

Number of nodes: 7
Max demand per tour: 3

SCIP version 4.0.0 [precision: 8 byte] [memory: block] [mode: optimized]
[LP solver: SoPlex 3.0.0] [GitHash: a80a247]
Copyright (C) 2002-2017 Konrad-Zuse-Zentrum fuer Informationstechnik Berlin
(ZIB)

LP Solver <SoPlex 3.0.0>: barrier convergence tolerance cannot be set --
tolerance of SCIP and LP solver may differ
LP Solver <SoPlex 3.0.0>: fastmip setting not available -- SCIP parameter
has no effect
LP Solver <SoPlex 3.0.0>: number of threads settings not available -- SCIP
parameter has no effect
transformed problem has 21 variables (0 bin, 21 int, 0 impl, 0 cont) and 33
constraints
     33 constraints of type <linear>

original problem has 57 active (8.22511%) nonzeros and 57 (8.22511%) check
nonzeros

presolving:
clique table cleanup detected 0 bound changes

presolved problem has 57 active (8.22511%) nonzeros and 57 (8.22511%) check
nonzeros

presolving (1 rounds: 1 fast, 1 medium, 1 exhaustive):
 0 deleted vars, 0 deleted constraints, 0 added constraints, 0 tightened
bounds, 0 added holes, 0 changed sides, 0 changed coefficients
 0 implications, 0 cliques
presolved problem has 21 variables (0 bin, 21 int, 0 impl, 0 cont) and 33
constraints
     33 constraints of type <linear>
Presolving Time: 0.00

Bus error: 10

It seems that something wrong occurs.
I try to debug it and an exception happens at

SCIP_CALL(SCIPsolve(scip));

Would you please help me?
Thanks.
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