"Cannot solve VRP Problem using VRP project in Blis"
|Reported by:||hendrawan@…||Owned by:||yanxu|
I compiled VRP example inside Blis Package, and run it using provided example data, but the result is "ALPS did not find a solution". I tried some of other VRP instances but it still resulted the same. What's wrong?
Here's the complete Output:
Alps0300I ALPS version 0.95.0 (Serial)
Reading in VRP parameters ...
Alps0030I Data file: ..\..\..\data\sample.vrp
PROBLEM NAME: eil51
Bcps0001I BiCePS version 0.8.0
Blis0001I BLIS version 0.8.0
Blis0043I Objective coefficients are multiples of 1
Alps0250I Search solutions ...
INSTALL: numDelCons = 0
Blis0030I Processing the root node (51 rows, 1275 columns)
Clp0006I 0 Obj 0 Primal inf 102 (51)
Clp0001I Primal infeasible - objective value 0
BOUND: is primal inf
Blis0035I Processing the first root relaxation took CPU time 0.0630 seconds
Blis0055I Node 0, called VRP cut generator 0 times, generated 0 cuts, CPU time 0
.0000 seconds, current strategy 2
0 Fathomed 0 0
Alps0202I Problem is infeasible. 1 nodes processed, 0 nodes left
Alps0264I No solution found
Alps0268I Number of nodes processed: 1
Alps0270I Number of nodes left: 0
Alps0272I Tree depth: 0
Alps0274I Search CPU time: 0.09 seconds
Alps0278I Search wall-clock time: 0.09 seconds
ALPS did not find a solution.