Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:27:13 2013

Optimize a model with 2570 rows, 7760 columns and 20505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.22s
Presolved: 2560 rows, 7745 columns, 15490 nonzeros
Variable types: 5250 continuous, 2495 integer (2495 binary)

Root relaxation: objective 1.024210e+04, 36 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 10242.1039    0    1          - 10242.1039     -      -    0s
     0     0 10242.4418    0    2          - 10242.4418     -      -    0s
     0     0 10242.5013    0    2          - 10242.5013     -      -    0s
     0     0 10242.5013    0    2          - 10242.5013     -      -    0s
H    0     0                    10339.345969 10242.5013  0.94%     -    0s
     0     1 10261.8567    0    2 10339.3460 10261.8567  0.75%     -    0s
H  105     0                    10336.646672 10302.1711  0.33%   1.1    0s
*  160    35             158    10336.398971 10330.6619  0.06%   3.3    1s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 267 nodes (1246 simplex iterations) in 1.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.033639897138e+04, best bound 1.033548061098e+04, gap 0.0089%