Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:06:50 2013

Optimize a model with 8473 rows, 1369 columns and 26011 nonzeros
Presolve removed 2117 rows and 736 columns
Presolve time: 0.06s
Presolved: 6356 rows, 633 columns, 19508 nonzeros
Variable types: 13 continuous, 620 integer (620 binary)
Found heuristic solution: objective 31662.000000

Root relaxation: objective 2.620487e+04, 2048 iterations, 0.06 seconds

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

     0     0 26204.8718    0    6 31662.0000 26204.8718  17.2%     -    0s
H    0     0                    26212.000000 26204.8718  0.03%     -    0s
     0     0 26206.0162    0   14 26212.0000 26206.0162  0.02%     -    0s
     0     0 26206.0162    0    6 26212.0000 26206.0162  0.02%     -    0s
     0     0 26206.6547    0   19 26212.0000 26206.6547  0.02%     -    0s
H    0     0                    26211.000000 26206.6547  0.02%     -    0s
     0     1 26208.1130    0   19 26211.0000 26208.1130  0.01%     -    0s
H    1     1                    26210.000000 26208.1130  0.01%   0.0    0s

Cutting planes:
  Gomory: 1
  Cover: 2
  MIR: 5
  GUB cover: 1

Explored 1 nodes (2139 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.621000000000e+04, best bound 2.621000000000e+04, gap 0.0%