Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:01:14 2013

Optimize a model with 4525 rows, 900 columns and 13950 nonzeros
Presolve removed 1331 rows and 490 columns
Presolve time: 0.04s
Presolved: 3194 rows, 410 columns, 9848 nonzeros
Variable types: 10 continuous, 400 integer (400 binary)
Found heuristic solution: objective 13664.000000

Root relaxation: objective 1.137369e+04, 1160 iterations, 0.03 seconds

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

     0     0 11373.6890    0    6 13664.0000 11373.6890  16.8%     -    0s
H    0     0                    11379.000000 11373.6890  0.05%     -    0s
H    0     0                    11378.000000 11373.6890  0.04%     -    0s
     0     0 11375.0135    0   12 11378.0000 11375.0135  0.03%     -    0s
     0     0 11375.0135    0    6 11378.0000 11375.0135  0.03%     -    0s
     0     0 11375.0135    0   10 11378.0000 11375.0135  0.03%     -    0s
     0     0 11375.6539    0    7 11378.0000 11375.6539  0.02%     -    0s
     0     1 11375.8015    0    7 11378.0000 11375.8015  0.02%     -    0s

Cutting planes:
  Gomory: 2
  Cover: 1
  Implied bound: 1
  MIR: 4

Explored 5 nodes (1230 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.137800000000e+04, best bound 1.137800000000e+04, gap 0.0%