Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:43:07 2013

Optimize a model with 9919 rows, 1521 columns and 30420 nonzeros
Presolve removed 1474 rows and 781 columns
Presolve time: 0.07s
Presolved: 8445 rows, 740 columns, 26016 nonzeros
Variable types: 19 continuous, 721 integer (721 binary)
Found heuristic solution: objective 35743.000000

Root relaxation: objective 2.515842e+04, 3826 iterations, 0.13 seconds

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

     0     0 25158.4167    0   10 35743.0000 25158.4167  29.6%     -    0s
H    0     0                    25169.000000 25158.4167  0.04%     -    0s
     0     0 25160.2340    0   23 25169.0000 25160.2340  0.03%     -    0s
     0     0 25160.2340    0    9 25169.0000 25160.2340  0.03%     -    0s
H    0     0                    25168.000000 25160.2340  0.03%     -    0s
     0     0 25160.2592    0   24 25168.0000 25160.2592  0.03%     -    0s
     0     1 25160.2728    0   24 25168.0000 25160.2728  0.03%     -    0s
H    1     1                    25166.000000 25160.2728  0.02%   0.0    0s

Cutting planes:
  Gomory: 4
  Cover: 3
  Implied bound: 1
  Clique: 2
  MIR: 13
  GUB cover: 4
  Zero half: 6

Explored 32 nodes (4465 simplex iterations) in 0.43 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.516600000000e+04, best bound 2.516400000000e+04, gap 0.0079%