Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:24:07 2013

Optimize a model with 6017 rows, 1089 columns and 18513 nonzeros
Presolve removed 1254 rows and 570 columns
Presolve time: 0.04s
Presolved: 4763 rows, 519 columns, 14769 nonzeros
Variable types: 16 continuous, 503 integer (503 binary)
Found heuristic solution: objective 28296.000000

Root relaxation: objective 2.418385e+04, 1326 iterations, 0.04 seconds

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

     0     0 24183.8462    0    3 28296.0000 24183.8462  14.5%     -    0s
H    0     0                    24210.000000 24183.8462  0.11%     -    0s
H    0     0                    24187.000000 24183.8462  0.01%     -    0s
     0     0     cutoff    0      24187.0000 24186.0242  0.00%     -    0s

Cutting planes:
  Gomory: 1
  MIR: 3

Explored 0 nodes (1340 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.418700000000e+04, best bound 2.418700000000e+04, gap 0.0%