Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:33:50 2013

Optimize a model with 1149 rows, 25022 columns and 1071514 nonzeros
Presolve removed 39 rows and 276 columns
Presolve time: 2.10s
Presolved: 1110 rows, 24746 columns, 1061395 nonzeros
Variable types: 0 continuous, 24746 integer (24746 binary)
Found heuristic solution: objective 12690.000000

Root relaxation: objective 8.280250e+03, 7102 iterations, 2.96 seconds

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

     0     0 8280.25000    0   46 12690.0000 8280.25000  34.7%     -    5s
H    0     0                    8380.0000000 8280.25000  1.19%     -    5s
H    0     0                    8362.0000000 8280.25000  0.98%     -    5s
     0     0 8282.83333    0   72 8362.00000 8282.83333  0.95%     -    7s
H    0     0                    8356.0000000 8282.83333  0.88%     -   10s
     0     0 8282.83333    0   47 8356.00000 8282.83333  0.88%     -   13s
     0     0 8286.25000    0  112 8356.00000 8286.25000  0.83%     -   14s
*    0     0               0    8287.0000000 8287.00000   0.0%     -   15s

Cutting planes:
  Gomory: 1
  Clique: 7
  Zero half: 14

Explored 0 nodes (14929 simplex iterations) in 15.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.287000000000e+03, best bound 8.287000000000e+03, gap 0.0%