Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:52 2013

Optimize a model with 625 rows, 5202 columns and 282477 nonzeros
Presolve time: 0.31s
Presolved: 625 rows, 5202 columns, 283121 nonzeros
Variable types: 0 continuous, 5202 integer (5202 binary)
Found heuristic solution: objective 3800.0000000
Found heuristic solution: objective 3025.0000000

Root relaxation: objective 2.555000e+03, 1237 iterations, 0.17 seconds

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

     0     0 2555.00000    0   20 3025.00000 2555.00000  15.5%     -    0s
H    0     0                    2698.0000000 2555.00000  5.30%     -    0s
*    0     0               0    2588.0000000 2588.00000   0.0%     -    1s

Cutting planes:
  Gomory: 1
  Clique: 3
  Zero half: 3

Explored 0 nodes (1644 simplex iterations) in 1.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.588000000000e+03, best bound 2.588000000000e+03, gap 0.0%