Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:11:35 2013

Optimize a model with 970 rows, 11871 columns and 722072 nonzeros
Presolve removed 2 rows and 3 columns
Presolve time: 1.67s
Presolved: 968 rows, 11868 columns, 721986 nonzeros
Variable types: 0 continuous, 11868 integer (11868 binary)
Found heuristic solution: objective 5560.0000000

Root relaxation: objective 5.023800e+03, 3244 iterations, 1.06 seconds

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

     0     0 5023.80000    0   59 5560.00000 5023.80000  9.64%     -    3s
H    0     0                    5235.0000000 5023.80000  4.03%     -    4s
*    0     0               0    5024.0000000 5024.00000   0.0%     -    5s

Cutting planes:
  Clique: 13
  Zero half: 28

Explored 0 nodes (5006 simplex iterations) in 5.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.024000000000e+03, best bound 5.024000000000e+03, gap 0.0%