Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:31:08 2013

Optimize a model with 1292 rows, 28176 columns and 1375321 nonzeros
Presolve removed 22 rows and 83 columns
Presolve time: 4.72s
Presolved: 1270 rows, 28093 columns, 1371308 nonzeros
Variable types: 0 continuous, 28093 integer (28093 binary)
Found heuristic solution: objective 13522.000000

Root relaxation: objective 9.703574e+03, 6471 iterations, 3.59 seconds

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

     0     0 9703.57377    0   71 13522.0000 9703.57377  28.2%     -    8s
H    0     0                    10143.000000 9703.57377  4.33%     -   10s
     0     0 9716.53333    0  124 10143.0000 9716.53333  4.20%     -   12s
*    0     0               0    9721.0000000 9721.00000   0.0%     -   14s

Cutting planes:
  Clique: 19
  Zero half: 35

Explored 0 nodes (7458 simplex iterations) in 14.80 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.721000000000e+03, best bound 9.721000000000e+03, gap 0.0%