Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:25:30 2013

Optimize a model with 1230 rows, 24699 columns and 1278480 nonzeros
Presolve removed 15 rows and 29 columns
Presolve time: 2.57s
Presolved: 1215 rows, 24670 columns, 1277796 nonzeros
Variable types: 0 continuous, 24670 integer (24670 binary)
Found heuristic solution: objective 11208.000000

Root relaxation: objective 9.477333e+03, 7412 iterations, 4.33 seconds

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

     0     0 9477.33333    0  114 11208.0000 9477.33333  15.4%     -    8s
H    0     0                    10207.000000 9477.33333  7.15%     -    8s
*    0     0               0    9481.0000000 9481.00000   0.0%     -   11s

Cutting planes:
  Clique: 9
  Zero half: 22

Explored 0 nodes (8854 simplex iterations) in 11.43 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.481000000000e+03, best bound 9.481000000000e+03, gap 0.0%