Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:46:35 2013

Optimize a model with 1142 rows, 27853 columns and 1059322 nonzeros
Presolve removed 48 rows and 276 columns
Presolve time: 3.34s
Presolved: 1094 rows, 27577 columns, 1048083 nonzeros
Variable types: 0 continuous, 27577 integer (27577 binary)
Found heuristic solution: objective 14273.000000

Root relaxation: objective 9.072000e+03, 6899 iterations, 2.99 seconds

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

     0     0 9072.00000    0   12 14273.0000 9072.00000  36.4%     -    6s
H    0     0                    9850.0000000 9072.00000  7.90%     -    7s
H    0     0                    9076.0000000 9072.00000  0.04%     -    8s
     0     0     cutoff    0      9076.00000 9075.00908  0.01%     -    8s

Cutting planes:
  Clique: 5
  Zero half: 3

Explored 0 nodes (7296 simplex iterations) in 8.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.076000000000e+03, best bound 9.076000000000e+03, gap 0.0%