Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:02:42 2013

Optimize a model with 745 rows, 7049 columns and 412840 nonzeros
Presolve time: 0.46s
Presolved: 745 rows, 7049 columns, 413140 nonzeros
Variable types: 0 continuous, 7049 integer (7049 binary)
Found heuristic solution: objective 4201.0000000
Found heuristic solution: objective 3838.0000000

Root relaxation: objective 3.079250e+03, 1628 iterations, 0.30 seconds

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

     0     0 3079.25000    0   30 3838.00000 3079.25000  19.8%     -    0s
H    0     0                    3346.0000000 3079.25000  7.97%     -    1s
*    0     0               0    3089.0000000 3089.00000   0.0%     -    1s

Cutting planes:
  Clique: 2
  Zero half: 11

Explored 0 nodes (1901 simplex iterations) in 1.58 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.089000000000e+03, best bound 3.089000000000e+03, gap 0.0%