Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:07:47 2013

Optimize a model with 70375 rows, 5625 columns and 213750 nonzeros
Presolve removed 7952 rows and 2900 columns
Presolve time: 0.60s
Presolved: 62423 rows, 2725 columns, 188924 nonzeros
Variable types: 23 continuous, 2702 integer (2702 binary)
Found heuristic solution: objective 111646.00000

Root relaxation: objective 8.772600e+04, 11351 iterations, 1.09 seconds

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

     0     0 87726.0000    0   11 111646.000 87726.0000  21.4%     -    1s
H    0     0                    87743.000000 87726.0000  0.02%     -    1s
H    0     0                    87740.000000 87726.0000  0.02%     -    1s
H    0     0                    87733.000000 87726.0000  0.01%     -    2s

Explored 0 nodes (11372 simplex iterations) in 2.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.773300000000e+04, best bound 8.772600000000e+04, gap 0.0080%