Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:07:55 2013

Optimize a model with 70375 rows, 5625 columns and 213750 nonzeros
Presolve removed 6397 rows and 2869 columns
Presolve time: 0.62s
Presolved: 63978 rows, 2756 columns, 194305 nonzeros
Variable types: 33 continuous, 2723 integer (2723 binary)
Found heuristic solution: objective 104812.00000

Root relaxation: objective 7.600017e+04, 16576 iterations, 1.76 seconds

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

     0     0 76000.1717    0    9 104812.000 76000.1717  27.5%     -    2s
H    0     0                    76011.000000 76000.1717  0.01%     -    2s
H    0     0                    76006.000000 76000.1717  0.01%     -    2s

Explored 0 nodes (16674 simplex iterations) in 2.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.600600000000e+04, best bound 7.600100000000e+04, gap 0.0066%