Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:04:27 2013

Optimize a model with 59711 rows, 5041 columns and 181476 nonzeros
Presolve removed 5191 rows and 2564 columns
Presolve time: 0.49s
Presolved: 54520 rows, 2477 columns, 165732 nonzeros
Variable types: 32 continuous, 2445 integer (2445 binary)
Found heuristic solution: objective 107303.00000

Root relaxation: objective 7.592540e+04, 15814 iterations, 1.52 seconds

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

     0     0 75925.4023    0   11 107303.000 75925.4023  29.2%     -    2s
H    0     0                    75930.000000 75925.4023  0.01%     -    2s

Explored 0 nodes (15824 simplex iterations) in 2.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.593000000000e+04, best bound 7.592600000000e+04, gap 0.0053%