Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:10:41 2013

Optimize a model with 79157 rows, 6084 columns and 240318 nonzeros
Presolve removed 5048 rows and 3072 columns
Presolve time: 0.74s
Presolved: 74109 rows, 3012 columns, 225023 nonzeros
Variable types: 36 continuous, 2976 integer (2976 binary)
Found heuristic solution: objective 124631.00000

Root relaxation: objective 9.266473e+04, 18073 iterations, 1.93 seconds

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

     0     0 92664.7253    0   12 124631.000 92664.7253  25.6%     -    2s
H    0     0                    92684.000000 92664.7253  0.02%     -    2s
H    0     0                    92674.000000 92664.7253  0.01%     -    2s
H    0     0                    92672.000000 92664.7253  0.01%     -    3s

Explored 0 nodes (18091 simplex iterations) in 3.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.267200000000e+04, best bound 9.266500000000e+04, gap 0.0076%