Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:11:04 2013

Optimize a model with 82239 rows, 6241 columns and 249640 nonzeros
Presolve removed 7174 rows and 3187 columns
Presolve time: 0.75s
Presolved: 75065 rows, 3054 columns, 227245 nonzeros
Variable types: 27 continuous, 3027 integer (3027 binary)
Found heuristic solution: objective 147997.00000

Root relaxation: objective 1.178571e+05, 15804 iterations, 1.66 seconds

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

     0     0 117857.143    0   11 147997.000 117857.143  20.4%     -    2s
H    0     0                    117893.00000 117857.143  0.03%     -    2s
H    0     0                    117870.00000 117857.143  0.01%     -    2s
H    0     0                    117867.00000 117857.143  0.01%     -    2s

Explored 0 nodes (15957 simplex iterations) in 2.84 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.178670000000e+05, best bound 1.178580000000e+05, gap 0.0076%