Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:13:55 2013

Optimize a model with 91963 rows, 6724 columns and 279046 nonzeros
Presolve removed 6968 rows and 3420 columns
Presolve time: 0.85s
Presolved: 84995 rows, 3304 columns, 257276 nonzeros
Variable types: 29 continuous, 3275 integer (3275 binary)
Found heuristic solution: objective 168829.00000

Root relaxation: objective 1.397613e+05, 14751 iterations, 1.77 seconds

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

     0     0 139761.257    0    9 168829.000 139761.257  17.2%     -    2s
H    0     0                    139791.00000 139761.257  0.02%     -    2s
H    0     0                    139783.00000 139761.257  0.02%     -    2s
H    0     0                    139774.00000 139761.257  0.01%     -    2s

Explored 0 nodes (14770 simplex iterations) in 3.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.397740000000e+05, best bound 1.397620000000e+05, gap 0.0086%