Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:37:31 2013

Optimize a model with 152193 rows, 9409 columns and 461041 nonzeros
Presolve removed 8639 rows and 4753 columns
Presolve time: 1.53s
Presolved: 143554 rows, 4656 columns, 434610 nonzeros
Variable types: 42 continuous, 4614 integer (4614 binary)
Found heuristic solution: objective 227750.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25650    1.6117862e+05   0.000000e+00   2.606088e+07      5s
   46353    1.7212610e+05   0.000000e+00   0.000000e+00      8s
   46353    1.7212610e+05   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 1.721261e+05, 46353 iterations, 8.06 seconds
Total elapsed time = 10.00s

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

     0     0 172126.100    0   14 227750.000 172126.100  24.4%     -   10s
H    0     0                    172142.00000 172126.100  0.01%     -   10s

Explored 0 nodes (46412 simplex iterations) in 10.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.721420000000e+05, best bound 1.721270000000e+05, gap 0.0087%