Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:47:18 2013

Optimize a model with 221925 rows, 12100 columns and 671550 nonzeros
Presolve removed 13646 rows and 6123 columns
Presolve time: 2.97s
Presolved: 208279 rows, 5977 columns, 630611 nonzeros
Variable types: 54 continuous, 5923 integer (5923 binary)
Found heuristic solution: objective 240412.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16269    1.4754261e+05   0.000000e+00   9.237425e+07      5s
   33117    1.5154669e+05   0.000000e+00   2.014275e+08     10s
   61211    1.6112499e+05   0.000000e+00   3.280664e+07     15s
   82953    1.7612946e+05   0.000000e+00   0.000000e+00     19s
   82953    1.7612946e+05   0.000000e+00   0.000000e+00     19s

Root relaxation: objective 1.761295e+05, 82953 iterations, 19.27 seconds

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

     0     0 176129.465    0   13 240412.000 176129.465  26.7%     -   23s
H    0     0                    176151.00000 176129.465  0.01%     -   23s
H    0     0                    176147.00000 176129.465  0.01%     -   23s

Explored 0 nodes (83138 simplex iterations) in 23.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.761470000000e+05, best bound 1.761300000000e+05, gap 0.0097%