Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:39:44 2013

Optimize a model with 156947 rows, 9604 columns and 475398 nonzeros
Presolve removed 10292 rows and 4868 columns
Presolve time: 1.92s
Presolved: 146655 rows, 4736 columns, 443950 nonzeros
Variable types: 42 continuous, 4694 integer (4694 binary)
Found heuristic solution: objective 223888.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22080    1.5934452e+05   0.000000e+00   5.500888e+08      5s
   53006    1.6783198e+05   0.000000e+00   5.655028e+07     10s
   64543    1.7546190e+05   0.000000e+00   0.000000e+00     12s
   64543    1.7546190e+05   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 1.754619e+05, 64543 iterations, 11.83 seconds

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

     0     0 175461.895    0   14 223888.000 175461.895  21.6%     -   14s
H    0     0                    175505.00000 175461.895  0.02%     -   14s
H    0     0                    175474.00000 175461.895  0.01%     -   14s

Explored 0 nodes (64695 simplex iterations) in 14.82 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.754740000000e+05, best bound 1.754620000000e+05, gap 0.0068%