Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:42:47 2013

Optimize a model with 161799 rows, 9801 columns and 490050 nonzeros
Presolve removed 8060 rows and 4935 columns
Presolve time: 1.85s
Presolved: 153739 rows, 4866 columns, 465822 nonzeros
Variable types: 48 continuous, 4818 integer (4818 binary)
Found heuristic solution: objective 226993.00000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32209    1.6383586e+05   0.000000e+00   1.039115e+07      5s
   41275    1.7085291e+05   0.000000e+00   0.000000e+00      6s
   41275    1.7085291e+05   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 1.708529e+05, 41275 iterations, 6.45 seconds

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

     0     0 170852.907    0   15 226993.000 170852.907  24.7%     -    9s
H    0     0                    170859.00000 170852.907  0.00%     -    9s

Explored 0 nodes (41408 simplex iterations) in 9.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.708590000000e+05, best bound 1.708530000000e+05, gap 0.0035%