Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:17:16 2013

Optimize a model with 98854 rows, 7056 columns and 299880 nonzeros
Presolve removed 5310 rows and 3551 columns
Presolve time: 0.91s
Presolved: 93544 rows, 3505 columns, 283949 nonzeros
Variable types: 41 continuous, 3464 integer (3464 binary)
Found heuristic solution: objective 140311.00000

Root relaxation: objective 9.731482e+04, 30411 iterations, 3.81 seconds
Total elapsed time = 5.03s

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

     0     0 97314.8182    0   19 140311.000 97314.8182  30.6%     -    5s
H    0     0                    97336.000000 97314.8182  0.02%     -    5s
H    0     0                    97329.000000 97314.8182  0.01%     -    5s
     0     0 97315.0000    0   33 97329.0000 97315.0000  0.01%     -    5s
     0     0 97315.0000    0   16 97329.0000 97315.0000  0.01%     -    6s
     0     0 97315.0000    0   54 97329.0000 97315.0000  0.01%     -    6s
H    0     0                    97328.000000 97315.0000  0.01%     -    7s
     0     2 97315.1832    0   50 97328.0000 97315.1832  0.01%     -    7s
H    8     6                    97327.000000 97315.1880  0.01%   9.0    8s
    16    13 97316.2222   17   61 97327.0000 97315.8889  0.01%   547   10s
H  443   286                    97325.000000 97316.0000  0.01%  74.7   12s

Cutting planes:
  Gomory: 3
  MIR: 33
  Zero half: 5

Explored 443 nodes (70653 simplex iterations) in 12.93 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.732500000000e+04, best bound 9.731600000000e+04, gap 0.0092%