Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:51:31 2013

Optimize a model with 1300 rows, 31800 columns and 95650 nonzeros
Presolve removed 50 rows and 1450 columns
Presolve time: 0.25s
Presolved: 1250 rows, 30350 columns, 90650 nonzeros
Variable types: 30050 continuous, 300 integer (300 binary)

Root relaxation: objective 1.824192e+05, 2346 iterations, 0.12 seconds

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

     0     0 182419.206    0    3          - 182419.206     -      -    0s
H    0     0                    187080.66075 182419.206  2.49%     -    0s
     0     0 182443.252    0    6 187080.661 182443.252  2.48%     -    0s
     0     0 182446.653    0    6 187080.661 182446.653  2.48%     -    0s
     0     0 182447.654    0    6 187080.661 182447.654  2.48%     -    0s
     0     0 182447.690    0    6 187080.661 182447.690  2.48%     -    1s
     0     0 182449.144    0    6 187080.661 182449.144  2.48%     -    1s
     0     0 182449.196    0    6 187080.661 182449.196  2.48%     -    1s
     0     0 182449.196    0    6 187080.661 182449.196  2.48%     -    1s
     0     2 182451.376    0    6 187080.661 182451.376  2.47%     -    1s
*   18     5              17    182879.22514 182609.839  0.15%  43.9    3s

Cutting planes:
  Flow cover: 7

Explored 31 nodes (3876 simplex iterations) in 3.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.828792251419e+05, best bound 1.828670771998e+05, gap 0.0066%