Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:45 2013

Optimize a model with 12635 rows, 12285 columns and 49035 nonzeros
Presolve removed 761 rows and 0 columns
Presolve time: 0.07s
Presolved: 11874 rows, 12285 columns, 47513 nonzeros
Variable types: 12250 continuous, 35 integer (35 binary)

Root relaxation: objective 3.518676e+04, 1657 iterations, 0.09 seconds

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

     0     0 35186.7638    0    3          - 35186.7638     -      -    0s
H    0     0                    35776.000000 35186.7638  1.65%     -    0s
H    0     0                    35232.000000 35186.7638  0.13%     -    0s
     0     0 35194.4381    0    2 35232.0000 35194.4381  0.11%     -    0s
     0     0 35194.4381    0    3 35232.0000 35194.4381  0.11%     -    0s
     0     0 35194.4381    0    2 35232.0000 35194.4381  0.11%     -    0s
     0     0 35194.4381    0    2 35232.0000 35194.4381  0.11%     -    0s
     0     0 35231.2623    0    1 35232.0000 35231.2623  0.00%     -    0s

Cutting planes:
  Gomory: 2
  Flow cover: 2

Explored 0 nodes (2169 simplex iterations) in 0.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.523200000000e+04, best bound 3.523126229508e+04, gap 0.0021%