Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:11 2013

Optimize a model with 13356 rows, 12996 columns and 51876 nonzeros
Presolve removed 119 rows and 0 columns
Presolve time: 0.07s
Presolved: 13237 rows, 12996 columns, 51638 nonzeros
Variable types: 12960 continuous, 36 integer (36 binary)

Root relaxation: objective 3.357181e+04, 1532 iterations, 0.09 seconds

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

     0     0 33571.8103    0    2          - 33571.8103     -      -    0s
H    0     0                    33709.000000 33571.8103  0.41%     -    0s
H    0     0                    33633.000000 33571.8103  0.18%     -    0s
     0     0 33571.8867    0    3 33633.0000 33571.8867  0.18%     -    0s
     0     0 33571.8867    0    2 33633.0000 33571.8867  0.18%     -    0s
     0     0 33571.9179    0    3 33633.0000 33571.9179  0.18%     -    0s
     0     2 33573.8205    0    3 33633.0000 33573.8205  0.18%     -    0s
H    3     3                    33623.923077 33586.3462  0.11%   6.7    0s
*    5     2               4    33607.000000 33599.5827  0.02%  12.8    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 8 nodes (2248 simplex iterations) in 0.82 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.360700000000e+04, best bound 3.360700000000e+04, gap 0.0%