Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:37 2013

Optimize a model with 10624 rows, 10304 columns and 41024 nonzeros
Presolve removed 32 rows and 0 columns
Presolve time: 0.04s
Presolved: 10592 rows, 10304 columns, 40992 nonzeros
Variable types: 10272 continuous, 32 integer (32 binary)

Root relaxation: objective 2.932056e+04, 1283 iterations, 0.14 seconds

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

     0     0 29320.5552    0   26          - 29320.5552     -      -    0s
H    0     0                    32392.000000 29320.5552  9.48%     -    0s
     0     0 31191.4856    0    4 32392.0000 31191.4856  3.71%     -    0s
H    0     0                    31964.651976 31191.4856  2.42%     -    0s
H    0     0                    31676.000000 31191.4856  1.53%     -    0s
H    0     0                    31247.000000 31191.4856  0.18%     -    0s
     0     0 31197.9698    0    2 31247.0000 31197.9698  0.16%     -    0s
     0     0 31216.1200    0    2 31247.0000 31216.1200  0.10%     -    0s
     0     0 31222.3750    0    1 31247.0000 31222.3750  0.08%     -    0s
*    0     0               0    31223.000000 31223.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 24

Explored 0 nodes (1849 simplex iterations) in 0.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.122300000000e+04, best bound 3.122300000000e+04, gap 0.0%