Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:14:44 2013

Optimize a model with 20140 rows, 21020 columns and 82010 nonzeros
Presolve removed 30 rows and 20 columns
Presolve time: 0.28s
Presolved: 20110 rows, 21000 columns, 61980 nonzeros
Variable types: 11010 continuous, 9990 integer (9990 binary)

Root relaxation: objective 2.387367e+04, 7398 iterations, 0.30 seconds

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

     0     0 23873.6700    0    1          - 23873.6700     -      -    0s
     0     0 23950.7184    0    2          - 23950.7184     -      -    1s
H    0     0                    23950.729889 23950.7184  0.00%     -    1s

Cutting planes:
  Gomory: 1

Explored 0 nodes (8313 simplex iterations) in 1.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395072988868e+04, best bound 2.395071839333e+04, gap 0.0000%