Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:39 2013

Optimize a model with 10624 rows, 10304 columns and 41024 nonzeros
Presolve removed 32 rows and 0 columns
Presolve time: 0.05s
Presolved: 10592 rows, 10304 columns, 40992 nonzeros
Variable types: 10272 continuous, 32 integer (32 binary)

Root relaxation: objective 2.851906e+04, 1382 iterations, 0.14 seconds

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

     0     0 28519.0583    0   22          - 28519.0583     -      -    0s
H    0     0                    32425.000000 28519.0583  12.0%     -    0s
*    0     0               0    30905.000000 30905.0000   0.0%     -    0s

Cutting planes:
  Gomory: 18
  Implied bound: 22

Explored 0 nodes (1759 simplex iterations) in 0.48 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.090500000000e+04, best bound 3.090500000000e+04, gap 0.0%