Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:46 2013

Optimize a model with 30 rows, 25 columns and 80 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 20 rows, 15 columns, 60 nonzeros
Variable types: 5 continuous, 10 integer (10 binary)

Root relaxation: objective 2.200000e+02, 9 iterations, 0.00 seconds

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

     0     0  220.00000    0    5          -  220.00000     -      -    0s
     0     0  342.32304    0    3          -  342.32304     -      -    0s
     0     0  342.32304    0    3          -  342.32304     -      -    0s
H    0     0                     549.0000000  342.32304  37.6%     -    0s
     0     2  358.00000    0    3  549.00000  358.00000  34.8%     -    0s
*    5     4               3     538.0000000  358.00000  33.5%   2.6    0s
*    6     3               4     527.0000000  358.00000  32.1%   2.7    0s
*   20     2               4     517.0000000  479.00000  7.35%   2.1    0s

Cutting planes:
  MIR: 8

Explored 23 nodes (64 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.170000000000e+02, best bound 5.170000000000e+02, gap 0.0%