Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:41 2013

Optimize a model with 18 rows, 16 columns and 48 nonzeros
Presolve removed 6 rows and 6 columns
Presolve time: 0.00s
Presolved: 12 rows, 10 columns, 36 nonzeros
Variable types: 4 continuous, 6 integer (6 binary)

Root relaxation: objective 2.670000e+02, 5 iterations, 0.00 seconds

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

     0     0  267.00000    0    5          -  267.00000     -      -    0s
H    0     0                     650.0000000  267.00000  58.9%     -    0s
H    0     0                     616.0000000  267.00000  56.7%     -    0s
H    0     0                     566.0000000  267.00000  52.8%     -    0s
     0     0  357.35264    0    3  566.00000  357.35264  36.9%     -    0s
     0     0  358.30580    0    3  566.00000  358.30580  36.7%     -    0s
     0     0  358.30580    0    3  566.00000  358.30580  36.7%     -    0s
     0     2  369.00000    0    3  566.00000  369.00000  34.8%     -    0s
*    5     5               3     454.0000000  396.92308  12.6%   3.0    0s
*    8     0               2     446.0000000  446.00000   0.0%   2.1    0s

Cutting planes:
  MIR: 8

Explored 9 nodes (40 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.460000000000e+02, best bound 4.460000000000e+02, gap 0.0%