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 2.080000e+02, 4 iterations, 0.00 seconds

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

     0     0  208.00000    0    4          -  208.00000     -      -    0s
H    0     0                     489.0000000  208.00000  57.5%     -    0s
H    0     0                     478.0000000  208.00000  56.5%     -    0s
H    0     0                     439.0000000  208.00000  52.6%     -    0s
     0     0  289.00000    0    2  439.00000  289.00000  34.2%     -    0s
     0     0  290.95538    0    4  439.00000  290.95538  33.7%     -    0s
     0     0  290.95538    0    4  439.00000  290.95538  33.7%     -    0s
     0     2  291.86364    0    4  439.00000  291.86364  33.5%     -    0s
*    4     4               3     322.0000000  306.45455  4.83%   2.8    0s

Cutting planes:
  MIR: 8

Explored 8 nodes (41 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.220000000000e+02, best bound 3.220000000000e+02, gap 0.0%