Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:21:21 2013

Optimize a model with 1561 rows, 441 columns and 4851 nonzeros
Presolve removed 450 rows and 237 columns
Presolve time: 0.01s
Presolved: 1111 rows, 204 columns, 3458 nonzeros
Variable types: 7 continuous, 197 integer (197 binary)
Found heuristic solution: objective 8049.0000000

Root relaxation: objective 6.022973e+03, 408 iterations, 0.01 seconds

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

     0     0 6022.97297    0    6 8049.00000 6022.97297  25.2%     -    0s
H    0     0                    6045.0000000 6022.97297  0.36%     -    0s
H    0     0                    6033.0000000 6022.97297  0.17%     -    0s
     0     0 6024.30197    0   16 6033.00000 6024.30197  0.14%     -    0s
     0     0 6024.30197    0    6 6033.00000 6024.30197  0.14%     -    0s
     0     0 6024.69738    0   15 6033.00000 6024.69738  0.14%     -    0s
     0     1 6024.70487    0   15 6033.00000 6024.70487  0.14%     -    0s
H    3     3                    6032.0000000 6024.70487  0.12%   0.0    0s
H    7     5                    6031.0000000 6028.81453  0.04%   0.0    0s

Cutting planes:
  Gomory: 10
  MIR: 5
  GUB cover: 1

Explored 17 nodes (719 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.031000000000e+03, best bound 6.031000000000e+03, gap 0.0%