Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:34:24 2013

Optimize a model with 2625 rows, 625 columns and 8125 nonzeros
Presolve removed 551 rows and 325 columns
Presolve time: 0.02s
Presolved: 2074 rows, 300 columns, 6464 nonzeros
Variable types: 11 continuous, 289 integer (289 binary)
Found heuristic solution: objective 14611.000000

Root relaxation: objective 1.189878e+04, 1555 iterations, 0.03 seconds

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

     0     0 11898.7778    0    6 14611.0000 11898.7778  18.6%     -    0s
H    0     0                    11913.000000 11898.7778  0.12%     -    0s
H    0     0                    11906.000000 11898.7778  0.06%     -    0s
     0     0 11904.2791    0   13 11906.0000 11904.2791  0.01%     -    0s
     0     0 11904.2791    0    9 11906.0000 11904.2791  0.01%     -    0s
     0     0     cutoff    0      11906.0000 11905.0119  0.01%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 1
  Implied bound: 2
  MIR: 4

Explored 0 nodes (1652 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.190600000000e+04, best bound 1.190600000000e+04, gap 0.0%