Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:19 2013

Optimize a model with 228 rows, 244 columns and 882 nonzeros
Presolve removed 208 rows and 217 columns
Presolve time: 0.00s
Presolved: 20 rows, 27 columns, 78 nonzeros
Variable types: 19 continuous, 8 integer (8 binary)

Root relaxation: objective 5.420106e+03, 11 iterations, 0.00 seconds

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

     0     0 5420.10604    0    1          - 5420.10604     -      -    0s
H    0     0                    5441.6157041 5420.10604  0.40%     -    0s
     0     0     cutoff    0      5441.61570 5441.61570   0.0%     -    0s

Cutting planes:
  Implied bound: 1
  Flow cover: 2

Explored 0 nodes (15 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.441615704088e+03, best bound 5.441615704088e+03, gap 0.0%