Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:08:37 2013

Optimize a model with 2032 rows, 4046 columns and 14090 nonzeros
Presolve removed 23 rows and 169 columns
Presolve time: 0.17s
Presolved: 2009 rows, 3877 columns, 11616 nonzeros
Variable types: 2015 continuous, 1862 integer (1862 binary)

Root relaxation: objective 5.500909e+03, 14 iterations, 0.00 seconds

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

     0     0 5500.90903    0    2          - 5500.90903     -      -    0s
     0     0 5500.92195    0    2          - 5500.92195     -      -    0s
     0     0 5500.93136    0    2          - 5500.93136     -      -    0s
H    0     0                    5503.9234267 5500.93136  0.05%     -    0s
     0     1 5500.95004    0    2 5503.92343 5500.95004  0.05%     -    0s

Cutting planes:
  Gomory: 2

Explored 564 nodes (1722 simplex iterations) in 4.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.503923426738e+03, best bound 5.503373676774e+03, gap 0.0100%