Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:43:53 2013

Optimize a model with 7175 rows, 1225 columns and 22050 nonzeros
Presolve removed 841 rows and 621 columns
Presolve time: 0.05s
Presolved: 6334 rows, 604 columns, 19514 nonzeros
Variable types: 16 continuous, 588 integer (588 binary)
Found heuristic solution: objective 27801.000000

Root relaxation: objective 2.241459e+04, 2908 iterations, 0.09 seconds

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

     0     0 22414.5923    0    7 27801.0000 22414.5923  19.4%     -    0s
H    0     0                    22427.000000 22414.5923  0.06%     -    0s
H    0     0                    22419.000000 22414.5923  0.02%     -    0s
     0     0 22417.8121    0   11 22419.0000 22417.8121  0.01%     -    0s

Cutting planes:
  Gomory: 3
  Implied bound: 2
  MIR: 6
  Mod-K: 4

Explored 0 nodes (2943 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.241900000000e+04, best bound 2.241800000000e+04, gap 0.0045%