Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:16 2013

Optimize a model with 253 rows, 5313 columns and 10603 nonzeros
Presolve time: 0.01s
Presolved: 253 rows, 5313 columns, 10603 nonzeros
Variable types: 5290 continuous, 23 integer (23 binary)

Root relaxation: objective 2.428386e+04, 314 iterations, 0.00 seconds

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

     0     0 24283.8600    0    6          - 24283.8600     -      -    0s
H    0     0                    24866.000000 24283.8600  2.34%     -    0s
H    0     0                    24786.000000 24283.8600  2.03%     -    0s
     0     0 24603.3905    0    3 24786.0000 24603.3905  0.74%     -    0s
     0     0 24612.7762    0    4 24786.0000 24612.7762  0.70%     -    0s
     0     0 24615.6939    0    3 24786.0000 24615.6939  0.69%     -    0s
     0     0 24616.5433    0    3 24786.0000 24616.5433  0.68%     -    0s
     0     0 24616.5433    0    3 24786.0000 24616.5433  0.68%     -    0s
H    0     0                    24631.000000 24616.5433  0.06%     -    0s
     0     0 24631.0000    0    1 24631.0000 24631.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 35
  Flow cover: 5

Explored 1 nodes (426 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.463100000000e+04, best bound 2.463100000000e+04, gap 0.0%