Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:15 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 2.087076e+04, 211 iterations, 0.00 seconds

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

     0     0 20870.7615    0    2          - 20870.7615     -      -    0s
H    0     0                    20993.000000 20870.7615  0.58%     -    0s
     0     0 20986.2759    0    1 20993.0000 20986.2759  0.03%     -    0s
     0     0     cutoff    0      20993.0000 20993.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 21

Explored 0 nodes (230 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.099300000000e+04, best bound 2.099300000000e+04, gap 0.0%