Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:39 2013

Optimize a model with 198 rows, 3258 columns and 6498 nonzeros
Presolve time: 0.00s
Presolved: 198 rows, 3258 columns, 6498 nonzeros
Variable types: 3240 continuous, 18 integer (18 binary)

Root relaxation: objective 3.108876e+04, 323 iterations, 0.00 seconds

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

     0     0 31088.7613    0    1          - 31088.7613     -      -    0s
H    0     0                    31138.000000 31088.7613  0.16%     -    0s
     0     0     cutoff    0      31138.0000 31138.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 16
  Flow cover: 1

Explored 0 nodes (325 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.113800000000e+04, best bound 3.113800000000e+04, gap 0.0%