Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:04 2013

Optimize a model with 9951 rows, 9641 columns and 38471 nonzeros
Presolve removed 1006 rows and 0 columns
Presolve time: 0.05s
Presolved: 8945 rows, 9641 columns, 36459 nonzeros
Variable types: 9610 continuous, 31 integer (31 binary)

Root relaxation: objective 3.302775e+04, 1271 iterations, 0.06 seconds

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

     0     0 33027.7500    0    1          - 33027.7500     -      -    0s
H    0     0                    33309.000000 33027.7500  0.84%     -    0s
H    0     0                    33040.000000 33027.7500  0.04%     -    0s
     0     0     cutoff    0      33040.0000 33040.0000   0.0%     -    0s

Cutting planes:
  Flow cover: 7

Explored 0 nodes (1281 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.304000000000e+04, best bound 3.304000000000e+04, gap 0.0%