Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:12 2013

Optimize a model with 11934 rows, 11594 columns and 46274 nonzeros
Presolve removed 668 rows and 0 columns
Presolve time: 0.06s
Presolved: 11266 rows, 11594 columns, 44938 nonzeros
Variable types: 11560 continuous, 34 integer (34 binary)

Root relaxation: objective 3.015740e+04, 1145 iterations, 0.06 seconds

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

     0     0 30157.3953    0    1          - 30157.3953     -      -    0s
H    0     0                    30259.000000 30157.3953  0.34%     -    0s
H    0     0                    30220.000000 30157.3953  0.21%     -    0s
     0     0 30158.4931    0    2 30220.0000 30158.4931  0.20%     -    0s
     0     0 30219.0928    0    1 30220.0000 30219.0928  0.00%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 0 nodes (1236 simplex iterations) in 0.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.022000000000e+04, best bound 3.021909278351e+04, gap 0.0030%