Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:27 2013

Optimize a model with 8729 rows, 8439 columns and 33669 nonzeros
Presolve removed 273 rows and 0 columns
Presolve time: 0.04s
Presolved: 8456 rows, 8439 columns, 33123 nonzeros
Variable types: 8410 continuous, 29 integer (29 binary)

Root relaxation: objective 2.999474e+04, 1420 iterations, 0.07 seconds

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

     0     0 29994.7368    0    1          - 29994.7368     -      -    0s
H    0     0                    30062.000000 29994.7368  0.22%     -    0s
H    0     0                    30011.000000 29994.7368  0.05%     -    0s
     0     0 29999.0154    0    2 30011.0000 29999.0154  0.04%     -    0s
     0     0 29999.0154    0    2 30011.0000 29999.0154  0.04%     -    0s
     0     0 29999.0154    0    2 30011.0000 29999.0154  0.04%     -    0s
     0     0     cutoff    0      30011.0000 30011.0000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 0 nodes (1488 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.001100000000e+04, best bound 3.001100000000e+04, gap 0.0%