Gurobi 5.0.1 (linux64) logging started Sat Dec  8 02:36:14 2012

Optimize a model with 825 rows, 810 columns and 2959 nonzeros
Presolve removed 69 rows and 22 columns
Presolve time: 0.00s
Presolved: 756 rows, 788 columns, 2819 nonzeros
Variable types: 701 continuous, 87 integer (87 binary)

Root relaxation: objective 2.897776e+04, 145 iterations, 0.00 seconds

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

     0     0 28977.7581    0   11          - 28977.7581     -      -    0s
H    0     0                    31825.000000 28977.7581  8.95%     -    0s
H    0     0                    29469.000000 28977.7581  1.67%     -    0s
     0     0 29052.9530    0   16 29469.0000 29052.9530  1.41%     -    0s
     0     0 29082.0982    0   24 29469.0000 29082.0982  1.31%     -    0s
     0     0 29082.4689    0   24 29469.0000 29082.4689  1.31%     -    0s
     0     2 29088.4571    0   24 29469.0000 29088.4571  1.29%     -    0s
*   46    23              22    29465.000000 29228.5164  0.80%   5.5    0s

Cutting planes:
  Gomory: 3
  Cover: 2
  Flow cover: 11

Explored 173 nodes (1154 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.946500000000e+04, best bound 2.946500000000e+04, gap 0.0%