Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:17 2013

Optimize a model with 308 rows, 7868 columns and 15708 nonzeros
Presolve time: 0.01s
Presolved: 308 rows, 7868 columns, 15708 nonzeros
Variable types: 7840 continuous, 28 integer (28 binary)

Root relaxation: objective 2.890544e+04, 408 iterations, 0.01 seconds

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

     0     0 28905.4407    0    2          - 28905.4407     -      -    0s
H    0     0                    29467.000000 28905.4407  1.91%     -    0s
H    0     0                    29049.000000 28905.4407  0.49%     -    0s
     0     0 29018.8681    0    1 29049.0000 29018.8681  0.10%     -    0s
     0     0 29024.7143    0    1 29049.0000 29024.7143  0.08%     -    0s
     0     0 29033.2857    0    1 29049.0000 29033.2857  0.05%     -    0s
     0     0 29037.2418    0    1 29049.0000 29037.2418  0.04%     -    0s
     0     0 29041.0674    0    1 29049.0000 29041.0674  0.03%     -    0s
     0     0 29043.0000    0    1 29049.0000 29043.0000  0.02%     -    0s
     0     0 29047.8352    0    1 29049.0000 29047.8352  0.00%     -    0s

Cutting planes:
  Implied bound: 12
  Flow cover: 9

Explored 0 nodes (440 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.904900000000e+04, best bound 2.904783516484e+04, gap 0.0040%