Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:31 2013

Optimize a model with 352 rows, 10272 columns and 20512 nonzeros
Presolve time: 0.01s
Presolved: 352 rows, 10272 columns, 20512 nonzeros
Variable types: 10240 continuous, 32 integer (32 binary)

Root relaxation: objective 3.069596e+04, 449 iterations, 0.01 seconds

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

     0     0 30695.9553    0    5          - 30695.9553     -      -    0s
H    0     0                    30976.000000 30695.9553  0.90%     -    0s
*    0     0               0    30905.000000 30905.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 93
  Flow cover: 5

Explored 0 nodes (541 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.090500000000e+04, best bound 3.090500000000e+04, gap 0.0%