Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:29 2013

Optimize a model with 176 rows, 2576 columns and 5136 nonzeros
Presolve time: 0.00s
Presolved: 176 rows, 2576 columns, 5136 nonzeros
Variable types: 2560 continuous, 16 integer (16 binary)

Root relaxation: objective 1.981488e+04, 170 iterations, 0.00 seconds

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

     0     0 19814.8809    0    2          - 19814.8809     -      -    0s
H    0     0                    19858.000000 19814.8809  0.22%     -    0s
*    0     0               0    19856.000000 19856.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 42
  Flow cover: 4

Explored 0 nodes (172 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.985600000000e+04, best bound 1.985600000000e+04, gap 0.0%