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

Optimize a model with 220 rows, 4020 columns and 8020 nonzeros
Presolve time: 0.00s
Presolved: 220 rows, 4020 columns, 8020 nonzeros
Variable types: 4000 continuous, 20 integer (20 binary)

Root relaxation: objective 1.932719e+04, 238 iterations, 0.00 seconds

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

     0     0 19327.1874    0    3          - 19327.1874     -      -    0s
H    0     0                    19465.000000 19327.1874  0.71%     -    0s
     0     0 19463.0400    0    1 19465.0000 19463.0400  0.01%     -    0s

Cutting planes:
  Implied bound: 20
  Flow cover: 3

Explored 0 nodes (259 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.946500000000e+04, best bound 1.946500000000e+04, gap 0.0%