Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:33 2013

Optimize a model with 200 rows, 1210 columns and 2670 nonzeros
Presolve removed 10 rows and 70 columns
Presolve time: 0.00s
Presolved: 190 rows, 1140 columns, 2570 nonzeros
Variable types: 1110 continuous, 30 integer (30 binary)

Root relaxation: objective 1.937272e+04, 89 iterations, 0.00 seconds

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

     0     0 19372.7157    0    2          - 19372.7157     -      -    0s
     0     0 19398.0124    0    6          - 19398.0124     -      -    0s
     0     0 19406.0282    0    6          - 19406.0282     -      -    0s
     0     0 19406.4545    0    6          - 19406.4545     -      -    0s
     0     0 19460.8411    0    1          - 19460.8411     -      -    0s
     0     0 19460.8411    0    1          - 19460.8411     -      -    0s
H    0     0                    19511.545693 19460.8411  0.26%     -    0s
     0     2 19490.6188    0    1 19511.5457 19490.6188  0.11%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 3 nodes (195 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.951154569350e+04, best bound 1.951154569350e+04, gap 0.0%