Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:22 2013

Optimize a model with 360 rows, 1430 columns and 3450 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.01s
Presolved: 350 rows, 1420 columns, 3240 nonzeros
Variable types: 1220 continuous, 200 integer (200 binary)

Root relaxation: objective 1.937272e+04, 119 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    4          - 19372.7157     -      -    0s
H    0     0                    19730.526132 19372.7157  1.81%     -    0s
     0     0 19430.3302    0    4 19730.5261 19430.3302  1.52%     -    0s
     0     0 19430.7946    0    5 19730.5261 19430.7946  1.52%     -    0s
     0     0 19432.2657    0    5 19730.5261 19432.2657  1.51%     -    0s
     0     0 19432.4387    0    5 19730.5261 19432.4387  1.51%     -    0s
     0     0 19442.5231    0    5 19730.5261 19442.5231  1.46%     -    0s
     0     0 19445.9783    0    5 19730.5261 19445.9783  1.44%     -    0s
     0     0 19455.0696    0    5 19730.5261 19455.0696  1.40%     -    0s
     0     0 19462.0385    0    5 19730.5261 19462.0385  1.36%     -    0s
     0     0 19467.7158    0    5 19730.5261 19467.7158  1.33%     -    0s
     0     0 19472.5147    0    5 19730.5261 19472.5147  1.31%     -    0s
     0     0 19476.6233    0    5 19730.5261 19476.6233  1.29%     -    0s
     0     0 19479.4852    0    5 19730.5261 19479.4852  1.27%     -    0s
     0     0 19482.0214    0    5 19730.5261 19482.0214  1.26%     -    0s
     0     0 19484.3155    0    5 19730.5261 19484.3155  1.25%     -    0s
     0     0 19486.4089    0    5 19730.5261 19486.4089  1.24%     -    0s
     0     0 19488.3336    0    5 19730.5261 19488.3336  1.23%     -    0s
     0     0 19490.1142    0    5 19730.5261 19490.1142  1.22%     -    0s
     0     0 19491.7708    0    5 19730.5261 19491.7708  1.21%     -    0s
     0     0 19493.2190    0    5 19730.5261 19493.2190  1.20%     -    0s
     0     0 19494.3630    0    5 19730.5261 19494.3630  1.20%     -    0s
     0     0 19494.3630    0    5 19730.5261 19494.3630  1.20%     -    0s
H    0     0                    19598.035967 19494.3630  0.53%     -    0s
     0     1 19501.1373    0    4 19598.0360 19501.1373  0.49%     -    0s
*   16     6               9    19513.567182 19505.5479  0.04%   6.7    0s

Cutting planes:
  Implied bound: 9
  Flow cover: 1

Explored 20 nodes (956 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.951356718242e+04, best bound 1.951356718242e+04, gap 0.0%