Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:05 2013

Optimize a model with 150 rows, 2860 columns and 22585 nonzeros
Presolve removed 5 rows and 565 columns
Presolve time: 0.03s
Presolved: 145 rows, 2295 columns, 20585 nonzeros
Variable types: 2255 continuous, 40 integer (40 binary)

Root relaxation: objective 1.291780e+04, 56 iterations, 0.00 seconds

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

     0     0 12917.7960    0    5          - 12917.7960     -      -    0s
     0     0 12918.0142    0    5          - 12918.0142     -      -    0s
     0     0 12961.4234    0    4          - 12961.4234     -      -    0s
     0     0 12961.4234    0    4          - 12961.4234     -      -    0s
     0     0 12961.4234    0    4          - 12961.4234     -      -    0s
     0     0 12961.4569    0    4          - 12961.4569     -      -    0s
     0     0 12961.4569    0    4          - 12961.4569     -      -    0s
H    0     0                    13105.672900 12961.4569  1.10%     -    0s
     0     2 12962.8588    0    4 13105.6729 12962.8588  1.09%     -    0s
*   12     6              11    12986.365233 12965.4022  0.16%   7.2    0s
*   18     5               6    12965.578173 12965.4609  0.00%   5.1    0s

Cutting planes:
  Flow cover: 1

Explored 19 nodes (483 simplex iterations) in 0.67 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.296557817281e+04, best bound 1.296546092334e+04, gap 0.0009%