Gurobi 5.0.1 (linux64) logging started Sun Dec  9 21:45:00 2012

Optimize a model with 1110 rows, 1080 columns and 3581 nonzeros
Presolve removed 41 rows and 25 columns
Presolve time: 0.01s
Presolved: 1069 rows, 1055 columns, 3481 nonzeros
Variable types: 704 continuous, 351 integer (351 binary)

Root relaxation: objective 9.866416e+04, 532 iterations, 0.00 seconds

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

     0     0 98664.1600    0  180          - 98664.1600     -      -    0s
H    0     0                    158544.00000 98664.1600  37.8%     -    0s
     0     0 118329.443    0   31 158544.000 118329.443  25.4%     -    0s
H    0     0                    133842.87384 118329.443  11.6%     -    0s
     0     0 118977.732    0   15 133842.874 118977.732  11.1%     -    0s
     0     0 119091.724    0    5 133842.874 119091.724  11.0%     -    0s
     0     0 119107.980    0    2 133842.874 119107.980  11.0%     -    0s
H    0     0                    119435.00000 119107.980  0.27%     -    0s
     0     2 119108.480    0    2 119435.000 119108.480  0.27%     -    0s
*   13    10              12    119430.00000 119108.480  0.27%   3.8    0s
*   16     8               2    119425.00000 119126.242  0.25%   3.6    0s
*   17     5               2    119174.00000 119126.242  0.04%   3.5    0s
*   19     2               3    119143.00000 119139.509  0.00%   3.6    0s

Cutting planes:
  Gomory: 24
  Cover: 1
  Flow cover: 110
  Flow path: 66

Explored 20 nodes (829 simplex iterations) in 0.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.191430000000e+05, best bound 1.191395094325e+05, gap 0.0029%