Gurobi 5.0.1 (linux64) logging started Sun Dec  9 21:44:19 2012

Optimize a model with 1110 rows, 1080 columns and 3574 nonzeros
Presolve removed 58 rows and 34 columns
Presolve time: 0.01s
Presolved: 1052 rows, 1046 columns, 3438 nonzeros
Variable types: 696 continuous, 350 integer (350 binary)

Root relaxation: objective 1.006913e+05, 535 iterations, 0.00 seconds

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

     0     0 100691.315    0  189          - 100691.315     -      -    0s
H    0     0                    170782.00000 100691.315  41.0%     -    0s
     0     0 126489.721    0   40 170782.000 126489.721  25.9%     -    0s
     0     0 127327.312    0   28 170782.000 127327.312  25.4%     -    0s
     0     0 127515.514    0    7 170782.000 127515.514  25.3%     -    0s
     0     0 127516.200    0   10 170782.000 127516.200  25.3%     -    0s
H    0     0                    170702.00000 127516.200  25.3%     -    0s
     0     2 127517.976    0   10 170702.000 127517.976  25.3%     -    0s
H   27    26                    128294.00000 127523.358  0.60%   2.8    0s
*  136    62              44    128026.00000 127537.180  0.38%   2.6    0s
*  197   102              46    128010.00000 127540.607  0.37%   2.6    0s
*  202    91              52    127948.00000 127540.607  0.32%   2.5    0s
*  292    92              36    127795.00000 127545.405  0.20%   2.5    0s
*  300    24               8    127588.00000 127547.563  0.03%   2.5    0s
*  308    16              15    127574.00000 127547.563  0.02%   2.5    0s
*  313     8               5    127566.00000 127557.188  0.01%   2.5    0s

Cutting planes:
  Gomory: 41
  Cover: 1
  Flow cover: 125
  Flow path: 56

Explored 314 nodes (1609 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.275660000000e+05, best bound 1.275571883636e+05, gap 0.0069%