Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:19:32 2013

Optimize a model with 858 rows, 60918 columns and 121758 nonzeros
Presolve time: 0.09s
Presolved: 858 rows, 60918 columns, 121758 nonzeros
Variable types: 60840 continuous, 78 integer (78 binary)

Root relaxation: objective 9.235532e+04, 2401 iterations, 0.07 seconds

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

     0     0 92355.3196    0    7          - 92355.3196     -      -    0s
H    0     0                    96825.000000 92355.3196  4.62%     -    0s
     0     0 92610.3925    0    6 96825.0000 92610.3925  4.35%     -    0s
     0     0 92654.6331    0    6 96825.0000 92654.6331  4.31%     -    0s
     0     0 92665.6392    0    6 96825.0000 92665.6392  4.30%     -    0s
     0     0 92666.1997    0    6 96825.0000 92666.1997  4.30%     -    0s
     0     0 92666.5158    0    6 96825.0000 92666.5158  4.29%     -    0s
     0     0 92667.6479    0    5 96825.0000 92667.6479  4.29%     -    1s
     0     2 92671.2811    0    5 96825.0000 92671.2811  4.29%     -    1s
H    2     2                    95026.834809 92750.4737  2.40%  41.5    1s
H    3     3                    94782.392182 92751.9005  2.14%  36.7    1s
H    4     4                    94567.555531 92751.9005  1.92%  37.0    1s
H    5     5                    93573.018868 92751.9005  0.88%  36.2    1s
H    8     8                    93116.540284 92751.9005  0.39%  57.2    1s
*   15     8              13    93055.000000 92751.9005  0.33%  47.3    1s
H   20     6                    92911.118483 92784.2970  0.14%  47.4    2s
*   25     8              10    92872.000000 92784.2970  0.09%  43.0    2s

Cutting planes:
  Implied bound: 83
  Flow cover: 5

Explored 37 nodes (4293 simplex iterations) in 2.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.287200000000e+04, best bound 9.286485714286e+04, gap 0.0077%