Gurobi 5.0.1 (linux64) logging started Wed Apr 24 02:19:40 2013

Optimize a model with 770 rows, 49070 columns and 98070 nonzeros
Presolve time: 0.07s
Presolved: 770 rows, 49070 columns, 98070 nonzeros
Variable types: 49000 continuous, 70 integer (70 binary)

Root relaxation: objective 8.210525e+04, 1990 iterations, 0.06 seconds

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

     0     0 82105.2490    0    5          - 82105.2490     -      -    0s
H    0     0                    83558.000000 82105.2490  1.74%     -    0s
     0     0 82672.3134    0    2 83558.0000 82672.3134  1.06%     -    0s
H    0     0                    82727.000000 82672.3134  0.07%     -    0s
     0     0 82677.6146    0    2 82727.0000 82677.6146  0.06%     -    0s
     0     0 82677.6146    0    5 82727.0000 82677.6146  0.06%     -    0s
     0     0 82677.6146    0    2 82727.0000 82677.6146  0.06%     -    0s
     0     0 82677.7434    0    3 82727.0000 82677.7434  0.06%     -    0s
     0     0 82686.6207    0    2 82727.0000 82686.6207  0.05%     -    0s
     0     0 82687.9172    0    3 82727.0000 82687.9172  0.05%     -    0s
     0     0 82690.6787    0    2 82727.0000 82690.6787  0.04%     -    1s
     0     0 82690.6787    0    2 82727.0000 82690.6787  0.04%     -    1s
     0     0     cutoff    0      82727.0000 82727.0000   0.0%     -    1s

Cutting planes:
  Implied bound: 87
  Flow cover: 2

Explored 0 nodes (4363 simplex iterations) in 1.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.272700000000e+04, best bound 8.272700000000e+04, gap 0.0%