Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:14:26 2013

Optimize a model with 913 rows, 68973 columns and 137863 nonzeros
Presolve time: 0.10s
Presolved: 913 rows, 68973 columns, 137863 nonzeros
Variable types: 68890 continuous, 83 integer (83 binary)

Root relaxation: objective 9.595882e+04, 2331 iterations, 0.08 seconds

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

     0     0 95958.8183    0    6          - 95958.8183     -      -    0s
H    0     0                    97068.000000 95958.8183  1.14%     -    0s
     0     0 96564.9091    0    7 97068.0000 96564.9091  0.52%     -    0s
H    0     0                    96656.000000 96564.9091  0.09%     -    0s
     0     0 96593.7627    0    6 96656.0000 96593.7627  0.06%     -    0s
     0     0 96593.7627    0    6 96656.0000 96593.7627  0.06%     -    0s
     0     0 96593.7627    0    7 96656.0000 96593.7627  0.06%     -    1s
     0     0 96593.7627    0    6 96656.0000 96593.7627  0.06%     -    1s
     0     0 96601.4962    0    6 96656.0000 96601.4962  0.06%     -    1s
     0     0 96608.4570    0    5 96656.0000 96608.4570  0.05%     -    1s
     0     0 96608.4843    0    5 96656.0000 96608.4843  0.05%     -    1s
     0     0 96608.4843    0    6 96656.0000 96608.4843  0.05%     -    1s
     0     0 96608.4843    0    5 96656.0000 96608.4843  0.05%     -    1s
     0     0 96608.5210    0    6 96656.0000 96608.5210  0.05%     -    1s
     0     0 96609.2267    0    3 96656.0000 96609.2267  0.05%     -    1s
H    0     0                    96627.000000 96609.2267  0.02%     -    1s
     0     2 96610.1667    0    2 96627.0000 96610.1667  0.02%     -    1s

Cutting planes:
  Implied bound: 100
  Flow cover: 6

Explored 3 nodes (4911 simplex iterations) in 1.94 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.662700000000e+04, best bound 9.662316666667e+04, gap 0.0040%