Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:14:19 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 9.605060e+04, 2673 iterations, 0.10 seconds

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

     0     0 96050.6039    0    7          - 96050.6039     -      -    0s
H    0     0                    101026.00000 96050.6039  4.92%     -    0s
H    0     0                    96556.000000 96050.6039  0.52%     -    0s
     0     0 96214.8607    0    5 96556.0000 96214.8607  0.35%     -    0s
     0     0 96214.8607    0    7 96556.0000 96214.8607  0.35%     -    0s
     0     0 96218.2438    0    5 96556.0000 96218.2438  0.35%     -    1s
     0     0 96243.6510    0    5 96556.0000 96243.6510  0.32%     -    1s
     0     0 96250.5592    0    5 96556.0000 96250.5592  0.32%     -    1s
     0     0 96252.2159    0    5 96556.0000 96252.2159  0.31%     -    1s
     0     0 96252.4283    0    5 96556.0000 96252.4283  0.31%     -    1s
     0     0 96255.7218    0    5 96556.0000 96255.7218  0.31%     -    1s
     0     0 96255.7218    0    5 96556.0000 96255.7218  0.31%     -    1s
     0     0 96255.7218    0    5 96556.0000 96255.7218  0.31%     -    1s
     0     2 96260.5573    0    5 96556.0000 96260.5573  0.31%     -    1s
H    6     4                    96465.000000 96327.7019  0.14%  44.7    2s
H    7     4                    96423.000000 96327.7019  0.10%  41.6    2s
*    9     4               9    96379.000000 96327.7019  0.05%  36.4    2s

Cutting planes:
  Implied bound: 58
  Flow cover: 5

Explored 14 nodes (5844 simplex iterations) in 2.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.637900000000e+04, best bound 9.637900000000e+04, gap 0.0%