Gurobi 5.0.1 (linux64) logging started Sat Dec  8 10:25:04 2012

Optimize a model with 1095 rows, 1080 columns and 3549 nonzeros
Presolve removed 104 rows and 61 columns
Presolve time: 0.01s
Presolved: 991 rows, 1019 columns, 3308 nonzeros
Variable types: 676 continuous, 343 integer (343 binary)

Root relaxation: objective 8.784492e+04, 487 iterations, 0.00 seconds

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

     0     0 87844.9171    0  163          - 87844.9171     -      -    0s
H    0     0                    146253.00000 87844.9171  39.9%     -    0s
     0     0 109187.686    0   29 146253.000 109187.686  25.3%     -    0s
     0     0 109655.944    0   19 146253.000 109655.944  25.0%     -    0s
     0     0 109757.401    0    8 146253.000 109757.401  25.0%     -    0s
     0     0 109792.622    0    2 146253.000 109792.622  24.9%     -    0s
H    0     0                    109793.00000 109792.622  0.00%     -    0s

Cutting planes:
  Gomory: 14
  Cover: 3
  Flow cover: 101
  Flow path: 61

Explored 0 nodes (703 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.097930000000e+05, best bound 1.097926217391e+05, gap 0.0003%