Gurobi 5.0.1 (linux64) logging started Sat Dec  8 10:25:03 2012

Optimize a model with 1095 rows, 1080 columns and 3547 nonzeros
Presolve removed 90 rows and 51 columns
Presolve time: 0.01s
Presolved: 1005 rows, 1029 columns, 3346 nonzeros
Variable types: 680 continuous, 349 integer (349 binary)

Root relaxation: objective 8.703954e+04, 498 iterations, 0.00 seconds

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

     0     0 87039.5395    0  174          - 87039.5395     -      -    0s
H    0     0                    149739.00000 87039.5395  41.9%     -    0s
H    0     0                    149406.00000 87039.5395  41.7%     -    0s
     0     0 109161.192    0   50 149406.000 109161.192  26.9%     -    0s
     0     0 110330.797    0   34 149406.000 110330.797  26.2%     -    0s
     0     0 110568.352    0   13 149406.000 110568.352  26.0%     -    0s
     0     0 110625.742    0   17 149406.000 110625.742  26.0%     -    0s
     0     0 110625.742    0   17 149406.000 110625.742  26.0%     -    0s
H    0     0                    111467.00000 110625.742  0.75%     -    0s
     0     2 110636.857    0   17 111467.000 110636.857  0.74%     -    0s
H    7     7                    111374.00000 110636.857  0.66%   2.4    0s
H   14    14                    111074.00000 110636.857  0.39%   2.3    0s
H   18    18                    110980.00000 110636.857  0.31%   2.2    0s
H   27    14                    110704.00000 110636.857  0.06%   2.1    0s

Cutting planes:
  Gomory: 17
  Cover: 8
  Implied bound: 2
  Flow cover: 113
  Flow path: 73

Explored 61 nodes (940 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.107040000000e+05, best bound 1.106945439851e+05, gap 0.0085%