Gurobi 5.0.1 (linux64) logging started Sat Dec  8 10:25:11 2012

Optimize a model with 1095 rows, 1080 columns and 3553 nonzeros
Presolve removed 98 rows and 59 columns
Presolve time: 0.01s
Presolved: 997 rows, 1021 columns, 3323 nonzeros
Variable types: 679 continuous, 342 integer (342 binary)

Root relaxation: objective 8.873536e+04, 500 iterations, 0.00 seconds

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

     0     0 88735.3630    0  179          - 88735.3630     -      -    0s
H    0     0                    155888.00000 88735.3630  43.1%     -    0s
     0     0 112512.510    0   28 155888.000 112512.510  27.8%     -    0s
H    0     0                    127799.65854 112512.510  12.0%     -    0s
     0     0 113573.152    0   25 127799.659 113573.152  11.1%     -    0s
H    0     0                    126249.94542 113573.152  10.0%     -    0s
     0     0 113810.809    0    9 126249.945 113810.809  9.85%     -    0s
     0     0 113911.541    0    6 126249.945 113911.541  9.77%     -    0s
H    0     0                    117171.25801 113911.541  2.78%     -    0s
*    0     0               0    113915.00000 113915.000   0.0%     -    0s

Cutting planes:
  Gomory: 17
  Cover: 4
  Implied bound: 1
  Flow cover: 122
  Flow path: 64

Explored 0 nodes (743 simplex iterations) in 0.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.139150000000e+05, best bound 1.139150000000e+05, gap 0.0%