Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:57:27 2013

Optimize a model with 81990 rows, 81090 columns and 324090 nonzeros
Presolve removed 3960 rows and 0 columns
Presolve time: 0.56s
Presolved: 78030 rows, 81090 columns, 316170 nonzeros
Variable types: 81000 continuous, 90 integer (90 binary)

Root relaxation: objective 1.079781e+05, 16750 iterations, 4.18 seconds

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

     0     0 107978.060    0    3          - 107978.060     -      -    4s
H    0     0                    108576.00000 107978.060  0.55%     -    5s
     0     0 107981.195    0    4 108576.000 107981.195  0.55%     -    5s
     0     0 107981.195    0    4 108576.000 107981.195  0.55%     -    6s
     0     0 108170.971    0    6 108576.000 108170.971  0.37%     -    7s
H    0     0                    108262.00000 108170.971  0.08%     -    9s
     0     0 108172.021    0    4 108262.000 108172.021  0.08%     -   12s
     0     0 108174.551    0    5 108262.000 108174.551  0.08%     -   12s
     0     0 108174.551    0    5 108262.000 108174.551  0.08%     -   13s
     0     0 108214.747    0    3 108262.000 108214.747  0.04%     -   13s
     0     2 108217.300    0    3 108262.000 108217.300  0.04%     -   14s

Cutting planes:
  Flow cover: 3

Explored 4 nodes (23496 simplex iterations) in 14.52 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.082620000000e+05, best bound 1.082620000000e+05, gap 0.0%