Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:25:04 2013

Optimize a model with 78408 rows, 77528 columns and 309848 nonzeros
Presolve removed 4833 rows and 0 columns
Presolve time: 0.52s
Presolved: 73575 rows, 77528 columns, 300182 nonzeros
Variable types: 77440 continuous, 88 integer (88 binary)

Root relaxation: objective 1.082401e+05, 17594 iterations, 4.55 seconds

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

     0     0 108240.080    0    3          - 108240.080     -      -    5s
H    0     0                    108552.00000 108240.080  0.29%     -    5s
     0     0 108241.496    0    4 108552.000 108241.496  0.29%     -    6s
     0     0 108241.496    0    3 108552.000 108241.496  0.29%     -    9s
     0     0 108241.562    0    4 108552.000 108241.562  0.29%     -    9s
     0     0 108241.562    0    4 108552.000 108241.562  0.29%     -    9s
     0     2 108249.989    0    4 108552.000 108249.989  0.28%     -   10s
H    6     5                    108450.00000 108284.250  0.15%  42.3   11s
H    7     5                    108434.55131 108284.388  0.14%  38.1   11s
H    9     5                    108399.34211 108284.388  0.11%  45.4   11s
H   10     5                    108397.26667 108284.388  0.10%  43.5   11s
*   12     5              12    108342.00000 108284.388  0.05%  39.7   11s

Cutting planes:
  Gomory: 1
  Flow cover: 6

Explored 21 nodes (25915 simplex iterations) in 11.85 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.083420000000e+05, best bound 1.083420000000e+05, gap 0.0%