Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:52:28 2013
Optimize a model with 1900 rows, 101700 columns and 204100 nonzeros
Presolve removed 200 rows and 300 columns
Presolve time: 0.71s
Presolved: 1700 rows, 101400 columns, 202800 nonzeros
Variable types: 101000 continuous, 400 integer (400 binary)
Root relaxation: objective 8.654105e+05, 8212 iterations, 0.88 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 865410.545 0 2 - 865410.545 - - 1s
H 0 0 898678.98797 865410.545 3.70% - 1s
0 0 865465.499 0 2 898678.988 865465.499 3.70% - 2s
0 0 865509.124 0 2 898678.988 865509.124 3.69% - 2s
0 0 865517.196 0 2 898678.988 865517.196 3.69% - 3s
0 0 865528.342 0 2 898678.988 865528.342 3.69% - 3s
0 0 865531.410 0 2 898678.988 865531.410 3.69% - 3s
0 0 865531.410 0 2 898678.988 865531.410 3.69% - 3s
0 0 865531.410 0 2 898678.988 865531.410 3.69% - 4s
0 0 865531.410 0 2 898678.988 865531.410 3.69% - 4s
0 0 865531.410 0 2 898678.988 865531.410 3.69% - 5s
0 0 865531.410 0 2 898678.988 865531.410 3.69% - 5s
0 2 865566.040 0 2 898678.988 865566.040 3.68% - 5s
24 26 867428.125 23 1 898678.988 866231.143 3.61% 76.0 10s
H 27 15 869098.88645 866231.143 0.33% 70.8 10s
* 48 13 46 868077.72120 866231.143 0.21% 53.8 12s
H 54 5 866990.89656 866643.327 0.04% 66.4 13s
124 9 866927.667 75 1 866990.897 866767.891 0.03% 30.5 15s
* 127 8 78 866930.82542 866767.891 0.02% 29.8 15s
* 131 4 16 866899.19924 866811.478 0.01% 30.5 15s
Cutting planes:
Flow cover: 12
Explored 133 nodes (13267 simplex iterations) in 15.35 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 8.668991992439e+05, best bound 8.668129519245e+05, gap 0.0099%