Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:41:28 2013
Optimize a model with 1280 rows, 7040 columns and 16020 nonzeros
Presolve removed 40 rows and 60 columns
Presolve time: 0.07s
Presolved: 1240 rows, 6980 columns, 13960 nonzeros
Variable types: 6000 continuous, 980 integer (980 binary)
Root relaxation: objective 4.370285e+04, 628 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 43702.8549 0 2 - 43702.8549 - - 0s
0 0 43717.7839 0 2 - 43717.7839 - - 0s
0 0 43719.4767 0 2 - 43719.4767 - - 0s
0 0 43728.0896 0 1 - 43728.0896 - - 0s
0 0 43728.0896 0 1 - 43728.0896 - - 0s
0 0 43728.0896 0 1 - 43728.0896 - - 0s
0 0 43728.0896 0 1 - 43728.0896 - - 0s
H 0 0 47752.886497 43728.0896 8.43% - 0s
0 2 43729.6068 0 1 47752.8865 43729.6068 8.43% - 0s
H 81 80 44188.741301 43833.2232 0.80% 10.6 0s
* 108 65 108 44052.747892 43833.2232 0.50% 9.8 0s
H 191 109 44045.690360 43857.3906 0.43% 7.8 0s
* 202 108 93 44040.331286 43857.3906 0.42% 7.5 0s
* 291 15 11 43900.849511 43877.1384 0.05% 7.1 1s
Cutting planes:
Gomory: 2
Flow cover: 9
Explored 311 nodes (3296 simplex iterations) in 1.14 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 4.390084951135e+04, best bound 4.389672213982e+04, gap 0.0094%