Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:22:11 2012
Optimize a model with 457 rows, 318 columns and 1458 nonzeros
Presolve time: 0.00s
Presolved: 457 rows, 318 columns, 1458 nonzeros
Variable types: 0 continuous, 318 integer (318 binary)
Found heuristic solution: objective 99.0000000
Root relaxation: objective 0.000000e+00, 120 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 90 99.00000 0.00000 100% - 0s
H 0 0 93.0000000 0.00000 100% - 0s
H 0 0 81.0000000 0.00000 100% - 0s
0 0 0.68750 0 92 81.00000 0.68750 99.2% - 0s
H 0 0 77.0000000 0.68750 99.1% - 0s
0 0 0.71250 0 92 77.00000 0.71250 99.1% - 0s
0 0 0.72500 0 93 77.00000 0.72500 99.1% - 0s
0 0 0.80822 0 95 77.00000 0.80822 99.0% - 0s
0 0 0.82418 0 93 77.00000 0.82418 98.9% - 0s
0 0 0.82418 0 93 77.00000 0.82418 98.9% - 0s
0 2 0.82418 0 93 77.00000 0.82418 98.9% - 0s
H 54 51 63.0000000 6.69250 89.4% 32.0 0s
* 99 75 29 55.0000000 6.75521 87.7% 31.8 0s
* 232 178 26 52.0000000 10.55000 79.7% 32.3 0s
* 898 514 38 51.0000000 16.13065 68.4% 31.8 1s
H 1229 522 50.0000000 18.89873 62.2% 30.3 1s
H 1475 518 47.0000000 22.02703 53.1% 29.7 2s
3686 957 45.33803 27 155 47.00000 28.16667 40.1% 26.5 5s
8485 1610 37.74359 23 149 47.00000 32.56250 30.7% 24.5 10s
14171 1813 45.40845 27 156 47.00000 35.32500 24.8% 23.4 15s
20432 1482 cutoff 25 47.00000 37.50746 20.2% 22.7 20s
27118 720 44.86486 26 158 47.00000 40.42857 14.0% 22.3 25s
Explored 29337 nodes (646226 simplex iterations) in 26.48 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 4.700000000000e+01, best bound 4.700000000000e+01, gap 0.0%