Gurobi 5.0.1 (linux64) logging started Sun Nov 18 02:51:37 2012
Optimize a model with 393 rows, 261 columns and 1241 nonzeros
Presolve time: 0.00s
Presolved: 393 rows, 261 columns, 1241 nonzeros
Variable types: 0 continuous, 261 integer (261 binary)
Found heuristic solution: objective 96.0000000
Root relaxation: objective 0.000000e+00, 108 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 65 96.00000 0.00000 100% - 0s
H 0 0 87.0000000 0.00000 100% - 0s
H 0 0 85.0000000 0.00000 100% - 0s
H 0 0 83.0000000 0.00000 100% - 0s
0 0 0.56058 0 67 83.00000 0.56058 99.3% - 0s
H 0 0 80.0000000 0.56058 99.3% - 0s
0 0 0.59231 0 67 80.00000 0.59231 99.3% - 0s
H 0 0 75.0000000 0.59231 99.2% - 0s
0 0 0.63462 0 67 75.00000 0.63462 99.2% - 0s
0 0 0.63462 0 67 75.00000 0.63462 99.2% - 0s
0 0 0.63814 0 70 75.00000 0.63814 99.1% - 0s
0 2 0.70833 0 70 75.00000 0.70833 99.1% - 0s
* 49 44 28 68.0000000 4.46667 93.4% 29.0 0s
* 104 86 35 62.0000000 4.49038 92.8% 26.0 0s
* 105 82 35 61.0000000 4.49038 92.6% 25.9 0s
H 108 77 60.0000000 6.87500 88.5% 25.4 0s
* 152 112 30 58.0000000 6.94766 88.0% 26.0 0s
H 189 122 55.0000000 6.96875 87.3% 28.0 0s
* 224 147 20 54.0000000 6.96875 87.1% 28.0 0s
* 338 221 21 53.0000000 9.52694 82.0% 28.7 0s
* 679 369 29 51.0000000 15.88889 68.8% 28.5 0s
* 1370 394 28 49.0000000 23.62264 51.8% 29.1 1s
* 1603 380 27 48.0000000 24.82222 48.3% 28.8 1s
4466 760 46.68750 21 123 48.00000 31.87500 33.6% 25.4 5s
10143 903 45.91667 21 128 48.00000 37.14286 22.6% 23.5 10s
Cutting planes:
Gomory: 1
Mod-K: 4
Explored 17377 nodes (382650 simplex iterations) in 14.83 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 4.800000000000e+01, best bound 4.800000000000e+01, gap 0.0%