Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:38:46 2012
Optimize a model with 9553 rows, 1190 columns and 29680 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.11s
Presolved: 9551 rows, 1188 columns, 31440 nonzeros
Variable types: 0 continuous, 1188 integer (1188 binary)
Found heuristic solution: objective 34.0000000
Root relaxation: objective 3.461187e+00, 9855 iterations, 0.83 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 3.46119 0 1052 34.00000 3.46119 89.8% - 1s
0 0 5.00000 0 99 34.00000 5.00000 85.3% - 3s
H 0 0 30.0000000 5.00000 83.3% - 3s
0 0 5.57143 0 557 30.00000 5.57143 81.4% - 3s
H 0 0 22.0000000 5.57143 74.7% - 3s
H 0 0 10.0000000 5.57143 44.3% - 3s
0 0 5.69231 0 118 10.00000 5.69231 43.1% - 4s
0 0 7.00000 0 113 10.00000 7.00000 30.0% - 4s
H 0 0 8.0000000 7.00000 12.5% - 4s
0 0 7.00000 0 129 8.00000 7.00000 12.5% - 4s
0 0 7.00000 0 90 8.00000 7.00000 12.5% - 4s
0 0 7.00000 0 94 8.00000 7.00000 12.5% - 4s
0 0 7.00000 0 104 8.00000 7.00000 12.5% - 4s
0 0 7.00000 0 66 8.00000 7.00000 12.5% - 5s
0 0 7.00000 0 84 8.00000 7.00000 12.5% - 5s
0 0 7.00000 0 65 8.00000 7.00000 12.5% - 5s
0 0 7.00000 0 20 8.00000 7.00000 12.5% - 5s
0 0 7.00000 0 25 8.00000 7.00000 12.5% - 5s
0 0 7.00000 0 25 8.00000 7.00000 12.5% - 5s
0 2 7.00000 0 25 8.00000 7.00000 12.5% - 5s
188 20 7.00000 18 61 8.00000 7.00000 12.5% 127 10s
1138 9 7.00000 19 65 8.00000 7.00000 12.5% 85.8 15s
Cutting planes:
Gomory: 30
Clique: 49
Zero half: 91
Explored 1719 nodes (177220 simplex iterations) in 18.04 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%