Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:56 2012
Optimize a model with 1 rows, 166 columns and 166 nonzeros
Model has 139 quadratic objective terms
Presolve removed 0 rows and 27 columns
Presolve time: 0.00s
Presolved: 140 rows, 278 columns, 556 nonzeros
Variable types: 0 continuous, 278 integer (277 binary)
Found heuristic solution: objective 38.0000000
Root relaxation: objective 0.000000e+00, 167 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 40 38.00000 0.00000 100% - 0s
0 0 0.00000 0 35 38.00000 0.00000 100% - 0s
H 0 0 33.0000000 0.00000 100% - 0s
0 0 0.00000 0 40 33.00000 0.00000 100% - 0s
H 0 0 22.0000000 0.00000 100% - 0s
H 0 0 20.0000000 0.00000 100% - 0s
0 0 0.00000 0 25 20.00000 0.00000 100% - 0s
H 0 0 17.0000000 0.00000 100% - 0s
0 0 0.00000 0 15 17.00000 0.00000 100% - 0s
H 0 0 13.0000000 0.00000 100% - 0s
0 0 0.00000 0 17 13.00000 0.00000 100% - 0s
H 0 0 11.0000000 0.00000 100% - 0s
0 0 0.00000 0 13 11.00000 0.00000 100% - 0s
0 0 0.00000 0 14 11.00000 0.00000 100% - 0s
0 0 0.00000 0 14 11.00000 0.00000 100% - 0s
H 0 0 8.0000000 0.00000 100% - 0s
0 2 0.00000 0 14 8.00000 0.00000 100% - 0s
H 54 32 7.0000000 0.00000 100% 2.7 0s
H 81 41 6.0000000 0.00000 100% 3.5 0s
* 257 79 21 5.0000000 0.00000 100% 5.0 0s
H 435 109 3.0000000 0.00000 100% 6.2 0s
H 495 61 2.0000000 0.18182 90.9% 7.7 0s
H 500 0 1.0000000 0.36842 63.2% 7.7 0s
Cutting planes:
Cover: 238
MIR: 2
Zero half: 1
Explored 500 nodes (4486 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%