Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:28:36 2012
Optimize a model with 1 rows, 156 columns and 156 nonzeros
Model has 128 quadratic objective terms
Presolve removed 0 rows and 26 columns
Presolve time: 0.00s
Presolved: 129 rows, 258 columns, 514 nonzeros
Variable types: 0 continuous, 258 integer (257 binary)
Found heuristic solution: objective 33.0000000
Root relaxation: objective 0.000000e+00, 161 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 30 33.00000 0.00000 100% - 0s
H 0 0 29.0000000 0.00000 100% - 0s
0 0 0.00000 0 29 29.00000 0.00000 100% - 0s
H 0 0 26.0000000 0.00000 100% - 0s
0 0 0.00000 0 30 26.00000 0.00000 100% - 0s
H 0 0 22.0000000 0.00000 100% - 0s
0 0 0.00000 0 13 22.00000 0.00000 100% - 0s
H 0 0 12.0000000 0.00000 100% - 0s
0 0 0.00000 0 19 12.00000 0.00000 100% - 0s
0 0 0.00000 0 17 12.00000 0.00000 100% - 0s
H 0 0 10.0000000 0.00000 100% - 0s
0 2 0.00000 0 15 10.00000 0.00000 100% - 0s
H 53 44 9.0000000 0.00000 100% 1.5 0s
H 81 54 8.0000000 0.00000 100% 1.9 0s
* 96 59 21 7.0000000 0.00000 100% 1.8 0s
H 108 49 5.0000000 0.00000 100% 1.9 0s
* 121 39 20 4.0000000 0.00000 100% 1.9 0s
* 295 40 16 2.0000000 0.00000 100% 6.2 0s
Cutting planes:
Cover: 217
MIR: 1
Zero half: 1
Explored 390 nodes (4759 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%