Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:44 2012 Optimize a model with 1 rows, 130 columns and 130 nonzeros Model has 100 quadratic objective terms Presolve removed 0 rows and 31 columns Presolve time: 0.00s Presolved: 101 rows, 199 columns, 399 nonzeros Variable types: 0 continuous, 199 integer (198 binary) Found heuristic solution: objective 21.0000000 Root relaxation: objective 0.000000e+00, 121 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 25 21.00000 0.00000 100% - 0s 0 0 0.00000 0 27 21.00000 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 15.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.00000 0 17 14.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 0 0.00000 0 10 11.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 10 9.00000 0.00000 100% - 0s 0 0 0.00000 0 8 9.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 2 0.00000 0 8 8.00000 0.00000 100% - 0s H 2 2 7.0000000 0.00000 100% 3.0 0s H 108 63 6.0000000 0.00000 100% 2.4 0s H 199 78 4.0000000 0.00000 100% 2.8 0s * 300 58 18 3.0000000 0.00000 100% 4.1 0s * 324 27 26 2.0000000 0.00000 100% 4.9 0s H 376 1 1.0000000 0.00000 100% 6.4 0s Cutting planes: Cover: 157 Explored 377 nodes (2811 simplex iterations) in 0.08 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%