Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:25 2012 Optimize a model with 1 rows, 162 columns and 162 nonzeros Model has 133 quadratic objective terms Presolve removed 0 rows and 29 columns Presolve time: 0.00s Presolved: 134 rows, 266 columns, 532 nonzeros Variable types: 0 continuous, 266 integer (265 binary) Found heuristic solution: objective 30.0000000 Root relaxation: objective 0.000000e+00, 160 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 26 30.00000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s 0 0 0.00000 0 16 22.00000 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 27 14.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 0 0.00000 0 26 11.00000 0.00000 100% - 0s 0 0 0.00000 0 14 11.00000 0.00000 100% - 0s 0 0 0.00000 0 18 11.00000 0.00000 100% - 0s 0 0 0.00000 0 15 11.00000 0.00000 100% - 0s 0 2 0.00000 0 14 11.00000 0.00000 100% - 0s H 16 16 7.0000000 0.00000 100% 1.6 0s H 89 49 5.0000000 0.00000 100% 2.3 0s H 341 104 4.0000000 0.00000 100% 8.8 0s * 396 64 10 3.0000000 1.00000 66.7% 13.1 0s Cutting planes: Cover: 226 MIR: 2 Zero half: 1 Explored 463 nodes (10008 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%