Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:10 2012 Optimize a model with 1 rows, 164 columns and 164 nonzeros Model has 141 quadratic objective terms Presolve removed 0 rows and 23 columns Presolve time: 0.00s Presolved: 142 rows, 282 columns, 564 nonzeros Variable types: 0 continuous, 282 integer (281 binary) Found heuristic solution: objective 36.0000000 Root relaxation: objective 0.000000e+00, 164 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 39 36.00000 0.00000 100% - 0s 0 0 0.00000 0 26 36.00000 0.00000 100% - 0s H 0 0 30.0000000 0.00000 100% - 0s 0 0 0.00000 0 25 30.00000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 0 0.00000 0 45 11.00000 0.00000 100% - 0s 0 0 0.00000 0 14 11.00000 0.00000 100% - 0s 0 0 0.00000 0 11 11.00000 0.00000 100% - 0s 0 0 0.00000 0 8 11.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 0 0.00000 0 6 6.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 5 5.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 6 4.00000 0.00000 100% - 0s 0 0 0.00000 0 5 4.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 0 0.00000 0 4 3.00000 0.00000 100% - 0s 0 0 0.00000 0 4 3.00000 0.00000 100% - 0s 0 0 0.00000 0 4 3.00000 0.00000 100% - 0s 0 2 0.00000 0 4 3.00000 0.00000 100% - 0s * 129 13 12 2.0000000 0.00000 100% 1.9 0s H 461 4 1.0000000 0.00000 100% 5.8 0s Cutting planes: Cover: 162 MIR: 3 Zero half: 2 Explored 462 nodes (3272 simplex iterations) in 0.11 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%