Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:32 2012 Optimize a model with 1 rows, 129 columns and 129 nonzeros Model has 102 quadratic objective terms Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 103 rows, 205 columns, 409 nonzeros Variable types: 0 continuous, 205 integer (204 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 0.000000e+00, 128 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 26.00000 0.00000 100% - 0s 0 0 0.00000 0 26 26.00000 0.00000 100% - 0s 0 0 0.00000 0 17 26.00000 0.00000 100% - 0s H 0 0 13.0000000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s 0 0 0.00000 0 9 10.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 10 8.00000 0.00000 100% - 0s 0 0 0.00000 0 10 8.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 2 0.00000 0 10 6.00000 0.00000 100% - 0s * 27 19 20 5.0000000 0.00000 100% 2.4 0s * 91 38 24 4.0000000 0.00000 100% 2.8 0s H 382 49 2.0000000 0.00000 100% 5.6 0s Cutting planes: Cover: 175 MIR: 1 Explored 474 nodes (4993 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%