Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:20 2012 Optimize a model with 1 rows, 169 columns and 169 nonzeros Model has 147 quadratic objective terms Presolve removed 0 rows and 15 columns Presolve time: 0.00s Presolved: 148 rows, 301 columns, 595 nonzeros Variable types: 0 continuous, 301 integer (300 binary) Found heuristic solution: objective 46.0000000 Root relaxation: objective 0.000000e+00, 193 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 43 46.00000 0.00000 100% - 0s H 0 0 34.0000000 0.00000 100% - 0s 0 0 0.00000 0 28 34.00000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s 0 0 0.00000 0 27 15.00000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s 0 0 0.00000 0 26 12.00000 0.00000 100% - 0s 0 0 0.00000 0 16 12.00000 0.00000 100% - 0s 0 0 0.00000 0 23 12.00000 0.00000 100% - 0s 0 0 0.00000 0 15 12.00000 0.00000 100% - 0s 0 0 0.00000 0 17 12.00000 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 8 10.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 7 7.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 8 5.00000 0.00000 100% - 0s 0 0 0.00000 0 8 5.00000 0.00000 100% - 0s 0 2 0.00000 0 8 5.00000 0.00000 100% - 0s H 81 19 4.0000000 0.00000 100% 2.0 0s H 315 68 3.0000000 0.00000 100% 7.5 0s * 317 33 16 2.0000000 0.00000 100% 7.5 0s H 352 5 1.0000000 0.00000 100% 10.9 0s Cutting planes: Cover: 224 MIR: 1 Explored 353 nodes (4503 simplex iterations) in 0.12 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%