Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:25:42 2012 Optimize a model with 1 rows, 147 columns and 147 nonzeros Model has 119 quadratic objective terms Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 120 rows, 240 columns, 478 nonzeros Variable types: 0 continuous, 240 integer (239 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 0.000000e+00, 149 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 37 39.00000 0.00000 100% - 0s H 0 0 35.0000000 0.00000 100% - 0s 0 0 0.00000 0 31 35.00000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s 0 0 0.00000 0 24 33.00000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s 0 0 0.00000 0 32 17.00000 0.00000 100% - 0s 0 0 0.00000 0 11 17.00000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s 0 0 0.00000 0 11 10.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 0 0.00000 0 8 6.00000 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 106 29 3.0000000 0.00000 100% 2.8 0s * 263 38 22 2.0000000 0.00000 100% 3.8 0s Cutting planes: Gomory: 1 Cover: 188 MIR: 1 Zero half: 1 Explored 392 nodes (4138 simplex iterations) in 0.09 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%