Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:48 2012 Optimize a model with 1 rows, 46 columns and 46 nonzeros Model has 43 quadratic objective terms Presolve removed 0 rows and 6 columns Presolve time: 0.00s Presolved: 44 rows, 83 columns, 169 nonzeros Variable types: 0 continuous, 83 integer (82 binary) Found heuristic solution: objective 13.0000000 Root relaxation: objective 0.000000e+00, 55 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 9 13.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 9 8.00000 0.00000 100% - 0s 0 0 0.00000 0 4 8.00000 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 6 4.00000 0.00000 100% - 0s 0 2 0.00000 0 6 4.00000 0.00000 100% - 0s H 106 23 3.0000000 0.00000 100% 4.0 0s Cutting planes: Gomory: 1 Cover: 79 Explored 185 nodes (1385 simplex iterations) in 0.03 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%