Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:24 2012 Optimize a model with 1 rows, 142 columns and 142 nonzeros Model has 102 quadratic objective terms Presolve removed 0 rows and 29 columns Presolve time: 0.00s Presolved: 103 rows, 215 columns, 419 nonzeros Variable types: 0 continuous, 215 integer (214 binary) Found heuristic solution: objective 22.0000000 Root relaxation: objective 0.000000e+00, 137 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 20 22.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.00000 0 15 16.00000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s 0 0 0.00000 0 12 10.00000 0.00000 100% - 0s 0 0 0.00000 0 12 10.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 10 7.00000 0.00000 100% - 0s 0 0 0.00000 0 9 7.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 11 5.00000 0.00000 100% - 0s 0 0 0.00000 0 9 5.00000 0.00000 100% - 0s 0 0 0.00000 0 8 5.00000 0.00000 100% - 0s 0 0 0.00000 0 6 5.00000 0.00000 100% - 0s 0 0 0.00000 0 10 5.00000 0.00000 100% - 0s 0 0 0.00000 0 10 5.00000 0.00000 100% - 0s 0 2 0.00000 0 10 5.00000 0.00000 100% - 0s H 129 39 3.0000000 0.00000 100% 2.5 0s H 242 43 2.0000000 0.00000 100% 3.4 0s H 304 6 1.0000000 0.00000 100% 5.1 0s Cutting planes: Cover: 119 Explored 305 nodes (1987 simplex iterations) in 0.06 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%