Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:34 2012 Optimize a model with 1 rows, 150 columns and 150 nonzeros Model has 123 quadratic objective terms Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 124 rows, 247 columns, 493 nonzeros Variable types: 0 continuous, 247 integer (246 binary) Found heuristic solution: objective 35.0000000 Root relaxation: objective 0.000000e+00, 147 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 35 35.00000 0.00000 100% - 0s 0 0 0.00000 0 24 35.00000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s 0 0 0.00000 0 21 24.00000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 26 8.00000 0.00000 100% - 0s 0 0 0.00000 0 14 8.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 0 0.00000 0 12 6.00000 0.00000 100% - 0s 0 0 0.00000 0 11 6.00000 0.00000 100% - 0s 0 0 0.00000 0 8 6.00000 0.00000 100% - 0s 0 0 0.00000 0 10 6.00000 0.00000 100% - 0s 0 0 0.00000 0 10 6.00000 0.00000 100% - 0s 0 0 0.00000 0 9 6.00000 0.00000 100% - 0s 0 0 0.00000 0 9 6.00000 0.00000 100% - 0s 0 0 0.00000 0 9 6.00000 0.00000 100% - 0s 0 2 0.00000 0 9 6.00000 0.00000 100% - 0s H 28 14 4.0000000 0.00000 100% 2.1 0s H 446 113 3.0000000 0.00000 100% 7.7 0s * 601 33 28 2.0000000 1.00000 50.0% 10.5 0s Cutting planes: Cover: 215 MIR: 5 Explored 635 nodes (9257 simplex iterations) in 0.19 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%