Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:17 2012 Optimize a model with 1 rows, 149 columns and 149 nonzeros Model has 114 quadratic objective terms Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 115 rows, 238 columns, 466 nonzeros Variable types: 0 continuous, 238 integer (237 binary) Found heuristic solution: objective 29.0000000 Root relaxation: objective 0.000000e+00, 146 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 27 29.00000 0.00000 100% - 0s H 0 0 23.0000000 0.00000 100% - 0s 0 0 0.00000 0 12 23.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 13 9.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 8 8.00000 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 0 0 0.00000 0 8 6.00000 0.00000 100% - 0s 0 2 0.00000 0 8 6.00000 0.00000 100% - 0s H 9 9 5.0000000 0.00000 100% 3.3 0s H 11 11 4.0000000 0.00000 100% 3.0 0s * 22 16 13 3.0000000 0.00000 100% 2.8 0s H 274 85 2.0000000 0.00000 100% 4.4 0s * 365 30 11 1.0000000 0.00000 100% 5.7 0s Cutting planes: Cover: 148 Explored 366 nodes (2389 simplex iterations) in 0.08 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%