Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:25:10 2012 Optimize a model with 1 rows, 145 columns and 145 nonzeros Model has 109 quadratic objective terms Presolve removed 0 rows and 34 columns Presolve time: 0.00s Presolved: 110 rows, 220 columns, 438 nonzeros Variable types: 0 continuous, 220 integer (219 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 0.000000e+00, 126 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 26 26.00000 0.00000 100% - 0s 0 0 0.00000 0 12 26.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 7 8.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 15 5.00000 0.00000 100% - 0s 0 0 0.00000 0 7 5.00000 0.00000 100% - 0s 0 0 0.00000 0 7 5.00000 0.00000 100% - 0s 0 0 0.00000 0 12 5.00000 0.00000 100% - 0s 0 0 0.00000 0 12 5.00000 0.00000 100% - 0s 0 2 0.00000 0 11 5.00000 0.00000 100% - 0s * 52 27 13 4.0000000 0.00000 100% 1.8 0s H 235 62 3.0000000 0.00000 100% 4.2 0s H 241 45 2.0000000 0.00000 100% 4.2 0s * 374 1 10 1.0000000 0.00000 100% 8.7 0s Cutting planes: Gomory: 1 Cover: 176 Explored 375 nodes (3579 simplex iterations) in 0.09 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%