Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:09 2012 Optimize a model with 1 rows, 132 columns and 132 nonzeros Model has 93 quadratic objective terms Presolve removed 0 rows and 30 columns Presolve time: 0.00s Presolved: 94 rows, 195 columns, 381 nonzeros Variable types: 0 continuous, 195 integer (194 binary) Found heuristic solution: objective 24.0000000 Root relaxation: objective 0.000000e+00, 107 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 16 24.00000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s 0 0 0.00000 0 11 15.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 0 0.00000 0 11 11.00000 0.00000 100% - 0s 0 0 0.00000 0 4 11.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 5 4.00000 0.00000 100% - 0s 0 0 0.00000 0 9 4.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 0 0.00000 0 5 3.00000 0.00000 100% - 0s 0 0 0.00000 0 6 3.00000 0.00000 100% - 0s 0 0 0.00000 0 4 3.00000 0.00000 100% - 0s 0 2 0.00000 0 4 3.00000 0.00000 100% - 0s * 12 7 9 2.0000000 0.00000 100% 1.6 0s * 75 5 29 1.0000000 0.00000 100% 1.9 0s Cutting planes: Cover: 16 Explored 76 nodes (433 simplex iterations) in 0.03 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%