Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:49 2012 Optimize a model with 1 rows, 37 columns and 37 nonzeros Model has 38 quadratic objective terms Presolve removed 0 rows and 3 columns Presolve time: 0.00s Presolved: 39 rows, 72 columns, 148 nonzeros Variable types: 0 continuous, 72 integer (71 binary) Found heuristic solution: objective 17.0000000 Root relaxation: objective 0.000000e+00, 48 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 2 17.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.00000 0 5 2.00000 0.00000 100% - 0s 0 0 0.00000 0 3 2.00000 0.00000 100% - 0s 0 0 0.00000 0 27 2.00000 0.00000 100% - 0s 0 2 0.00000 0 27 2.00000 0.00000 100% - 0s Cutting planes: Cover: 60 Explored 84 nodes (555 simplex iterations) in 0.01 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%