Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:08:56 2012 Optimize a model with 1 rows, 21 columns and 21 nonzeros Model has 19 quadratic objective terms Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 20 rows, 38 columns, 76 nonzeros Variable types: 0 continuous, 38 integer (37 binary) Found heuristic solution: objective 3.0000000 Root relaxation: objective 0.000000e+00, 24 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 5 3.00000 0.00000 100% - 0s 0 0 0.00000 0 8 3.00000 0.00000 100% - 0s 0 0 0.00000 0 2 3.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.00000 0 4 2.00000 0.00000 100% - 0s 0 0 0.00000 0 4 2.00000 0.00000 100% - 0s 0 2 0.00000 0 4 2.00000 0.00000 100% - 0s * 30 2 8 1.0000000 0.00000 100% 3.6 0s Cutting planes: Cover: 19 MIR: 1 Explored 31 nodes (169 simplex iterations) in 0.01 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%