Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:08:54 2012 Optimize a model with 1 rows, 20 columns and 20 nonzeros Model has 13 quadratic objective terms Presolve removed 0 rows and 4 columns Presolve time: 0.00s Presolved: 14 rows, 29 columns, 55 nonzeros Variable types: 0 continuous, 29 integer (28 binary) Found heuristic solution: objective 5.0000000 Root relaxation: objective 0.000000e+00, 17 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 1 5.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s 0 0 0.00000 0 1 1.00000 0.00000 100% - 0s 0 0 infeasible 0 1.00000 0.00000 100% - 0s Cutting planes: Cover: 1 Explored 0 nodes (21 simplex iterations) in 0.00 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%