Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:20 2012 Optimize a model with 1 rows, 30 columns and 30 nonzeros Model has 26 quadratic objective terms Presolve removed 0 rows and 3 columns Presolve time: 0.00s Presolved: 27 rows, 53 columns, 105 nonzeros Variable types: 0 continuous, 53 integer (52 binary) Found heuristic solution: objective 10.0000000 Root relaxation: objective 0.000000e+00, 34 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 10.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 3 5.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.00000 0 6 2.00000 0.00000 100% - 0s 0 0 0.00000 0 2 2.00000 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: 6 MIR: 1 Explored 0 nodes (69 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%