Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:57:28 2012 Optimize a model with 1 rows, 24 columns and 24 nonzeros Model has 142 quadratic objective terms Modified 24 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 24 columns, 24 nonzeros Presolved model has 166 quadratic objective terms Variable types: 0 continuous, 24 integer (24 binary) Found heuristic solution: objective 66.0000000 Root relaxation: objective 0.000000e+00, 26 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 24 66.00000 0.00000 100% - 0s H 0 0 61.0000000 0.00000 100% - 0s 0 2 3.94664 0 24 61.00000 3.94664 93.5% - 0s H 130 99 58.0000000 9.65911 83.3% 2.1 0s H 726 462 57.0000000 16.06705 71.8% 2.1 0s Explored 98168 nodes (199085 simplex iterations) in 4.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.700000000000e+01, best bound 5.700000000000e+01, gap 0.0%