Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:57:40 2012 Optimize a model with 1 rows, 24 columns and 24 nonzeros Model has 148 quadratic objective terms Modified 24 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 24 columns, 24 nonzeros Presolved model has 172 quadratic objective terms Variable types: 0 continuous, 24 integer (24 binary) Found heuristic solution: objective 72.0000000 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 72.00000 0.00000 100% - 0s H 0 0 64.0000000 0.00000 100% - 0s 0 2 3.14378 0 24 64.00000 3.14378 95.1% - 0s * 395 286 16 60.0000000 13.01914 78.3% 2.0 0s H 979 477 59.0000000 18.45554 68.7% 2.1 0s 95809 9075 55.64723 25 8 59.00000 50.16720 15.0% 2.0 5s Explored 130229 nodes (263396 simplex iterations) in 6.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.900000000000e+01, best bound 5.900000000000e+01, gap 0.0%