Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:54:01 2012 Optimize a model with 124 rows, 299 columns and 299 nonzeros Model has 246 quadratic constraints Presolve time: 1.44s Presolved: 124 rows, 299 columns, 299 nonzeros Variable types: 246 continuous, 53 integer (53 binary) 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 H 0 0 55.0000000 - - - 1s 0 0 0.00000 0 20 55.00000 0.00000 100% - 1s 0 0 0.00000 0 33 55.00000 0.00000 100% - 1s 0 0 0.00000 0 32 55.00000 0.00000 100% - 1s 0 2 0.00000 0 32 55.00000 0.00000 100% - 1s * 35 35 24 34.0000000 4.69565 86.2% 24.8 1s * 61 51 18 32.0000000 4.83333 84.9% 24.0 1s H 81 60 31.0000000 5.94118 80.8% 26.8 1s * 148 95 15 29.0000000 8.66667 70.1% 24.9 1s * 234 116 19 28.0000000 9.33333 66.7% 22.5 1s * 281 128 17 27.0000000 10.50000 61.1% 22.3 1s * 481 146 12 26.0000000 14.66667 43.6% 23.2 1s * 1188 99 16 25.0000000 20.42857 18.3% 24.5 2s * 1378 6 10 24.0000000 23.86000 0.58% 24.0 2s Cutting planes: Gomory: 1 Explored 1385 nodes (33427 simplex iterations) in 2.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%