Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:53:44 2012 Optimize a model with 155 rows, 361 columns and 361 nonzeros Model has 308 quadratic constraints Presolve time: 1.80s Presolved: 155 rows, 361 columns, 361 nonzeros Variable types: 308 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 78.0000000 - - - 1s 0 0 0.00000 0 26 78.00000 0.00000 100% - 1s 0 0 0.00000 0 46 78.00000 0.00000 100% - 1s 0 0 0.00000 0 42 78.00000 0.00000 100% - 1s 0 2 0.00000 0 42 78.00000 0.00000 100% - 1s * 42 41 23 41.0000000 6.07661 85.2% 31.1 1s * 401 209 21 39.0000000 12.45923 68.1% 31.0 2s * 1243 392 41 38.0000000 17.15909 54.8% 33.2 3s * 1391 367 41 37.0000000 20.46429 44.7% 32.2 4s 2354 499 32.00000 34 220 37.00000 26.06250 29.6% 26.4 5s 5580 196 35.59459 35 193 37.00000 33.00000 10.8% 21.1 10s Explored 5854 nodes (122460 simplex iterations) in 10.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%