Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:52:12 2012 Optimize a model with 137 rows, 319 columns and 319 nonzeros Model has 272 quadratic constraints Presolve time: 1.58s Presolved: 137 rows, 319 columns, 319 nonzeros Variable types: 272 continuous, 47 integer (47 binary) Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 63.0000000 - - - 1s 0 0 0.00000 0 16 63.00000 0.00000 100% - 1s 0 0 0.00000 0 31 63.00000 0.00000 100% - 1s 0 0 0.00000 0 27 63.00000 0.00000 100% - 1s 0 2 0.00000 0 27 63.00000 0.00000 100% - 1s H 45 45 48.0000000 3.69231 92.3% 25.3 1s * 45 45 28 47.0000000 3.69231 92.1% 25.4 1s * 78 65 21 44.0000000 5.00000 88.6% 25.2 1s H 108 77 39.0000000 5.09091 86.9% 25.1 1s * 109 75 19 38.0000000 5.09091 86.6% 25.2 1s * 155 111 19 36.0000000 5.90476 83.6% 27.7 1s H 189 126 34.0000000 6.71429 80.3% 29.7 1s * 3192 430 35 33.0000000 27.53986 16.5% 21.4 4s 3536 356 30.50000 32 189 33.00000 28.50000 13.6% 20.8 5s Explored 4165 nodes (82394 simplex iterations) in 5.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%