Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:28:33 2012 Optimize a model with 146 rows, 341 columns and 341 nonzeros Model has 290 quadratic constraints Presolve time: 1.69s Presolved: 146 rows, 341 columns, 341 nonzeros Variable types: 290 continuous, 51 integer (51 binary) Root relaxation: objective 0.000000e+00, 25 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 22 78.00000 0.00000 100% - 1s 0 0 0.00000 0 39 78.00000 0.00000 100% - 1s 0 0 0.00000 0 27 78.00000 0.00000 100% - 1s 0 2 0.00000 0 27 78.00000 0.00000 100% - 1s * 44 44 25 44.0000000 7.30820 83.4% 33.1 1s H 110 81 40.0000000 10.08542 74.8% 31.3 1s * 113 81 22 39.0000000 10.08542 74.1% 31.0 1s * 372 175 15 38.0000000 16.14815 57.5% 29.8 2s * 658 266 42 36.0000000 20.08333 44.2% 33.2 2s H 2121 298 35.0000000 25.76923 26.4% 29.5 4s 2504 274 29.50000 44 179 35.00000 27.50000 21.4% 27.9 5s Explored 3659 nodes (87496 simplex iterations) in 6.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.500000000000e+01, best bound 3.500000000000e+01, gap 0.0%