Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:58:29 2012 Optimize a model with 137 rows, 327 columns and 327 nonzeros Model has 272 quadratic constraints Presolve time: 1.58s Presolved: 137 rows, 327 columns, 327 nonzeros Variable types: 272 continuous, 55 integer (55 binary) Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 64.0000000 - - - 1s 0 0 0.00000 0 2 64.00000 0.00000 100% - 1s 0 0 0.00000 0 54 64.00000 0.00000 100% - 1s 0 0 0.00000 0 52 64.00000 0.00000 100% - 1s 0 2 0.00000 0 52 64.00000 0.00000 100% - 1s H 44 44 39.0000000 5.83333 85.0% 32.7 1s * 73 62 18 34.0000000 5.92187 82.6% 30.1 1s * 142 87 17 30.0000000 6.48276 78.4% 31.8 1s 3501 610 cutoff 39 30.00000 23.00190 23.3% 22.0 5s Explored 6369 nodes (118944 simplex iterations) in 6.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%