Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:55:26 2012 Optimize a model with 134 rows, 320 columns and 320 nonzeros Model has 266 quadratic constraints Presolve time: 1.55s Presolved: 134 rows, 320 columns, 320 nonzeros Variable types: 266 continuous, 54 integer (54 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 74.0000000 - - - 1s 0 0 0.00000 0 34 74.00000 0.00000 100% - 1s 0 0 0.10483 0 41 74.00000 0.10483 100% - 1s 0 2 0.11779 0 41 74.00000 0.11779 100% - 1s * 38 38 25 35.0000000 5.04386 85.6% 21.7 1s H 93 68 32.0000000 6.55217 79.5% 23.7 1s * 118 81 15 31.0000000 6.56920 78.8% 26.5 1s H 247 107 29.0000000 9.83333 66.1% 23.3 1s 3889 596 cutoff 42 29.00000 23.00000 20.7% 19.0 5s Explored 5765 nodes (102050 simplex iterations) in 6.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.900000000038e+01, best bound 2.900000000038e+01, gap 0.0%