Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:44:14 2012 Optimize a model with 151 rows, 380 columns and 380 nonzeros Model has 300 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 1.75s Presolved: 151 rows, 379 columns, 379 nonzeros Variable types: 300 continuous, 79 integer (78 binary) Root relaxation: objective 0.000000e+00, 40 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 79.0000000 - - - 1s 0 0 0.00000 0 55 79.00000 0.00000 100% - 1s 0 0 0.25774 0 77 79.00000 0.25774 100% - 1s 0 2 0.29060 0 77 79.00000 0.29060 100% - 1s * 39 37 25 29.0000000 3.63782 87.5% 33.3 1s H 91 66 27.0000000 6.08159 77.5% 34.2 1s H 125 78 23.0000000 6.08547 73.5% 32.5 1s * 530 120 13 22.0000000 14.19697 35.5% 29.5 2s Cutting planes: Gomory: 1 Explored 1191 nodes (32193 simplex iterations) in 2.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%