Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:36:38 2012 Optimize a model with 159 rows, 483 columns and 483 nonzeros Model has 316 quadratic constraints Presolve removed 0 rows and 28 columns Presolve time: 1.83s Presolved: 159 rows, 455 columns, 455 nonzeros Variable types: 316 continuous, 139 integer (138 binary) Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 75.0000000 - - - 1s 0 0 0.00000 0 50 75.00000 0.00000 100% - 1s 0 0 0.00000 0 87 75.00000 0.00000 100% - 1s 0 0 0.00000 0 87 75.00000 0.00000 100% - 1s 0 2 0.00000 0 122 75.00000 0.00000 100% - 2s H 16 16 9.0000000 1.09524 87.8% 55.1 2s * 57 14 7 5.0000000 1.33333 73.3% 25.6 2s Cutting planes: Gomory: 5 Explored 135 nodes (4197 simplex iterations) in 2.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%