Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:33 2012 Optimize a model with 91 rows, 309 columns and 309 nonzeros Model has 180 quadratic constraints Presolve removed 0 rows and 34 columns Presolve time: 1.05s Presolved: 91 rows, 275 columns, 275 nonzeros Variable types: 180 continuous, 95 integer (94 binary) Root relaxation: objective 0.000000e+00, 35 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 37.0000000 - - - 1s 0 0 0.00000 0 34 37.00000 0.00000 100% - 1s 0 0 0.00000 0 62 37.00000 0.00000 100% - 1s 0 0 0.00000 0 51 37.00000 0.00000 100% - 1s 0 2 0.00000 0 51 37.00000 0.00000 100% - 1s * 9 9 7 2.0000000 0.05421 97.3% 48.4 1s * 14 9 11 1.0000000 0.05421 94.6% 40.8 1s Cutting planes: Gomory: 3 Explored 28 nodes (1846 simplex iterations) in 1.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%