Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:28:42 2012 Optimize a model with 130 rows, 414 columns and 414 nonzeros Model has 258 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 1.51s Presolved: 130 rows, 389 columns, 389 nonzeros Variable types: 258 continuous, 131 integer (130 binary) Root relaxation: objective 0.000000e+00, 47 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 61.0000000 - - - 1s 0 0 0.00000 0 2 61.00000 0.00000 100% - 1s 0 0 0.00000 0 29 61.00000 0.00000 100% - 1s 0 0 0.00000 0 58 61.00000 0.00000 100% - 1s 0 2 0.00000 0 58 61.00000 0.00000 100% - 1s * 4 4 3 1.0000000 0.45946 54.1% 130 1s Cutting planes: Explored 10 nodes (1584 simplex iterations) in 1.57 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%