Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:14 2012 Optimize a model with 131 rows, 412 columns and 412 nonzeros Model has 260 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 1.52s Presolved: 131 rows, 387 columns, 387 nonzeros Variable types: 260 continuous, 127 integer (126 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 70.0000000 - - - 1s 0 0 0.00000 0 4 70.00000 0.00000 100% - 1s 0 0 0.00000 0 68 70.00000 0.00000 100% - 1s 0 0 0.00000 0 68 70.00000 0.00000 100% - 1s 0 2 0.00000 0 65 70.00000 0.00000 100% - 1s * 13 12 12 2.0000000 0.50000 75.0% 30.8 1s Cutting planes: Explored 36 nodes (1745 simplex iterations) in 1.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%