Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:43:16 2012 Optimize a model with 146 rows, 465 columns and 465 nonzeros Model has 290 quadratic constraints Presolve removed 0 rows and 33 columns Presolve time: 1.69s Presolved: 146 rows, 432 columns, 432 nonzeros Variable types: 290 continuous, 142 integer (141 binary) Root relaxation: objective 0.000000e+00, 53 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 77.0000000 - - - 1s 0 0 0.00000 0 19 77.00000 0.00000 100% - 1s 0 0 0.00000 0 8 77.00000 0.00000 100% - 1s 0 0 0.00000 0 7 77.00000 0.00000 100% - 1s 0 2 0.00000 0 7 77.00000 0.00000 100% - 1s * 20 20 18 7.0000000 0.24390 96.5% 45.0 1s * 38 26 16 5.0000000 0.48421 90.3% 30.3 1s * 52 17 10 3.0000000 0.75862 74.7% 25.3 1s Cutting planes: Explored 108 nodes (3749 simplex iterations) in 1.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%