Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:40 2012 Optimize a model with 122 rows, 392 columns and 392 nonzeros Model has 242 quadratic constraints Presolve removed 0 rows and 24 columns Presolve time: 1.41s Presolved: 122 rows, 368 columns, 368 nonzeros Variable types: 242 continuous, 126 integer (125 binary) Root relaxation: objective 0.000000e+00, 45 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 66.0000000 - - - 1s 0 0 0.00000 0 2 66.00000 0.00000 100% - 1s 0 0 0.00000 0 52 66.00000 0.00000 100% - 1s 0 0 0.00000 0 50 66.00000 0.00000 100% - 1s 0 2 0.00000 0 50 66.00000 0.00000 100% - 1s * 12 12 8 2.0000000 0.21212 89.4% 44.9 1s H 72 21 2.0000000 0.31579 84.2% 11.6 1s * 143 2 2 1.0000000 0.55000 45.0% 9.9 1s Cutting planes: Explored 146 nodes (2368 simplex iterations) in 1.51 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%