Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:20:52 2012 Optimize a model with 97 rows, 317 columns and 317 nonzeros Model has 192 quadratic constraints Presolve removed 0 rows and 21 columns Presolve time: 1.12s Presolved: 97 rows, 296 columns, 296 nonzeros Variable types: 192 continuous, 104 integer (103 binary) Root relaxation: objective 0.000000e+00, 37 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 48.0000000 - - - 1s 0 0 0.00000 0 3 48.00000 0.00000 100% - 1s 0 0 0.00000 0 31 48.00000 0.00000 100% - 1s 0 0 0.00000 0 28 48.00000 0.00000 100% - 1s 0 2 0.00000 0 28 48.00000 0.00000 100% - 1s H 8 8 7.0000000 0.23077 96.7% 55.6 1s * 12 9 7 1.0000000 0.23077 76.9% 47.0 1s Cutting planes: Explored 59 nodes (1508 simplex iterations) in 1.17 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%