Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:58:25 2012 Optimize a model with 194 rows, 579 columns and 579 nonzeros Model has 386 quadratic constraints Presolve removed 0 rows and 22 columns Presolve time: 2.27s Presolved: 194 rows, 557 columns, 557 nonzeros Variable types: 386 continuous, 171 integer (170 binary) Root relaxation: objective 0.000000e+00, 69 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 99.0000000 - - - 2s 0 0 0.00000 0 115 99.00000 0.00000 100% - 2s 0 0 0.00000 0 149 99.00000 0.00000 100% - 2s 0 0 0.00000 0 147 99.00000 0.00000 100% - 2s 0 2 0.00000 0 147 99.00000 0.00000 100% - 2s H 27 27 17.0000000 1.85069 89.1% 41.8 2s H 54 54 15.0000000 1.85069 87.7% 26.4 2s * 59 48 34 11.0000000 1.85069 83.2% 25.8 2s H 101 45 10.0000000 2.01959 79.8% 24.4 2s H 248 49 9.0000000 5.76190 36.0% 20.4 2s H 266 49 9.0000000 5.76190 36.0% 19.8 2s * 285 17 10 8.0000000 6.75676 15.5% 19.7 2s Cutting planes: Gomory: 1 Explored 304 nodes (8041 simplex iterations) in 2.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%