Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:42 2012 Optimize a model with 176 rows, 535 columns and 535 nonzeros Model has 350 quadratic constraints Presolve removed 0 rows and 29 columns Presolve time: 2.04s Presolved: 176 rows, 506 columns, 506 nonzeros Variable types: 350 continuous, 156 integer (155 binary) Root relaxation: objective 0.000000e+00, 63 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 81.0000000 - - - 2s 0 0 0.00000 0 94 81.00000 0.00000 100% - 2s 0 0 0.00000 0 108 81.00000 0.00000 100% - 2s 0 0 0.00000 0 90 81.00000 0.00000 100% - 2s 0 2 0.00000 0 90 81.00000 0.00000 100% - 2s * 36 26 28 8.0000000 2.12632 73.4% 32.2 2s H 96 58 8.0000000 2.56250 68.0% 20.7 2s * 375 76 10 7.0000000 4.68807 33.0% 14.7 2s Cutting planes: Gomory: 1 Explored 514 nodes (9636 simplex iterations) in 2.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%