Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:31:39 2012 Optimize a model with 242 rows, 699 columns and 699 nonzeros Model has 482 quadratic constraints Presolve removed 0 rows and 15 columns Presolve time: 2.81s Presolved: 242 rows, 684 columns, 684 nonzeros Variable types: 482 continuous, 202 integer (201 binary) Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 109.0000000 - - - 2s 0 0 0.00000 0 98 109.00000 0.00000 100% - 2s 0 0 0.00000 0 142 109.00000 0.00000 100% - 2s 0 0 0.00000 0 142 109.00000 0.00000 100% - 2s 0 2 0.00000 0 135 109.00000 0.00000 100% - 3s H 37 37 19.0000000 2.48276 86.9% 41.4 3s H 87 50 15.0000000 4.69544 68.7% 26.7 3s 691 246 10.47609 15 574 15.00000 8.40057 44.0% 31.8 5s * 2465 178 31 14.0000000 11.00990 21.4% 30.7 9s Explored 2706 nodes (85542 simplex iterations) in 9.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%