Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:12 2012 Optimize a model with 174 rows, 526 columns and 526 nonzeros Model has 346 quadratic constraints Presolve removed 0 rows and 20 columns Presolve time: 2.02s Presolved: 174 rows, 506 columns, 506 nonzeros Variable types: 346 continuous, 160 integer (159 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 91.0000000 - - - 2s 0 0 0.00000 0 5 91.00000 0.00000 100% - 2s 0 0 0.00000 0 6 91.00000 0.00000 100% - 2s 0 0 0.00000 0 5 91.00000 0.00000 100% - 2s 0 2 0.00000 0 13 91.00000 0.00000 100% - 2s H 24 24 10.0000000 0.59155 94.1% 45.3 2s H 35 18 6.0000000 0.59459 90.1% 51.9 2s * 267 14 6 5.0000000 3.77193 24.6% 21.3 2s Cutting planes: Explored 284 nodes (6547 simplex iterations) in 2.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%