Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:12:08 2013 Optimize a model with 170 rows, 10550 columns and 130605 nonzeros Presolve removed 5 rows and 245 columns Presolve time: 0.38s Presolved: 165 rows, 10305 columns, 120605 nonzeros Variable types: 10255 continuous, 50 integer (50 binary) Root relaxation: objective 9.601887e+03, 59 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 9601.88662 0 8 - 9601.88662 - - 0s 0 0 9604.22406 0 8 - 9604.22406 - - 0s 0 0 9604.22406 0 8 - 9604.22406 - - 0s H 0 0 9684.5026973 9604.22406 0.83% - 0s 0 0 9604.22406 0 8 9684.50270 9604.22406 0.83% - 1s 0 0 9604.22406 0 8 9684.50270 9604.22406 0.83% - 1s 0 2 9620.93226 0 8 9684.50270 9620.93226 0.66% - 1s * 11 8 10 9680.8822870 9623.87745 0.59% 7.7 1s * 32 11 17 9625.4355510 9624.19824 0.01% 4.8 1s * 33 6 17 9624.4892594 9624.19824 0.00% 4.7 1s Explored 34 nodes (533 simplex iterations) in 1.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.624489259406e+03, best bound 9.624198235873e+03, gap 0.0030%