Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:12:11 2013 Optimize a model with 170 rows, 10550 columns and 130605 nonzeros Presolve removed 5 rows and 245 columns Presolve time: 0.54s Presolved: 165 rows, 10305 columns, 120605 nonzeros Variable types: 10255 continuous, 50 integer (50 binary) Root relaxation: objective 1.204447e+04, 68 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12044.4669 0 8 - 12044.4669 - - 0s 0 0 12044.5159 0 8 - 12044.5159 - - 0s 0 0 12097.6211 0 5 - 12097.6211 - - 0s 0 0 12097.6211 0 5 - 12097.6211 - - 0s H 0 0 12165.773596 12097.6211 0.56% - 0s 0 0 12097.6211 0 5 12165.7736 12097.6211 0.56% - 1s 0 0 12097.6855 0 6 12165.7736 12097.6855 0.56% - 1s 0 0 12097.6855 0 6 12165.7736 12097.6855 0.56% - 1s H 0 0 12097.776352 12097.6855 0.00% - 1s Explored 0 nodes (477 simplex iterations) in 1.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209777635186e+04, best bound 1.209768546134e+04, gap 0.0008%