Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:11:19 2012 Optimize a model with 22139 rows, 27060 columns and 92658 nonzeros Presolve removed 658 rows and 2 columns Presolve time: 0.48s Presolved: 21645 rows, 27058 columns, 117652 nonzeros Variable types: 0 continuous, 27058 integer (27058 binary) Found heuristic solution: objective 164.0000000 Root relaxation: objective 3.000000e+00, 13699 iterations, 1.41 seconds Total elapsed time = 7.01s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 8s Explored 0 nodes (41339 simplex iterations) in 8.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%