Gurobi 5.0.1 (linux64) logging started Fri Nov 16 16:16:12 2012 Optimize a model with 9225 rows, 5700 columns and 33075 nonzeros Presolve removed 976 rows and 75 columns Presolve time: 0.16s Presolved: 8249 rows, 5625 columns, 30600 nonzeros Variable types: 0 continuous, 5625 integer (5625 binary) Found heuristic solution: objective 45.0000000 Root relaxation: objective 3.000000e+00, 8339 iterations, 0.65 seconds 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% - 1s Explored 0 nodes (12656 simplex iterations) in 1.37 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%