Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:54:34 2012 Optimize a model with 6967 rows, 10920 columns and 31302 nonzeros Presolve removed 210 rows and 2 columns Presolve time: 0.15s Presolved: 6861 rows, 10918 columns, 41468 nonzeros Variable types: 0 continuous, 10918 integer (10918 binary) Found heuristic solution: objective 104.0000000 Root relaxation: objective 3.000000e+00, 4314 iterations, 0.21 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 (14368 simplex iterations) in 1.41 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%