Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:58 2012 Optimize a model with 2142 rows, 1806 columns and 8064 nonzeros Presolve removed 89 rows and 210 columns Presolve time: 0.04s Presolved: 2053 rows, 1596 columns, 7644 nonzeros Variable types: 0 continuous, 1596 integer (1596 binary) Found heuristic solution: objective 19.0000000 Root relaxation: objective 3.000000e+00, 2208 iterations, 0.04 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% - 0s Explored 0 nodes (2576 simplex iterations) in 0.10 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%