Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:13:19 2012 Optimize a model with 2537 rows, 2256 columns and 9633 nonzeros Presolve removed 100 rows and 190 columns Presolve time: 0.11s Presolved: 2437 rows, 2066 columns, 9106 nonzeros Variable types: 0 continuous, 2066 integer (2066 binary) Found heuristic solution: objective 47.0000000 Root relaxation: objective 3.000000e+00, 1258 iterations, 0.03 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 (2642 simplex iterations) in 0.19 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%