Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:44:10 2012 Optimize a model with 13259 rows, 17030 columns and 56158 nonzeros Presolve removed 522 rows and 2 columns Presolve time: 0.23s Presolved: 12867 rows, 17028 columns, 71562 nonzeros Variable types: 0 continuous, 17028 integer (17028 binary) Found heuristic solution: objective 130.0000000 Root relaxation: objective 3.000000e+00, 8148 iterations, 0.58 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 50 130.00000 3.00000 97.7% - 2s H 0 0 3.0000000 3.00000 0.0% - 2s Explored 0 nodes (23855 simplex iterations) in 2.87 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%