Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:58:04 2012 Optimize a model with 20635 rows, 23870 columns and 85006 nonzeros Presolve removed 310 rows and 2 columns Presolve time: 0.41s Presolved: 20479 rows, 23868 columns, 107688 nonzeros Variable types: 0 continuous, 23868 integer (23868 binary) Found heuristic solution: objective 154.0000000 Root relaxation: objective 3.000000e+00, 13298 iterations, 1.35 seconds Total elapsed time = 7.53s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 42 154.00000 3.00000 98.1% - 8s H 0 0 3.0000000 3.00000 0.0% - 8s Explored 0 nodes (41414 simplex iterations) in 8.85 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%