Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:10:10 2012 Optimize a model with 23308 rows, 26732 columns and 95842 nonzeros Presolve removed 654 rows and 2 columns Presolve time: 0.49s Presolved: 22817 rows, 26730 columns, 120503 nonzeros Variable types: 0 continuous, 26730 integer (26730 binary) Found heuristic solution: objective 163.0000000 Root relaxation: objective 3.000000e+00, 14467 iterations, 1.62 seconds Total elapsed time = 8.72s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 312 163.00000 3.00000 98.2% - 9s H 0 0 3.0000000 3.00000 0.0% - 9s Explored 0 nodes (43288 simplex iterations) in 9.98 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%