Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:22:14 2012 Optimize a model with 22949 rows, 29070 columns and 97068 nonzeros Presolve removed 376 rows and 5782 columns Presolve time: 0.57s Presolved: 22573 rows, 23288 columns, 90172 nonzeros Variable types: 0 continuous, 23288 integer (23288 binary) Found heuristic solution: objective 170.0000000 Root relaxation: objective 3.000000e+00, 15751 iterations, 1.67 seconds Total elapsed time = 6.69s 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% - 7s Explored 0 nodes (41368 simplex iterations) in 7.01 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%