Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:07:16 2012 Optimize a model with 23489 rows, 26406 columns and 96064 nonzeros Presolve removed 678 rows and 4538 columns Presolve time: 0.54s Presolved: 22811 rows, 21868 columns, 89626 nonzeros Variable types: 0 continuous, 21868 integer (21868 binary) Found heuristic solution: objective 162.0000000 Root relaxation: objective 3.000000e+00, 13957 iterations, 1.62 seconds Total elapsed time = 6.80s 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 (37858 simplex iterations) in 7.62 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%