Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:06:16 2012 Optimize a model with 21090 rows, 26082 columns and 88548 nonzeros Presolve removed 324 rows and 2 columns Presolve time: 0.43s Presolved: 20927 rows, 26080 columns, 113406 nonzeros Variable types: 0 continuous, 26080 integer (26080 binary) Found heuristic solution: objective 161.0000000 Root relaxation: objective 3.000000e+00, 11399 iterations, 1.48 seconds Total elapsed time = 6.21s 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 (34061 simplex iterations) in 7.14 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%