Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:16:43 2012 Optimize a model with 28222 rows, 28056 columns and 111888 nonzeros Presolve removed 670 rows and 2 columns Presolve time: 0.64s Presolved: 27719 rows, 28054 columns, 137777 nonzeros Variable types: 0 continuous, 28054 integer (28054 binary) Found heuristic solution: objective 167.0000000 Root relaxation: objective 3.000000e+00, 16639 iterations, 2.82 seconds Total elapsed time = 11.14s 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% - 12s Explored 0 nodes (48969 simplex iterations) in 12.65 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%