Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:19:07 2012 Optimize a model with 21671 rows, 28392 columns and 92566 nonzeros Presolve removed 338 rows and 2 columns Presolve time: 0.46s Presolved: 21501 rows, 28390 columns, 119696 nonzeros Variable types: 0 continuous, 28390 integer (28390 binary) Found heuristic solution: objective 168.0000000 Root relaxation: objective 3.000000e+00, 16690 iterations, 1.79 seconds Total elapsed time = 7.41s 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 (38269 simplex iterations) in 7.53 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%