Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:24:12 2012 Optimize a model with 25991 rows, 29412 columns and 106531 nonzeros Presolve removed 368 rows and 4106 columns Presolve time: 0.66s Presolved: 25623 rows, 25306 columns, 101272 nonzeros Variable types: 0 continuous, 25306 integer (25306 binary) Found heuristic solution: objective 171.0000000 Root relaxation: objective 3.000000e+00, 17759 iterations, 1.94 seconds Total elapsed time = 12.44s 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% - 13s Explored 0 nodes (49102 simplex iterations) in 13.51 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%