Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:24:28 2012 Optimize a model with 25991 rows, 29412 columns and 106531 nonzeros Presolve removed 1055 rows and 4619 columns Presolve time: 0.67s Presolved: 24936 rows, 24793 columns, 99057 nonzeros Variable types: 0 continuous, 24793 integer (24793 binary) Found heuristic solution: objective 171.0000000 Root relaxation: objective 3.000000e+00, 19053 iterations, 2.62 seconds Total elapsed time = 12.92s 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% - 14s Explored 0 nodes (48912 simplex iterations) in 14.22 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%