Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:30:26 2012 Optimize a model with 10405 rows, 14762 columns and 45373 nonzeros Presolve removed 272 rows and 3390 columns Presolve time: 0.19s Presolved: 10133 rows, 11372 columns, 41212 nonzeros Variable types: 0 continuous, 11372 integer (11372 binary) Found heuristic solution: objective 121.0000000 Root relaxation: objective 3.000000e+00, 7934 iterations, 0.43 seconds 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% - 2s Explored 0 nodes (19738 simplex iterations) in 2.56 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%