Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:12:43 2012 Optimize a model with 2385 rows, 2070 columns and 9045 nonzeros Presolve removed 272 rows and 90 columns Presolve time: 0.04s Presolved: 2113 rows, 1980 columns, 8280 nonzeros Variable types: 0 continuous, 1980 integer (1980 binary) Found heuristic solution: objective 21.0000000 Root relaxation: objective 3.000000e+00, 1681 iterations, 0.03 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% - 0s Explored 0 nodes (2242 simplex iterations) in 0.10 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%