Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:16 2012 Optimize a model with 713 rows, 992 columns and 3007 nonzeros Presolve removed 74 rows and 372 columns Presolve time: 0.01s Presolved: 639 rows, 620 columns, 2480 nonzeros Variable types: 0 continuous, 620 integer (620 binary) Found heuristic solution: objective 9.0000000 Root relaxation: objective 3.000000e+00, 677 iterations, 0.01 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 (677 simplex iterations) in 0.02 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%