Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:11:18 2012 Optimize a model with 2664 rows, 1406 columns and 9250 nonzeros Presolve removed 481 rows and 0 columns Presolve time: 0.05s Presolved: 2183 rows, 1406 columns, 8103 nonzeros Variable types: 0 continuous, 1406 integer (1406 binary) Found heuristic solution: objective 23.0000000 Root relaxation: objective 3.000000e+00, 1870 iterations, 0.06 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 (3550 simplex iterations) in 0.19 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%