Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:13 2012 Optimize a model with 355 rows, 38 columns and 710 nonzeros Presolve removed 241 rows and 0 columns Presolve time: 0.00s Presolved: 114 rows, 38 columns, 574 nonzeros Variable types: 0 continuous, 38 integer (38 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 7.937500e+00, 59 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 7.93750 0 28 6.00000 7.93750 32.3% - 0s H 0 0 7.0000000 7.93750 13.4% - 0s Explored 0 nodes (65 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%