Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:13 2012 Optimize a model with 394 rows, 40 columns and 788 nonzeros Presolve removed 280 rows and 0 columns Presolve time: 0.00s Presolved: 114 rows, 40 columns, 614 nonzeros Variable types: 0 continuous, 40 integer (40 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 7.582090e+00, 76 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 7.58209 0 33 6.00000 7.58209 26.4% - 0s H 0 0 7.0000000 7.58209 8.32% - 0s Explored 0 nodes (76 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%