Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:46 2013 Optimize a model with 30 rows, 25 columns and 80 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 20 rows, 15 columns, 60 nonzeros Variable types: 5 continuous, 10 integer (10 binary) Root relaxation: objective 2.090000e+02, 7 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 209.00000 0 6 - 209.00000 - - 0s H 0 0 455.0000000 209.00000 54.1% - 0s H 0 0 416.0000000 209.00000 49.8% - 0s 0 0 293.50398 0 3 416.00000 293.50398 29.4% - 0s 0 2 299.00000 0 3 416.00000 299.00000 28.1% - 0s Cutting planes: MIR: 9 Explored 14 nodes (48 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.159999999999e+02, best bound 4.159999999999e+02, gap 0.0%