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 2.040000e+02, 9 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 204.00000 0 6 - 204.00000 - - 0s 0 0 268.88214 0 3 - 268.88214 - - 0s H 0 0 315.0000000 268.88214 14.6% - 0s 0 2 281.32198 0 3 315.00000 281.32198 10.7% - 0s * 3 0 2 311.0000000 311.00000 0.0% 2.0 0s Cutting planes: Gomory: 1 MIR: 7 Explored 4 nodes (27 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.110000000000e+02, best bound 3.110000000000e+02, gap 0.0%