Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:41 2013 Optimize a model with 18 rows, 16 columns and 48 nonzeros Presolve removed 6 rows and 6 columns Presolve time: 0.00s Presolved: 12 rows, 10 columns, 36 nonzeros Variable types: 4 continuous, 6 integer (6 binary) Root relaxation: objective 2.680000e+02, 6 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 268.00000 0 2 - 268.00000 - - 0s H 0 0 387.0000000 268.00000 30.7% - 0s H 0 0 370.0000000 268.00000 27.6% - 0s H 0 0 365.0000000 268.00000 26.6% - 0s 0 0 346.60215 0 1 365.00000 346.60215 5.04% - 0s 0 0 359.80000 0 1 365.00000 359.80000 1.42% - 0s 0 0 365.00000 0 1 365.00000 365.00000 0.0% - 0s Cutting planes: MIR: 2 Explored 1 nodes (17 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.650000000000e+02, best bound 3.650000000000e+02, gap 0.0%