Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:52 2013 Optimize a model with 45 rows, 36 columns and 120 nonzeros Presolve removed 15 rows and 15 columns Presolve time: 0.00s Presolved: 30 rows, 21 columns, 90 nonzeros Variable types: 6 continuous, 15 integer (15 binary) Root relaxation: objective 3.150000e+02, 12 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 315.00000 0 8 - 315.00000 - - 0s 0 0 399.25773 0 3 - 399.25773 - - 0s 0 0 399.34115 0 5 - 399.34115 - - 0s 0 0 399.34115 0 5 - 399.34115 - - 0s H 0 0 448.0000000 399.34115 10.9% - 0s 0 2 401.00000 0 5 448.00000 401.00000 10.5% - 0s Cutting planes: MIR: 12 Explored 10 nodes (76 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.480000000000e+02, best bound 4.480000000000e+02, gap 0.0%