Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:12:56 2013 Optimize a model with 696 rows, 256 columns and 2176 nonzeros Presolve removed 158 rows and 132 columns Presolve time: 0.00s Presolved: 538 rows, 124 columns, 1692 nonzeros Variable types: 6 continuous, 118 integer (118 binary) Found heuristic solution: objective 6149.0000000 Found heuristic solution: objective 5942.0000000 Root relaxation: objective 5.088829e+03, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5088.82927 0 5 5942.00000 5088.82927 14.4% - 0s 0 0 5094.82497 0 9 5942.00000 5094.82497 14.3% - 0s H 0 0 5096.0000000 5094.82497 0.02% - 0s 0 0 cutoff 0 5096.00000 5095.00510 0.02% - 0s Cutting planes: Gomory: 1 Cover: 1 Implied bound: 2 MIR: 4 Explored 0 nodes (43 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.096000000000e+03, best bound 5.096000000000e+03, gap 0.0%