Gurobi 5.0.1 (linux64) logging started Mon Dec 10 23:29:43 2012 Optimize a model with 2190 rows, 2160 columns and 7160 nonzeros Presolve removed 91 rows and 56 columns Presolve time: 0.02s Presolved: 2099 rows, 2104 columns, 6939 nonzeros Variable types: 1404 continuous, 700 integer (700 binary) Root relaxation: objective 1.952771e+05, 1041 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 195277.080 0 353 - 195277.080 - - 0s H 0 0 324792.00000 195277.080 39.9% - 0s 0 0 239927.005 0 75 324792.000 239927.005 26.1% - 0s 0 0 241347.220 0 24 324792.000 241347.220 25.7% - 0s H 0 0 253707.19344 241347.220 4.87% - 0s * 0 0 0 241487.00000 241487.000 0.0% - 0s Cutting planes: Gomory: 33 Cover: 2 Implied bound: 1 Flow cover: 211 Flow path: 168 Explored 0 nodes (1494 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.414870000000e+05, best bound 2.414870000000e+05, gap 0.0000%