Gurobi 5.0.1 (linux64) logging started Sun Dec 9 21:44:19 2012 Optimize a model with 1110 rows, 1080 columns and 3577 nonzeros Presolve removed 52 rows and 31 columns Presolve time: 0.01s Presolved: 1058 rows, 1049 columns, 3453 nonzeros Variable types: 699 continuous, 350 integer (350 binary) Root relaxation: objective 9.811268e+04, 514 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 98112.6760 0 170 - 98112.6760 - - 0s H 0 0 160952.00000 98112.6760 39.0% - 0s 0 0 120711.023 0 11 160952.000 120711.023 25.0% - 0s 0 0 120867.030 0 14 160952.000 120867.030 24.9% - 0s 0 0 120873.249 0 5 160952.000 120873.249 24.9% - 0s H 0 0 120884.00000 120873.249 0.01% - 0s Cutting planes: Gomory: 19 Cover: 1 Implied bound: 1 Flow cover: 96 Flow path: 64 Explored 0 nodes (720 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.208840000000e+05, best bound 1.208732489048e+05, gap 0.0089%