Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:15 2013 Optimize a model with 1080 rows, 2265 columns and 7525 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.12s Presolved: 1075 rows, 2260 columns, 6520 nonzeros Variable types: 1260 continuous, 1000 integer (1000 binary) Root relaxation: objective 1.024210e+04, 43 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 10242.1039 0 2 - 10242.1039 - - 0s 0 0 10256.1683 0 2 - 10256.1683 - - 0s 0 0 10258.9553 0 3 - 10258.9553 - - 0s 0 0 10260.2406 0 3 - 10260.2406 - - 0s 0 0 10260.9778 0 3 - 10260.9778 - - 0s 0 0 10264.0384 0 3 - 10264.0384 - - 0s 0 0 10264.6372 0 3 - 10264.6372 - - 0s 0 0 10266.3574 0 4 - 10266.3574 - - 0s 0 0 10266.8092 0 6 - 10266.8092 - - 0s 0 0 10267.2416 0 7 - 10267.2416 - - 0s 0 0 10267.4312 0 7 - 10267.4312 - - 0s 0 0 10267.4426 0 7 - 10267.4426 - - 0s 0 0 10267.4426 0 7 - 10267.4426 - - 0s 0 2 10267.4426 0 7 - 10267.4426 - - 0s * 27 6 19 10336.398541 10336.3985 0.0% 6.0 0s Cutting planes: Gomory: 2 Implied bound: 10 Flow cover: 3 Explored 28 nodes (307 simplex iterations) in 0.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.033639854073e+04, best bound 1.033639854073e+04, gap 0.0%