Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:49 2013 Optimize a model with 720 rows, 4860 columns and 10900 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.03s Presolved: 700 rows, 4840 columns, 10480 nonzeros Variable types: 4440 continuous, 400 integer (400 binary) Root relaxation: objective 3.600389e+04, 516 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36003.8892 0 4 - 36003.8892 - - 0s 0 0 36124.1559 0 6 - 36124.1559 - - 0s 0 0 36128.3128 0 4 - 36128.3128 - - 0s 0 0 36128.4888 0 4 - 36128.4888 - - 0s 0 0 36128.7308 0 4 - 36128.7308 - - 0s 0 0 36128.7308 0 4 - 36128.7308 - - 0s H 0 0 36232.698307 36128.7308 0.29% - 0s 0 1 36156.6827 0 2 36232.6983 36156.6827 0.21% - 0s * 18 1 17 36202.337419 36202.3374 0.0% 7.7 0s Cutting planes: Gomory: 2 Implied bound: 10 Flow cover: 2 Explored 19 nodes (906 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.620233741901e+04, best bound 3.620233741901e+04, gap 0.0%