Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:39 2013 Optimize a model with 14 rows, 213 columns and 624 nonzeros Presolve removed 12 rows and 12 columns Presolve time: 0.00s Presolved: 2 rows, 201 columns, 400 nonzeros Variable types: 201 continuous, 0 integer (0 binary) Root relaxation: objective 2.682275e+03, 1 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2682.27493 0 1 - 2682.27493 - - 0s 0 2 2682.27493 0 1 - 2682.27493 - - 0s * 14 0 7 2689.1098456 2689.10985 0.0% 0.7 0s Explored 15 nodes (11 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.689109845638e+03, best bound 2.689109845638e+03, gap 0.0%