Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:23 2013 Optimize a model with 11968 rows, 11628 columns and 46308 nonzeros Presolve removed 34 rows and 0 columns Presolve time: 0.05s Presolved: 11934 rows, 11628 columns, 46274 nonzeros Variable types: 11594 continuous, 34 integer (34 binary) Root relaxation: objective 2.969153e+04, 1314 iterations, 0.26 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 29691.5263 0 27 - 29691.5263 - - 0s H 0 0 33342.000000 29691.5263 10.9% - 0s 0 0 32109.2134 0 1 33342.0000 32109.2134 3.70% - 0s H 0 0 32487.427509 32109.2134 1.16% - 0s H 0 0 32229.000000 32109.2134 0.37% - 0s 0 2 32120.0000 0 1 32229.0000 32120.0000 0.34% - 0s * 4 0 3 32213.000000 32213.0000 0.0% 36.5 0s Cutting planes: Gomory: 1 Implied bound: 26 Explored 5 nodes (1866 simplex iterations) in 0.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.221300000000e+04, best bound 3.221300000000e+04, gap 0.0%