Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:14:36 2013 Optimize a model with 1400 rows, 100800 columns and 201900 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.30s Presolved: 1300 rows, 100700 columns, 201300 nonzeros Variable types: 100700 continuous, 0 integer (0 binary) Root relaxation: objective 9.188392e+05, 6926 iterations, 0.81 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 918839.221 0 4 - 918839.221 - - 1s H 0 0 964242.10084 918839.221 4.71% - 2s 0 2 918839.221 0 4 964242.101 918839.221 4.71% - 3s 7 9 919907.473 4 2 964242.101 919035.126 4.69% 239 5s 26 28 924606.323 13 2 964242.101 919277.041 4.66% 204 10s * 27 23 14 924008.65682 919277.041 0.51% 208 10s * 65 11 33 919365.22666 919284.268 0.01% 113 13s Explored 66 nodes (14286 simplex iterations) in 13.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.193652266644e+05, best bound 9.192842681540e+05, gap 0.0088%