Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:01:41 2013 Optimize a model with 700 rows, 26150 columns and 53200 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.04s Presolved: 650 rows, 26100 columns, 52150 nonzeros Variable types: 26100 continuous, 0 integer (0 binary) Root relaxation: objective 1.749223e+05, 1701 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 174922.321 0 2 - 174922.321 - - 0s H 0 0 178511.00724 174922.321 2.01% - 0s 0 2 174922.321 0 2 178511.007 174922.321 2.01% - 0s * 23 9 12 176767.92131 175399.797 0.77% 44.1 0s * 49 13 25 176265.96883 175399.797 0.49% 23.3 0s * 104 4 24 176230.44114 176124.301 0.06% 17.7 1s * 108 0 18 176208.61401 176208.614 0.0% 17.1 1s Explored 109 nodes (3543 simplex iterations) in 1.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.762086140087e+05, best bound 1.762086140087e+05, gap 0.0%