Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:23:23 2013 Optimize a model with 99099 rows, 98109 columns and 392139 nonzeros Presolve removed 5616 rows and 0 columns Presolve time: 0.73s Presolved: 93483 rows, 98109 columns, 380907 nonzeros Variable types: 98010 continuous, 99 integer (99 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 18773 1.2447764e+05 2.363492e+02 0.000000e+00 5s 19054 1.2449644e+05 0.000000e+00 0.000000e+00 5s Root relaxation: objective 1.244964e+05, 19054 iterations, 5.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 124496.438 0 5 - 124496.438 - - 6s H 0 0 129563.00000 124496.438 3.91% - 6s H 0 0 125209.00000 124496.438 0.57% - 8s 0 0 124499.239 0 7 125209.000 124499.239 0.57% - 8s 0 0 124499.239 0 7 125209.000 124499.239 0.57% - 9s 0 0 124499.422 0 7 125209.000 124499.422 0.57% - 10s 0 0 124499.422 0 5 125209.000 124499.422 0.57% - 19s 0 0 124499.422 0 7 125209.000 124499.422 0.57% - 20s 0 0 124499.516 0 7 125209.000 124499.516 0.57% - 20s 0 0 124499.516 0 7 125209.000 124499.516 0.57% - 21s 0 2 124501.123 0 7 125209.000 124501.123 0.57% - 25s * 8 5 7 124824.00000 124676.333 0.12% 204 26s Cutting planes: Gomory: 4 Flow cover: 9 Explored 18 nodes (31880 simplex iterations) in 27.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.248240000000e+05, best bound 1.248240000000e+05, gap 0.0%