Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:52:19 2013 Optimize a model with 80278 rows, 79388 columns and 317018 nonzeros Presolve removed 89 rows and 0 columns Presolve time: 0.37s Presolved: 80189 rows, 79388 columns, 316929 nonzeros Variable types: 79299 continuous, 89 integer (89 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7606 7.0984534e+04 1.791624e+04 0.000000e+00 5s 9550 7.2209016e+04 9.253346e+02 0.000000e+00 10s 9916 7.2260684e+04 0.000000e+00 0.000000e+00 11s Root relaxation: objective 7.226068e+04, 9916 iterations, 11.38 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 72260.6841 0 67 - 72260.6841 - - 12s H 0 0 131225.00000 72260.6841 44.9% - 19s 0 0 95588.7761 0 20 131225.000 95588.7761 27.2% - 39s H 0 0 118157.00000 95588.7761 19.1% - 41s 0 0 102330.053 0 9 118157.000 102330.053 13.4% - 49s H 0 0 116171.00000 102330.053 11.9% - 49s 0 0 102760.946 0 3 116171.000 102760.946 11.5% - 50s H 0 0 108061.32779 102760.946 4.90% - 50s H 0 0 106959.00000 102760.946 3.92% - 50s 0 0 102774.510 0 4 106959.000 102774.510 3.91% - 51s 0 0 102776.365 0 2 106959.000 102776.365 3.91% - 51s H 0 0 106123.14783 102776.365 3.15% - 51s H 0 0 105222.00000 102776.365 2.32% - 51s H 0 0 102965.00000 102776.365 0.18% - 52s 0 2 102776.897 0 2 102965.000 102776.897 0.18% - 53s 5 4 102874.694 4 2 102965.000 102868.152 0.09% 361 55s 26 10 102950.714 5 2 102965.000 102902.746 0.06% 252 60s * 34 0 13 102944.00000 102944.000 0.0% 232 61s Cutting planes: Gomory: 1 Implied bound: 87 Explored 35 nodes (32704 simplex iterations) in 61.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.029440000000e+05, best bound 1.029440000000e+05, gap 0.0%