Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:46:24 2013 Optimize a model with 80278 rows, 79388 columns and 317018 nonzeros Presolve removed 89 rows and 0 columns Presolve time: 0.38s 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 8297 7.9407809e+04 4.790359e+04 0.000000e+00 5s 10079 8.0629015e+04 1.355954e+04 0.000000e+00 10s 11382 8.0996150e+04 0.000000e+00 0.000000e+00 14s Root relaxation: objective 8.099615e+04, 11382 iterations, 13.69 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 80996.1496 0 73 - 80996.1496 - - 14s H 0 0 141928.00000 80996.1496 42.9% - 23s 0 0 108616.930 0 19 141928.000 108616.930 23.5% - 46s H 0 0 138902.00000 108616.930 21.8% - 49s 0 0 113365.808 0 10 138902.000 113365.808 18.4% - 52s H 0 0 133863.16926 113365.808 15.3% - 52s H 0 0 124666.00000 113365.808 9.06% - 52s 0 0 113543.794 0 9 124666.000 113543.794 8.92% - 53s H 0 0 123492.02148 113543.794 8.06% - 53s H 0 0 121167.00000 113543.794 6.29% - 53s H 0 0 115403.00000 113543.794 1.61% - 55s 0 2 113554.197 0 9 115403.000 113554.197 1.60% - 56s H 4 4 115157.69611 113780.709 1.20% 404 57s H 5 5 115056.85044 113780.709 1.11% 351 57s H 6 6 114279.81818 113780.709 0.44% 300 57s H 8 8 114165.81818 113780.709 0.34% 234 57s H 9 9 114127.81818 113780.709 0.30% 212 57s H 10 10 114116.00000 113780.709 0.29% 195 57s H 12 11 114007.00000 113780.709 0.20% 177 57s H 14 13 113921.63953 113780.709 0.12% 174 58s * 18 12 14 113911.00000 113780.709 0.11% 149 58s 36 11 113900.516 9 1 113911.000 113886.438 0.02% 129 60s * 56 7 11 113905.00000 113890.000 0.01% 107 61s Cutting planes: Implied bound: 88 Explored 69 nodes (31466 simplex iterations) in 62.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.139050000000e+05, best bound 1.138941666667e+05, gap 0.0095%