Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:37:24 2013 Optimize a model with 89488 rows, 88548 columns and 353628 nonzeros Presolve removed 94 rows and 0 columns Presolve time: 0.44s Presolved: 89394 rows, 88548 columns, 353534 nonzeros Variable types: 88454 continuous, 94 integer (94 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9629 7.7665960e+04 1.781680e+04 0.000000e+00 5s 11364 7.8172426e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 7.817243e+04, 11364 iterations, 9.73 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 78172.4258 0 63 - 78172.4258 - - 10s H 0 0 123554.00000 78172.4258 36.7% - 15s H 0 0 105456.00000 78172.4258 25.9% - 42s 0 0 95625.3173 0 20 105456.000 95625.3173 9.32% - 62s 0 0 99536.0004 0 14 105456.000 99536.0004 5.61% - 69s 0 0 101125.048 0 10 105456.000 101125.048 4.11% - 73s 0 0 101504.176 0 6 105456.000 101504.176 3.75% - 75s H 0 0 105033.00000 101504.176 3.36% - 76s 0 0 101688.307 0 6 105033.000 101688.307 3.18% - 77s H 0 0 102050.00000 101688.307 0.35% - 77s 0 0 101751.136 0 5 102050.000 101751.136 0.29% - 78s 0 0 101756.208 0 3 102050.000 101756.208 0.29% - 79s 0 0 101756.208 0 58 102050.000 101756.208 0.29% - 91s 0 0 101756.208 0 14 102050.000 101756.208 0.29% - 137s 0 0 101756.208 0 9 102050.000 101756.208 0.29% - 142s 0 0 101756.208 0 5 102050.000 101756.208 0.29% - 144s 0 0 101756.208 0 4 102050.000 101756.208 0.29% - 145s 0 0 101756.208 0 3 102050.000 101756.208 0.29% - 146s 0 2 101756.222 0 3 102050.000 101756.222 0.29% - 148s 5 5 101979.911 5 3 102050.000 101848.202 0.20% 292 150s * 9 5 8 102007.00000 101848.202 0.16% 208 150s * 12 3 7 101992.00000 101848.202 0.14% 168 150s Cutting planes: Implied bound: 72 Explored 22 nodes (53963 simplex iterations) in 152.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.019920000000e+05, best bound 1.019920000000e+05, gap 0.0%