Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:25:56 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 9552 7.7464707e+04 2.503373e+05 0.000000e+00 5s 11252 7.8366739e+04 3.832486e+03 0.000000e+00 10s 12279 7.8555911e+04 0.000000e+00 0.000000e+00 13s Root relaxation: objective 7.855591e+04, 12279 iterations, 13.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 78555.9105 0 61 - 78555.9105 - - 14s H 0 0 138216.00000 78555.9105 43.2% - 22s H 0 0 124092.00000 78555.9105 36.7% - 56s 0 0 100725.628 0 30 124092.000 100725.628 18.8% - 82s 0 0 111651.811 0 11 124092.000 111651.811 10.0% - 94s 0 0 115085.210 0 5 124092.000 115085.210 7.26% - 99s H 0 0 121732.00000 115085.210 5.46% - 99s H 0 0 121023.00000 115085.210 4.91% - 100s 0 0 115154.865 0 4 121023.000 115154.865 4.85% - 100s H 0 0 119253.09722 115154.865 3.44% - 100s H 0 0 118769.00000 115154.865 3.04% - 100s H 0 0 115604.00000 115154.865 0.39% - 101s 0 2 115161.320 0 4 115604.000 115161.320 0.38% - 103s H 8 4 115387.77778 115247.261 0.12% 233 104s 9 4 115336.222 7 1 115387.778 115247.261 0.12% 239 105s * 10 3 8 115354.00000 115247.261 0.09% 234 105s Cutting planes: Implied bound: 94 Explored 14 nodes (36002 simplex iterations) in 105.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.153540000000e+05, best bound 1.153540000000e+05, gap 0.0%