Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:49:43 2013 Optimize a model with 85744 rows, 84824 columns and 338744 nonzeros Presolve removed 92 rows and 0 columns Presolve time: 0.42s Presolved: 85652 rows, 84824 columns, 338652 nonzeros Variable types: 84732 continuous, 92 integer (92 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8450 7.6275392e+04 7.622615e+03 0.000000e+00 5s 10276 7.7110654e+04 3.509658e+00 0.000000e+00 10s 10330 7.7110893e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 7.711089e+04, 10330 iterations, 10.39 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 77110.8926 0 67 - 77110.8926 - - 11s H 0 0 140030.00000 77110.8926 44.9% - 19s H 0 0 115922.00000 77110.8926 33.5% - 73s 0 0 95854.5832 0 22 115922.000 95854.5832 17.3% - 95s 0 0 102869.061 0 13 115922.000 102869.061 11.3% - 101s 0 0 104178.802 0 8 115922.000 104178.802 10.1% - 104s 0 0 104417.033 0 3 115922.000 104417.033 9.92% - 105s H 0 0 107423.33292 104417.033 2.80% - 105s H 0 0 106627.00000 104417.033 2.07% - 105s H 0 0 105791.00000 104417.033 1.30% - 105s 0 2 104418.447 0 3 105791.000 104418.447 1.30% - 107s H 5 5 105326.00000 104493.857 0.79% 303 109s 5 7 104758.937 4 2 105326.000 104493.857 0.79% 440 110s H 6 6 104795.61538 104493.857 0.29% 367 110s H 15 6 104789.60000 104493.857 0.28% 248 112s H 17 6 104778.00000 104493.857 0.27% 241 112s * 21 5 16 104754.00000 104493.857 0.25% 246 113s 28 6 104720.669 4 3 104754.000 104626.624 0.12% 253 115s * 41 3 11 104671.00000 104645.363 0.02% 200 115s Cutting planes: Implied bound: 91 Explored 45 nodes (33270 simplex iterations) in 116.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.046710000000e+05, best bound 1.046710000000e+05, gap 0.0%