Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:30:24 2013 Optimize a model with 83902 rows, 82992 columns and 331422 nonzeros Presolve removed 91 rows and 0 columns Presolve time: 0.41s Presolved: 83811 rows, 82992 columns, 331331 nonzeros Variable types: 82901 continuous, 91 integer (91 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9247 7.5209054e+04 1.977071e+05 0.000000e+00 5s 10897 7.6211372e+04 3.484387e+03 0.000000e+00 10s 11522 7.6287688e+04 0.000000e+00 0.000000e+00 12s Root relaxation: objective 7.628769e+04, 11522 iterations, 11.92 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 76287.6885 0 66 - 76287.6885 - - 12s H 0 0 141536.00000 76287.6885 46.1% - 22s 0 0 101422.360 0 20 141536.000 101422.360 28.3% - 49s H 0 0 131283.00000 101422.360 22.7% - 51s 0 0 111082.924 0 14 131283.000 111082.924 15.4% - 57s H 0 0 130323.00000 111082.924 14.8% - 58s 0 0 113036.651 0 6 130323.000 113036.651 13.3% - 61s H 0 0 125561.01764 113036.651 10.0% - 61s H 0 0 121577.00000 113036.651 7.02% - 61s 0 0 113209.104 0 2 121577.000 113209.104 6.88% - 62s H 0 0 117311.17831 113209.104 3.50% - 62s H 0 0 117035.00000 113209.104 3.27% - 62s H 0 0 116621.00000 113209.104 2.93% - 63s 0 2 113211.522 0 2 116621.000 113211.522 2.92% - 64s 1 3 113335.418 1 4 116621.000 113335.418 2.82% 370 65s H 6 6 113709.15385 113477.067 0.20% 489 66s H 12 10 113644.78100 113477.067 0.15% 327 67s H 15 10 113644.63415 113477.067 0.15% 285 68s * 16 9 11 113597.00000 113477.067 0.11% 275 68s * 24 9 6 113593.00000 113488.847 0.09% 224 69s 35 8 113540.081 6 1 113593.000 113539.644 0.05% 173 70s Cutting planes: Implied bound: 90 Explored 48 nodes (36117 simplex iterations) in 70.46 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.135930000000e+05, best bound 1.135876440678e+05, gap 0.0047%