Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:14:30 2013 Optimize a model with 93312 rows, 92352 columns and 368832 nonzeros Presolve removed 96 rows and 0 columns Presolve time: 0.47s Presolved: 93216 rows, 92352 columns, 368736 nonzeros Variable types: 92256 continuous, 96 integer (96 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9302 8.1682075e+04 3.548461e+05 0.000000e+00 5s 10859 8.3308590e+04 1.753541e+04 0.000000e+00 10s 12416 8.4098124e+04 7.731865e+04 0.000000e+00 16s 13633 8.4269316e+04 0.000000e+00 0.000000e+00 20s Root relaxation: objective 8.426932e+04, 13633 iterations, 19.63 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 84269.3155 0 73 - 84269.3155 - - 20s H 0 0 172720.00000 84269.3155 51.2% - 34s 0 0 113920.569 0 25 172720.000 113920.569 34.0% - 68s H 0 0 156386.00000 113920.569 27.2% - 71s 0 0 129473.540 0 14 156386.000 129473.540 17.2% - 84s H 0 0 152969.00000 129473.540 15.4% - 84s 0 0 131794.741 0 6 152969.000 131794.741 13.8% - 86s H 0 0 141132.27255 131794.741 6.62% - 86s H 0 0 139217.00000 131794.741 5.33% - 86s H 0 0 132339.00000 131794.741 0.41% - 87s 0 2 131794.947 0 6 132339.000 131794.947 0.41% - 89s 2 4 131825.817 2 5 132339.000 131825.817 0.39% 156 90s * 10 10 9 132097.00000 131843.850 0.19% 329 92s 23 7 132028.448 5 2 132097.000 131893.687 0.15% 284 95s 60 10 132094.016 3 5 132097.000 131995.818 0.08% 214 100s Cutting planes: Implied bound: 96 Explored 69 nodes (49412 simplex iterations) in 100.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.320970000000e+05, best bound 1.320891003622e+05, gap 0.0060%