Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:08:10 2013 Optimize a model with 97216 rows, 96236 columns and 384356 nonzeros Presolve removed 98 rows and 0 columns Presolve time: 0.48s Presolved: 97118 rows, 96236 columns, 384258 nonzeros Variable types: 96138 continuous, 98 integer (98 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9206 7.6933686e+04 4.989531e+04 0.000000e+00 5s 10790 7.8133863e+04 5.787009e+04 0.000000e+00 10s 12374 7.8582731e+04 4.633920e+03 0.000000e+00 15s Warning: Markowitz tolerance tightened to 0.03125 12840 7.8609584e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 7.860958e+04, 12840 iterations, 16.76 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 78609.5842 0 71 - 78609.5842 - - 17s H 0 0 141599.00000 78609.5842 44.5% - 28s H 0 0 129707.00000 78609.5842 39.4% - 84s 0 0 106836.834 0 30 129707.000 106836.834 17.6% - 117s 0 0 118343.862 0 6 129707.000 118343.862 8.76% - 131s 0 0 118628.266 0 5 129707.000 118628.266 8.54% - 133s H 0 0 129416.75880 118628.266 8.34% - 133s H 0 0 128236.00000 118628.266 7.49% - 133s 0 0 118733.151 0 4 128236.000 118733.151 7.41% - 135s H 0 0 125789.82937 118733.151 5.61% - 135s H 0 0 124642.00000 118733.151 4.74% - 135s 0 0 118743.501 0 3 124642.000 118743.501 4.73% - 135s H 0 0 124293.40283 118743.501 4.47% - 135s H 0 0 123727.00000 118743.501 4.03% - 135s 0 2 118743.701 0 3 123727.000 118743.701 4.03% - 137s H 2 2 121146.33333 118799.054 1.94% 254 138s H 3 3 119784.66667 118801.544 0.82% 246 138s H 4 4 119612.03571 118804.100 0.68% 218 139s 6 7 118846.245 6 1 119612.036 118804.100 0.68% 283 140s H 21 8 119330.90909 118804.100 0.44% 236 144s 21 10 119038.182 21 1 119330.909 118804.100 0.44% 246 145s 33 10 119027.396 4 2 119330.909 118852.030 0.40% 286 150s 43 12 119324.428 4 4 119330.909 118860.057 0.39% 399 155s H 62 12 119219.65656 118912.071 0.26% 360 159s 63 15 118947.859 7 2 119219.657 118940.604 0.23% 372 160s H 66 12 119148.61538 118940.604 0.17% 362 160s * 69 6 12 119061.00000 118940.604 0.10% 370 161s Cutting planes: Implied bound: 96 Explored 76 nodes (61581 simplex iterations) in 162.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.190610000000e+05, best bound 1.190610000000e+05, gap 0.0%