Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:33:22 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 8805 7.6533589e+04 1.557631e+05 0.000000e+00 5s 10505 7.7896056e+04 1.450065e+05 0.000000e+00 10s 12035 7.8420792e+04 5.794229e+03 0.000000e+00 15s 12750 7.8500138e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 7.850014e+04, 12750 iterations, 17.40 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 78500.1382 0 75 - 78500.1382 - - 18s H 0 0 156669.00000 78500.1382 49.9% - 34s 0 0 100646.238 0 18 156669.000 100646.238 35.8% - 60s H 0 0 129041.00000 100646.238 22.0% - 61s 0 0 108699.208 0 10 129041.000 108699.208 15.8% - 67s H 0 0 127546.48442 108699.208 14.8% - 67s H 0 0 121681.00000 108699.208 10.7% - 67s 0 0 110782.740 0 4 121681.000 110782.740 8.96% - 70s H 0 0 119041.65337 110782.740 6.94% - 70s H 0 0 118052.00000 110782.740 6.16% - 70s 0 0 110996.674 0 3 118052.000 110996.674 5.98% - 70s H 0 0 115344.11524 110996.674 3.77% - 70s H 0 0 114036.00000 110996.674 2.67% - 71s 0 2 111033.278 0 3 114036.000 111033.278 2.63% - 72s H 1 1 113678.13368 111033.278 2.33% 0.0 73s H 2 2 111470.97841 111101.266 0.33% 93.0 73s H 3 3 111462.23077 111175.588 0.26% 281 73s H 4 4 111440.95041 111175.588 0.24% 227 74s 9 8 111236.273 8 1 111440.950 111175.588 0.24% 167 75s H 32 0 111286.78947 111234.789 0.05% 162 79s * 33 0 6 111273.00000 111273.000 0.0% 164 79s Cutting planes: Implied bound: 92 Explored 34 nodes (35334 simplex iterations) in 79.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.112730000000e+05, best bound 1.112730000000e+05, gap 0.0%