Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:47:02 2013 Optimize a model with 95254 rows, 94284 columns and 376554 nonzeros Presolve removed 97 rows and 0 columns Presolve time: 0.47s Presolved: 95157 rows, 94284 columns, 376457 nonzeros Variable types: 94187 continuous, 97 integer (97 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8417 7.4889323e+04 1.870139e+05 0.000000e+00 5s 10331 7.6141599e+04 9.734694e+03 0.000000e+00 10s 12071 7.6812873e+04 3.122951e+02 0.000000e+00 15s 12542 7.6828921e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 7.682892e+04, 12542 iterations, 16.95 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 76828.9214 0 68 - 76828.9214 - - 17s H 0 0 131020.00000 76828.9214 41.4% - 24s H 0 0 116470.00000 76828.9214 34.0% - 75s 0 0 93417.5689 0 27 116470.000 93417.5689 19.8% - 100s 0 0 100229.946 0 12 116470.000 100229.946 13.9% - 116s 0 0 100901.266 0 4 116470.000 100901.266 13.4% - 118s H 0 0 110888.22795 100901.266 9.01% - 118s H 0 0 103620.00000 100901.266 2.62% - 118s 0 0 101374.152 0 4 103620.000 101374.152 2.17% - 120s 0 0 101595.450 0 4 103620.000 101595.450 1.95% - 121s H 0 0 103463.00000 101595.450 1.81% - 122s H 0 0 101806.00000 101595.450 0.21% - 123s 0 2 101598.847 0 3 101806.000 101598.847 0.20% - 124s H 1 1 101777.68067 101598.847 0.18% 28.0 124s 2 3 101679.308 1 2 101777.681 101679.308 0.10% 516 125s * 14 0 3 101750.00000 101750.000 0.0% 207 127s Cutting planes: Implied bound: 97 Explored 15 nodes (32352 simplex iterations) in 127.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.017500000000e+05, best bound 1.017500000000e+05, gap 0.0%