Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:52:13 2013 Optimize a model with 66582 rows, 65772 columns and 262602 nonzeros Presolve removed 81 rows and 0 columns Presolve time: 0.30s Presolved: 66501 rows, 65772 columns, 262521 nonzeros Variable types: 65691 continuous, 81 integer (81 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7279 6.8778749e+04 1.239744e+06 0.000000e+00 5s 9455 6.9716503e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 6.971650e+04, 9455 iterations, 10.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 69716.5033 0 64 - 69716.5033 - - 10s H 0 0 122427.00000 69716.5033 43.1% - 14s 0 0 94174.4869 0 22 122427.000 94174.4869 23.1% - 28s H 0 0 108715.00000 94174.4869 13.4% - 29s 0 0 98314.5454 0 7 108715.000 98314.5454 9.57% - 33s 0 0 99558.1092 0 3 108715.000 99558.1092 8.42% - 34s H 0 0 102299.18478 99558.1092 2.68% - 34s H 0 0 101553.00000 99558.1092 1.96% - 34s H 0 0 100256.00000 99558.1092 0.70% - 35s 0 2 99564.1412 0 3 100256.000 99564.1412 0.69% - 38s 5 6 99888.7486 4 2 100256.000 99791.1161 0.46% 427 40s H 14 7 100238.00000 99791.1161 0.45% 282 41s H 15 8 100224.00000 99791.1161 0.43% 266 42s * 17 7 14 100176.00000 99791.1161 0.38% 243 42s H 24 9 100152.86567 99792.9598 0.36% 208 42s H 25 10 100140.88889 99792.9598 0.35% 210 43s * 27 9 9 99968.000000 99792.9598 0.18% 202 43s Cutting planes: Implied bound: 80 Explored 37 nodes (28569 simplex iterations) in 43.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.996800000000e+04, best bound 9.996247056200e+04, gap 0.0055%