Gurobi 5.0.1 (linux64) logging started Mon Feb 4 20:40:36 2013 Optimize a model with 682800 rows, 25600 columns and 2060800 nonzeros Presolve removed 19542 rows and 12849 columns (presolve time = 5s) ... Presolve removed 23083 rows and 12864 columns Presolve time: 9.39s Presolved: 659717 rows, 12736 columns, 1992022 nonzeros Variable types: 82 continuous, 12654 integer (12654 binary) Found heuristic solution: objective 544827.00000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7245 3.1381053e+05 0.000000e+00 1.205838e+09 5s 14487 3.1440193e+05 0.000000e+00 5.852372e+09 10s 21729 3.1523135e+05 0.000000e+00 5.869647e+08 15s 28971 3.1600271e+05 0.000000e+00 1.477311e+09 20s 37420 3.1696797e+05 0.000000e+00 2.316749e+09 26s 44662 3.1767075e+05 0.000000e+00 1.893761e+10 30s 54318 3.2044684e+05 0.000000e+00 8.377744e+09 36s 62767 3.2233825e+05 0.000000e+00 2.703403e+08 40s 72423 3.2464482e+05 0.000000e+00 3.075711e+08 45s 79665 3.2620202e+05 0.000000e+00 2.988967e+09 50s 89321 3.2743465e+05 0.000000e+00 5.588762e+08 55s 97770 3.2994378e+05 0.000000e+00 9.063873e+08 61s 103805 3.3178351e+05 0.000000e+00 4.226436e+09 65s 112254 3.3212774e+05 0.000000e+00 3.167468e+08 71s 119496 3.3359480e+05 0.000000e+00 1.803071e+09 75s 129152 3.3603668e+05 0.000000e+00 3.312477e+09 80s 141230 3.3954077e+05 0.000000e+00 4.682042e+08 85s 154556 3.4249652e+05 0.000000e+00 4.761265e+08 90s 166629 3.4639741e+05 0.000000e+00 3.467567e+09 95s 177492 3.4981736e+05 0.000000e+00 1.303069e+09 100s 191994 3.5273167e+05 0.000000e+00 1.777889e+08 106s 204064 3.5679231e+05 0.000000e+00 1.036985e+08 110s 217349 3.6277835e+05 0.000000e+00 8.764516e+07 115s 234248 3.7291432e+05 0.000000e+00 1.899106e+08 120s 248743 3.8222744e+05 0.000000e+00 1.183260e+07 125s 258408 3.8668668e+05 0.000000e+00 1.654420e+05 131s 258942 3.8665130e+05 0.000000e+00 0.000000e+00 132s 258942 3.8665130e+05 0.000000e+00 0.000000e+00 133s Root relaxation: objective 3.866513e+05, 258942 iterations, 132.64 seconds Total elapsed time = 145.11s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 386651.300 0 17 544827.000 386651.300 29.0% - 147s H 0 0 386663.00000 386651.300 0.00% - 147s Explored 0 nodes (259602 simplex iterations) in 147.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.866630000000e+05, best bound 3.866520000000e+05, gap 0.0028%