Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:48:31 2013 Optimize a model with 85744 rows, 84824 columns and 338744 nonzeros Presolve removed 92 rows and 0 columns Presolve time: 0.42s Presolved: 85652 rows, 84824 columns, 338652 nonzeros Variable types: 84732 continuous, 92 integer (92 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8457 7.7121874e+04 9.150520e+06 0.000000e+00 5s 10283 7.8502662e+04 2.593649e+03 0.000000e+00 10s 11490 7.8798883e+04 0.000000e+00 0.000000e+00 14s Root relaxation: objective 7.879888e+04, 11490 iterations, 13.56 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 78798.8832 0 74 - 78798.8832 - - 14s H 0 0 156359.00000 78798.8832 49.6% - 23s 0 0 105477.528 0 18 156359.000 105477.528 32.5% - 51s H 0 0 129125.00000 105477.528 18.3% - 52s 0 0 114584.349 0 4 129125.000 114584.349 11.3% - 58s H 0 0 119647.77230 114584.349 4.23% - 58s H 0 0 116499.00000 114584.349 1.64% - 58s 0 0 114639.282 0 3 116499.000 114639.282 1.60% - 59s H 0 0 116370.83941 114639.282 1.49% - 59s H 0 0 116071.00000 114639.282 1.23% - 59s 0 2 114644.799 0 3 116071.000 114644.799 1.23% - 63s 2 4 114848.277 1 4 116071.000 114846.381 1.06% 533 65s H 6 6 115016.36667 114903.307 0.10% 324 66s H 7 5 115015.80000 114904.000 0.10% 304 66s H 8 4 114944.04580 114906.349 0.03% 271 66s * 11 3 9 114933.00000 114907.962 0.02% 231 67s Cutting planes: Implied bound: 90 Explored 15 nodes (30854 simplex iterations) in 67.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.149330000000e+05, best bound 1.149330000000e+05, gap 0.0%