Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:16:25 2014 Optimize a model with 32400 rows, 32221 columns and 128343 nonzeros Presolve time: 0.82s Presolved: 32400 rows, 32221 columns, 128343 nonzeros Variable types: 1 continuous, 32220 integer (32220 binary) Found heuristic solution: objective 1.1201571 Found heuristic solution: objective 1.1181863 Found heuristic solution: objective 1.0965783 Root relaxation: objective 9.003130e-02, 7630 iterations, 3.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.09003 0 1638 1.09658 0.09003 91.8% - 4s H 0 0 0.6735963 0.09003 86.6% - 4s H 0 0 0.2248567 0.09003 60.0% - 4s H 0 0 0.2038548 0.09003 55.8% - 4s 0 0 0.09112 0 1585 0.20385 0.09112 55.3% - 7s 0 0 0.09112 0 1571 0.20385 0.09112 55.3% - 8s 0 0 0.09141 0 1590 0.20385 0.09141 55.2% - 9s 0 0 0.09220 0 1569 0.20385 0.09220 54.8% - 9s 0 0 0.09279 0 1548 0.20385 0.09279 54.5% - 10s 0 0 0.09299 0 1567 0.20385 0.09299 54.4% - 10s 0 0 0.09302 0 1578 0.20385 0.09302 54.4% - 10s 0 0 0.09302 0 1522 0.20385 0.09302 54.4% - 11s H 0 0 0.2017454 0.09302 53.9% - 11s H 0 0 0.1861475 0.09302 50.0% - 11s H 0 0 0.1698340 0.09302 45.2% - 11s 0 2 0.09343 0 1337 0.16983 0.09343 45.0% - 12s 44 46 0.10731 26 1078 0.16983 0.09432 44.5% 436 15s H 81 81 0.1611098 0.09432 41.5% 363 16s H 108 96 0.1604471 0.09432 41.2% 342 17s * 121 107 24 0.1569190 0.09432 39.9% 335 17s * 123 107 25 0.1557995 0.09432 39.5% 330 17s * 126 106 27 0.1557706 0.09432 39.5% 322 17s * 155 130 19 0.1546777 0.09527 38.4% 310 17s * 182 149 14 0.1533376 0.09551 37.7% 308 18s H 191 144 0.1523613 0.09551 37.3% 299 18s * 204 147 7 0.1522285 0.09558 37.2% 290 18s * 211 146 4 0.1522007 0.09583 37.0% 296 19s H 218 147 0.1514980 0.09583 36.7% 291 19s * 225 151 12 0.1489388 0.09583 35.7% 283 19s 233 142 infeasible 8 0.14894 0.09662 35.1% 297 20s 300 75 cutoff 14 0.14894 0.10851 27.1% 380 25s Cutting planes: Gomory: 7 MIR: 3 Explored 376 nodes (151002 simplex iterations) in 25.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.489388147847e-01, best bound 1.489388147847e-01, gap 0.0%