Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:10:08 2014 Optimize a model with 57600 rows, 57361 columns and 228723 nonzeros Presolve time: 1.61s Presolved: 57600 rows, 57361 columns, 228723 nonzeros Variable types: 1 continuous, 57360 integer (57360 binary) Found heuristic solution: objective 0.8062052 Found heuristic solution: objective 0.8053896 Found heuristic solution: objective 0.7214856 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 12107 7.9541842e-02 9.662301e+02 0.000000e+00 5s 12583 7.9410646e-02 0.000000e+00 0.000000e+00 6s Root relaxation: objective 7.941065e-02, 12583 iterations, 5.90 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.07941 0 2294 0.72149 0.07941 89.0% - 9s H 0 0 0.1345851 0.07941 41.0% - 21s 0 0 0.08175 0 1937 0.13459 0.08175 39.3% - 27s 0 0 0.08175 0 1871 0.13459 0.08175 39.3% - 29s 0 0 0.08259 0 1956 0.13459 0.08259 38.6% - 29s 0 0 0.08342 0 1902 0.13459 0.08342 38.0% - 30s 0 0 0.08356 0 2006 0.13459 0.08356 37.9% - 30s 0 0 0.08371 0 1983 0.13459 0.08371 37.8% - 30s 0 0 0.08371 0 1983 0.13459 0.08371 37.8% - 30s 0 0 0.08371 0 1912 0.13459 0.08371 37.8% - 31s 0 2 0.08371 0 1912 0.13459 0.08371 37.8% - 32s 46 48 0.09526 24 1326 0.13459 0.08461 37.1% 444 35s H 110 103 0.1331437 0.08461 36.5% 280 36s H 137 124 0.1318460 0.08461 35.8% 301 37s 200 176 0.11289 27 1029 0.13185 0.08489 35.6% 305 40s * 219 184 39 0.1305256 0.08489 35.0% 295 40s H 223 177 0.1303600 0.08489 34.9% 292 40s H 250 201 0.1278606 0.08495 33.6% 303 42s * 260 211 16 0.1278529 0.08495 33.6% 305 42s H 305 238 0.1271221 0.08498 33.1% 295 44s H 332 263 0.1268163 0.08498 33.0% 301 45s H 359 273 0.1263426 0.08502 32.7% 303 46s H 376 270 0.1257073 0.08537 32.1% 307 46s H 376 270 0.1257005 0.08537 32.1% 307 46s H 386 276 0.1256822 0.08537 32.1% 300 46s * 390 275 18 0.1254203 0.08537 31.9% 297 46s 410 256 infeasible 8 0.12542 0.08656 31.0% 347 50s 447 219 infeasible 9 0.12542 0.09147 27.1% 409 55s H 451 212 0.1245570 0.09154 26.5% 411 55s 547 118 cutoff 12 0.12456 0.10109 18.8% 425 60s Cutting planes: Gomory: 6 MIR: 15 Zero half: 1 Mod-K: 1 Explored 666 nodes (275674 simplex iterations) in 60.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.245569691159e-01, best bound 1.245569691159e-01, gap 0.0%