Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:10:48 2014 Optimize a model with 27967 rows, 14043 columns and 69620 nonzeros Presolve removed 118 rows and 0 columns Presolve time: 0.32s Presolved: 27849 rows, 14043 columns, 69502 nonzeros Variable types: 1 continuous, 14042 integer (14042 binary) Found heuristic solution: objective 1.0966237 Found heuristic solution: objective 0.8808479 Found heuristic solution: objective 0.8706913 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 17867 3.0207644e-03 9.249531e+01 0.000000e+00 5s 18989 2.9667484e-03 0.000000e+00 0.000000e+00 5s Root relaxation: objective 2.966748e-03, 18989 iterations, 5.20 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00297 0 12686 0.87069 0.00297 100% - 8s H 0 0 0.3334345 0.00297 99.1% - 14s 0 0 0.00707 0 3360 0.33343 0.00707 97.9% - 21s 0 0 0.00976 0 3434 0.33343 0.00976 97.1% - 23s 0 0 0.00977 0 3423 0.33343 0.00977 97.1% - 23s 0 0 0.01499 0 3440 0.33343 0.01499 95.5% - 24s 0 0 0.01499 0 3425 0.33343 0.01499 95.5% - 25s 0 0 0.01499 0 3387 0.33343 0.01499 95.5% - 25s 0 0 0.01499 0 3340 0.33343 0.01499 95.5% - 25s 0 0 0.01500 0 3381 0.33343 0.01500 95.5% - 26s 0 0 0.01500 0 3069 0.33343 0.01500 95.5% - 27s 0 2 0.01500 0 2932 0.33343 0.01500 95.5% - 30s 296 298 0.01827 296 2125 0.33343 0.01827 94.5% 112 35s 696 698 0.02141 696 1672 0.33343 0.02141 93.6% 102 40s * 1061 678 1059 0.2909968 0.11540 60.3% 97.9 43s H 1063 571 0.2799468 0.11540 58.8% 97.9 44s * 1081 492 1076 0.2680320 0.11540 56.9% 96.8 44s H 1090 289 0.2419221 0.11540 52.3% 96.2 44s * 1091 270 1078 0.2386090 0.11540 51.6% 96.1 44s H 1117 216 0.2299412 0.12113 47.3% 96.5 44s H 1144 147 0.2213746 0.12113 45.3% 95.0 44s * 1147 132 1078 0.2171266 0.12113 44.2% 94.9 44s * 1154 128 1080 0.2165237 0.12113 44.1% 94.6 44s H 1171 116 0.2128115 0.12242 42.5% 94.7 44s 1194 125 0.12815 953 255 0.21281 0.12414 41.7% 98.4 45s H 1198 98 0.2042699 0.12414 39.2% 98.1 45s * 1211 90 967 0.2016150 0.12414 38.4% 98.4 45s * 1213 63 965 0.1987125 0.12414 37.5% 98.2 45s * 1225 53 1038 0.1961205 0.12815 34.7% 99.2 45s H 1229 46 0.1933030 0.12815 33.7% 98.9 45s * 1245 59 959 0.1932589 0.12984 32.8% 98.8 45s * 1246 58 958 0.1917825 0.12984 32.3% 98.8 45s * 1248 58 958 0.1905135 0.12984 31.8% 98.6 45s * 1249 56 958 0.1896406 0.12984 31.5% 98.6 45s H 1257 42 0.1870130 0.13394 28.4% 101 45s * 1263 44 955 0.1865198 0.13777 26.1% 102 45s Cutting planes: Gomory: 10 Implied bound: 10 MIR: 1888 Explored 1307 nodes (234896 simplex iterations) in 46.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.865197950209e-01, best bound 1.865197950209e-01, gap 0.0%