Gurobi 5.0.1 (linux64) logging started Tue Dec 4 17:49:10 2012 Optimize a model with 721651 rows, 1439904 columns and 4317168 nonzeros Presolve removed 0 rows and 0 columns (presolve time = 15s) ... Presolve removed 0 rows and 0 columns (presolve time = 20s) ... Presolve time: 23.72s Presolved: 721651 rows, 1439904 columns, 4317168 nonzeros Variable types: 719952 continuous, 719952 integer (719952 binary) Found heuristic solution: objective 39977.000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 21627 3.6056000e+04 2.223670e+06 0.000000e+00 6s 35864 3.6380000e+04 1.278489e+07 0.000000e+00 10s 46851 3.6568996e+04 2.059369e+07 0.000000e+00 15s 58131 3.6570998e+04 1.009230e+07 0.000000e+00 20s 67572 3.6571000e+04 7.225390e+06 0.000000e+00 26s 77657 3.6571002e+04 9.094028e+06 0.000000e+00 30s 89975 3.6571007e+04 1.250598e+07 0.000000e+00 35s 104776 3.6571010e+04 9.706884e+06 0.000000e+00 41s 115398 3.6571011e+04 5.480640e+06 0.000000e+00 46s 123899 3.6571011e+04 7.777531e+06 0.000000e+00 50s 135474 3.6571012e+04 4.347553e+06 0.000000e+00 56s 143414 3.6571012e+04 3.692909e+06 0.000000e+00 60s 150056 3.6571013e+04 4.698471e+06 0.000000e+00 65s 158333 3.6571013e+04 6.921153e+06 0.000000e+00 70s 166903 3.6571013e+04 1.023163e+07 0.000000e+00 75s 175901 3.6571014e+04 3.380394e+06 0.000000e+00 80s 183090 3.6571014e+04 3.203027e+06 0.000000e+00 85s 193802 3.6571015e+04 4.727329e+06 0.000000e+00 92s 202287 3.6571015e+04 4.716764e+06 0.000000e+00 97s 208805 3.6571015e+04 8.629520e+06 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2615s 829402 3.7411987e+04 8.284981e+05 0.000000e+00 2640s 835828 3.7412006e+04 5.867293e+05 0.000000e+00 2658s 840851 3.7412022e+04 6.242779e+05 0.000000e+00 2686s 847277 3.7412038e+04 6.241012e+05 0.000000e+00 2693s 851547 3.7412048e+04 5.077724e+05 0.000000e+00 2714s 856041 3.7412057e+04 4.227376e+05 0.000000e+00 2719s 860414 3.7412064e+04 2.903553e+05 0.000000e+00 2724s 864491 3.7412073e+04 5.519835e+05 0.000000e+00 2736s 868365 3.7428037e+04 4.779998e+05 0.000000e+00 2741s 872765 3.7428043e+04 4.183807e+05 0.000000e+00 2752s 876096 3.7428048e+04 3.890283e+05 0.000000e+00 2757s 879708 3.7428056e+04 3.963621e+05 0.000000e+00 2763s 883134 3.7428063e+04 3.203129e+05 0.000000e+00 2777s 886094 3.7428066e+04 2.798404e+05 0.000000e+00 2781s 889647 3.7428070e+04 2.179254e+05 0.000000e+00 2785s 892413 3.7428072e+04 1.832244e+05 0.000000e+00 2805s 896606 3.7436064e+04 1.661386e+05 0.000000e+00 2813s 899397 3.7436070e+04 1.711106e+05 0.000000e+00 2820s 902331 3.7436073e+04 1.818883e+05 0.000000e+00 2829s 904503 3.7440073e+04 1.949765e+05 0.000000e+00 2834s 906550 3.7440075e+04 1.630450e+05 0.000000e+00 2839s 909199 3.7442077e+04 1.461214e+05 0.000000e+00 2848s 911983 3.7442080e+04 9.829159e+04 0.000000e+00 2863s 913842 3.7442081e+04 8.150423e+04 0.000000e+00 2874s 916209 3.7442083e+04 5.824877e+04 0.000000e+00 2889s 918144 3.7442085e+04 6.009033e+04 0.000000e+00 2903s 919948 3.7442086e+04 6.685559e+04 0.000000e+00 2907s 921894 3.7442087e+04 3.245271e+04 0.000000e+00 2916s 925074 3.7442090e+04 3.383845e+04 0.000000e+00 2921s 929928 3.7442094e+04 2.733874e+04 0.000000e+00 2928s 931907 3.7442096e+04 1.953355e+04 0.000000e+00 2932s 934095 3.7444096e+04 2.309032e+04 0.000000e+00 2940s 936565 3.7444099e+04 3.032909e+04 0.000000e+00 2944s 938553 3.7444101e+04 2.378815e+04 0.000000e+00 2949s 940780 3.7444102e+04 1.390115e+04 0.000000e+00 2955s 942894 3.7444104e+04 1.252475e+04 0.000000e+00 2963s 944517 3.7444105e+04 1.095240e+04 0.000000e+00 2966s 946279 3.7444106e+04 1.380461e+04 0.000000e+00 2973s 947980 3.7444108e+04 1.112766e+04 0.000000e+00 2983s 949620 3.7444110e+04 7.904123e+03 0.000000e+00 2993s 951280 3.7444112e+04 8.959788e+03 0.000000e+00 3009s 952945 3.7444113e+04 8.821083e+03 0.000000e+00 3026s 954721 3.7444115e+04 1.464950e+04 0.000000e+00 3048s 956126 3.7444117e+04 1.209447e+04 0.000000e+00 3066s 957626 3.7444118e+04 1.346075e+04 0.000000e+00 3087s 959018 3.7444120e+04 1.029898e+04 0.000000e+00 3110s 960673 3.7444121e+04 8.238595e+03 0.000000e+00 3140s 962143 3.7444123e+04 1.510510e+04 0.000000e+00 3168s 963445 3.7444123e+04 1.462089e+04 0.000000e+00 3175s 964992 3.7444125e+04 1.221438e+04 0.000000e+00 3210s 966489 3.7444127e+04 9.306628e+03 0.000000e+00 3243s 967840 3.7444128e+04 9.354083e+03 0.000000e+00 3274s 968817 3.7444130e+04 1.090176e+04 0.000000e+00 3298s 969812 3.7444131e+04 1.712844e+04 0.000000e+00 3323s 970899 3.7444132e+04 1.497909e+04 0.000000e+00 3355s 972127 3.7444133e+04 1.439185e+04 0.000000e+00 3384s 973129 3.7444134e+04 1.072211e+04 0.000000e+00 3406s 974081 3.7444135e+04 8.990497e+03 0.000000e+00 3428s 975077 3.7444136e+04 7.672762e+03 0.000000e+00 3451s 976320 3.7444137e+04 9.676865e+03 0.000000e+00 3480s 977347 3.7444138e+04 9.273625e+03 0.000000e+00 3506s 978208 3.7444139e+04 1.510196e+04 0.000000e+00 3530s 979242 3.7444140e+04 1.037356e+04 0.000000e+00 3559s Root relaxation: time limit, 979493 iterations, 3566.18 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 - 0 39977.0000 - - - 3600s Explored 0 nodes (979493 simplex iterations) in 3600.10 seconds Thread count was 1 (of 16 available processors) Time limit reached Best objective 3.997700000000e+04, best bound -, gap -