Gurobi 5.0.1 (linux64) logging started Tue Dec 4 21:57:04 2012 Optimize a model with 868625 rows, 868624 columns and 4335667 nonzeros Presolve removed 0 rows and 1 columns (presolve time = 7s) ... Presolve removed 0 rows and 1 columns (presolve time = 11s) ... Presolve removed 0 rows and 1 columns (presolve time = 16s) ... Presolve removed 0 rows and 1 columns (presolve time = 22s) ... Presolve removed 0 rows and 1 columns (presolve time = 25s) ... Presolve removed 0 rows and 1 columns (presolve time = 31s) ... Presolve removed 0 rows and 1 columns (presolve time = 36s) ... Presolve removed 0 rows and 1 columns (presolve time = 42s) ... Presolve removed 0 rows and 1 columns (presolve time = 45s) ... Presolve removed 0 rows and 1 columns (presolve time = 51s) ... Presolve removed 0 rows and 1 columns (presolve time = 56s) ... Presolve removed 0 rows and 1 columns (presolve time = 60s) ... Presolve removed 0 rows and 1 columns (presolve time = 65s) ... Presolve removed 0 rows and 1 columns Presolve time: 65.71s Presolved: 868625 rows, 868623 columns, 4334736 nonzeros Variable types: 931 continuous, 867692 integer (867692 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 6592 4.5667847e+05 1.894939e+04 0.000000e+00 6s 10062 4.6590780e+05 1.963431e+04 0.000000e+00 13s 11091 4.6687303e+05 1.699089e+04 0.000000e+00 16s 12095 4.6781286e+05 1.592372e+04 0.000000e+00 20s 13073 4.6791130e+05 8.381461e+03 0.000000e+00 27s 13878 4.6791433e+05 1.826102e+04 0.000000e+00 32s 17956 4.6792385e+05 1.058598e+04 0.000000e+00 72s 22604 4.6792435e+05 4.207054e+02 0.000000e+00 82s 24156 4.6792730e+05 6.793896e+03 0.000000e+00 85s 26496 4.6795235e+05 1.680143e+01 0.000000e+00 92s 28648 4.6795236e+05 3.623690e+00 0.000000e+00 99s 29599 4.6795236e+05 5.574202e-02 0.000000e+00 101s 29769 4.6795232e+05 0.000000e+00 0.000000e+00 102s Root relaxation: objective 4.679523e+05, 29769 iterations, 101.87 seconds Total elapsed time = 1808.50s Total elapsed time = 2511.16s Total elapsed time = 3368.95s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 467952.318 0 603 - 467952.318 - - 3600s Explored 0 nodes (284427 simplex iterations) in 3600.43 seconds Thread count was 1 (of 16 available processors) Time limit reached Best objective -, best bound 4.679530000000e+05, gap -