current theta: 0.610624351328 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 234 rows and 236 columns Presolve time: 0.00s Presolved: 367 rows, 388 columns, 1072 nonzeros Variable types: 0 continuous, 388 integer (388 binary) Root relaxation: objective 0.000000e+00, 177 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (298 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [3, 8, 23] edges [(6, 23), (11, 8), (18, 8), (20, 23), (5, 8), (17, 23), (13, 23), (22, 23), (2, 23), (9, 23), (4, 8), (14, 23), (16, 8), (1, 8), (3, 23), (0, 8), (23, 23), (21, 3), (10, 23), (19, 23), (7, 8), (12, 23), (8, 23), (15, 8)] current theta: 0.305312175664 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 452 rows and 475 columns Presolve time: 0.00s Presolved: 149 rows, 149 columns, 397 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 149 integer (149 binary) Root relaxation: cutoff, 145 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (145 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.457968263496 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 346 rows and 360 columns Presolve time: 0.00s Presolved: 255 rows, 264 columns, 724 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 264 integer (264 binary) Root relaxation: objective 0.000000e+00, 219 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (219 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [2, 6, 9] edges [(16, 9), (3, 2), (9, 9), (5, 6), (7, 6), (21, 2), (22, 9), (15, 9), (13, 9), (23, 2), (10, 6), (8, 6), (4, 6), (14, 9), (12, 9), (18, 2), (0, 6), (6, 6), (19, 9), (17, 9), (20, 2), (2, 2), (1, 9), (11, 2)] current theta: 0.38164021958 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 412 rows and 429 columns Presolve time: 0.00s Presolved: 189 rows, 195 columns, 523 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 195 integer (195 binary) Root relaxation: cutoff, 176 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (176 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.419804241538 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 372 rows and 386 columns Presolve time: 0.00s Presolved: 229 rows, 238 columns, 646 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 238 integer (238 binary) Root relaxation: objective 0.000000e+00, 182 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (182 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [3, 6, 9] edges [(16, 9), (9, 9), (23, 9), (10, 9), (5, 6), (18, 3), (7, 6), (20, 3), (22, 9), (11, 3), (15, 9), (13, 9), (2, 3), (3, 3), (8, 6), (14, 6), (4, 6), (12, 9), (0, 6), (6, 6), (19, 9), (17, 9), (21, 3), (1, 9)] current theta: 0.400722230559 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 396 rows and 411 columns Presolve time: 0.00s Presolved: 205 rows, 213 columns, 573 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 213 integer (213 binary) Root relaxation: cutoff, 205 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (205 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.410263236048 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 382 rows and 397 columns Presolve time: 0.00s Presolved: 219 rows, 227 columns, 615 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 227 integer (227 binary) Root relaxation: cutoff, 153 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (153 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.415033738793 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 380 rows and 395 columns Presolve time: 0.00s Presolved: 221 rows, 229 columns, 621 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 229 integer (229 binary) Root relaxation: cutoff, 169 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (169 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.417418990166 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 374 rows and 388 columns Presolve time: 0.00s Presolved: 227 rows, 236 columns, 640 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 236 integer (236 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [3, 6, 9] edges [(16, 9), (9, 9), (23, 9), (10, 9), (5, 6), (18, 3), (7, 6), (20, 3), (22, 9), (11, 3), (15, 9), (13, 9), (2, 3), (3, 3), (8, 6), (14, 6), (4, 6), (12, 9), (0, 6), (6, 6), (19, 9), (17, 9), (21, 3), (1, 9)] current theta: 0.416226364479 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 376 rows and 390 columns Presolve time: 0.00s Presolved: 225 rows, 234 columns, 634 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 234 integer (234 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [3, 6, 9] edges [(16, 9), (9, 9), (23, 9), (10, 9), (5, 6), (18, 3), (7, 6), (20, 3), (22, 9), (11, 3), (15, 9), (13, 9), (2, 3), (3, 3), (8, 6), (14, 6), (4, 6), (12, 9), (0, 6), (6, 6), (19, 9), (17, 9), (21, 3), (1, 9)] current theta: 0.415630051636 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 378 rows and 392 columns Presolve time: 0.00s Presolved: 223 rows, 232 columns, 628 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 232 integer (232 binary) Root relaxation: cutoff, 169 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (169 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.415928208058 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 376 rows and 390 columns Presolve time: 0.00s Presolved: 225 rows, 234 columns, 634 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 234 integer (234 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [3, 6, 9] edges [(16, 9), (9, 9), (23, 9), (10, 9), (5, 6), (18, 3), (7, 6), (20, 3), (22, 9), (11, 3), (15, 9), (13, 9), (2, 3), (3, 3), (8, 6), (14, 6), (4, 6), (12, 9), (0, 6), (6, 6), (19, 9), (17, 9), (21, 3), (1, 9)] current theta: 0.415779129847 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 378 rows and 392 columns Presolve time: 0.00s Presolved: 223 rows, 232 columns, 628 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 232 integer (232 binary) Root relaxation: cutoff, 169 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (169 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.415853668952 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 378 rows and 392 columns Presolve time: 0.00s Presolved: 223 rows, 232 columns, 628 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 232 integer (232 binary) Root relaxation: cutoff, 169 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (169 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -