current theta: 0.608955319874 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 258 rows and 258 columns Presolve time: 0.00s Presolved: 445 rows, 470 columns, 1306 nonzeros Variable types: 0 continuous, 470 integer (470 binary) Root relaxation: objective 0.000000e+00, 162 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 0.0% - 0s Explored 0 nodes (162 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 [16, 19, 25] edges [(7, 25), (25, 16), (8, 25), (14, 19), (1, 25), (13, 25), (2, 25), (23, 25), (6, 16), (24, 25), (12, 25), (0, 16), (5, 25), (19, 19), (17, 25), (20, 19), (22, 25), (18, 25), (11, 16), (15, 25), (3, 25), (21, 16), (4, 25), (16, 25), (9, 16), (10, 25)] current theta: 0.304477659937 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 530 rows and 530 columns Presolve time: 0.00s Presolved: 173 rows, 198 columns, 492 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 198 integer (198 binary) Root relaxation: cutoff, 156 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 (156 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.456716489906 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 384 rows and 384 columns Presolve time: 0.00s Presolved: 319 rows, 344 columns, 928 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 344 integer (344 binary) Root relaxation: objective 0.000000e+00, 189 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 0.0% - 0s Explored 0 nodes (189 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 [12, 16, 20] edges [(22, 12), (2, 12), (23, 20), (24, 16), (10, 12), (6, 12), (19, 20), (13, 16), (5, 16), (0, 16), (11, 12), (7, 12), (20, 20), (4, 16), (17, 12), (15, 12), (3, 16), (12, 12), (25, 12), (21, 12), (9, 16), (1, 12), (16, 16), (18, 12), (8, 16), (14, 20)] current theta: 0.380597074921 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 466 rows and 466 columns Presolve time: 0.00s Presolved: 237 rows, 262 columns, 682 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 262 integer (262 binary) Root relaxation: cutoff, 255 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 (255 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.418656782413 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 428 rows and 428 columns Presolve time: 0.00s Presolved: 275 rows, 300 columns, 796 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 300 integer (300 binary) Root relaxation: cutoff, 252 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 (252 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.43768663616 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 402 rows and 402 columns Presolve time: 0.00s Presolved: 301 rows, 326 columns, 874 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 326 integer (326 binary) Root relaxation: objective 0.000000e+00, 250 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 0.0% - 0s Explored 0 nodes (250 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 [12, 16, 20] edges [(22, 12), (2, 12), (24, 16), (10, 12), (19, 20), (6, 16), (23, 12), (13, 16), (5, 16), (0, 16), (11, 12), (7, 12), (20, 20), (4, 16), (17, 12), (15, 12), (3, 16), (12, 12), (25, 12), (21, 12), (9, 16), (1, 12), (16, 16), (18, 12), (8, 16), (14, 20)] current theta: 0.428171709287 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 418 rows and 418 columns Presolve time: 0.00s Presolved: 285 rows, 310 columns, 826 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 310 integer (310 binary) Root relaxation: objective 0.000000e+00, 262 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 0.0% - 0s Explored 0 nodes (262 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 [7, 8, 14] edges [(20, 14), (10, 14), (22, 7), (12, 7), (2, 7), (14, 14), (5, 8), (6, 7), (19, 8), (4, 8), (16, 8), (21, 7), (23, 14), (3, 8), (17, 7), (24, 8), (25, 14), (0, 8), (9, 8), (11, 7), (1, 7), (7, 7), (8, 8), (15, 14), (18, 7), (13, 8)] current theta: 0.42341424585 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 424 rows and 424 columns Presolve time: 0.00s Presolved: 279 rows, 304 columns, 808 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 304 integer (304 binary) Root relaxation: cutoff, 252 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 (252 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.425792977568 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 420 rows and 420 columns Presolve time: 0.00s Presolved: 283 rows, 308 columns, 820 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 308 integer (308 binary) Root relaxation: objective 0.000000e+00, 227 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 0.0% - 0s Explored 0 nodes (227 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 [7, 20, 24] edges [(10, 7), (22, 7), (12, 7), (2, 7), (4, 7), (16, 24), (19, 20), (3, 24), (6, 7), (9, 24), (21, 7), (17, 7), (20, 20), (8, 24), (15, 7), (5, 7), (11, 7), (25, 24), (1, 7), (7, 7), (13, 24), (24, 24), (0, 24), (23, 24), (18, 7), (14, 20)] current theta: 0.424603611709 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 420 rows and 420 columns Presolve time: 0.00s Presolved: 283 rows, 308 columns, 820 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 308 integer (308 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [7, 20, 24] edges [(10, 7), (22, 7), (12, 7), (2, 7), (4, 7), (16, 24), (19, 20), (3, 24), (6, 7), (9, 24), (21, 7), (17, 7), (20, 20), (8, 24), (15, 7), (5, 7), (11, 7), (25, 24), (1, 7), (7, 7), (13, 24), (24, 24), (0, 24), (23, 24), (18, 7), (14, 20)] current theta: 0.42400892878 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 422 rows and 422 columns Presolve time: 0.00s Presolved: 281 rows, 306 columns, 814 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 306 integer (306 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [7, 20, 24] edges [(10, 7), (22, 7), (12, 7), (2, 7), (4, 7), (16, 24), (19, 20), (3, 24), (6, 7), (9, 24), (21, 7), (17, 7), (20, 20), (8, 24), (15, 7), (5, 7), (11, 7), (25, 24), (1, 7), (7, 7), (13, 24), (24, 24), (0, 24), (23, 24), (18, 7), (14, 20)] current theta: 0.423711587315 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 422 rows and 422 columns Presolve time: 0.00s Presolved: 281 rows, 306 columns, 814 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 306 integer (306 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [7, 20, 24] edges [(10, 7), (22, 7), (12, 7), (2, 7), (4, 7), (16, 24), (19, 20), (3, 24), (6, 7), (9, 24), (21, 7), (17, 7), (20, 20), (8, 24), (15, 7), (5, 7), (11, 7), (25, 24), (1, 7), (7, 7), (13, 24), (24, 24), (0, 24), (23, 24), (18, 7), (14, 20)] current theta: 0.423562916582 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 424 rows and 424 columns Presolve time: 0.00s Presolved: 279 rows, 304 columns, 808 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 304 integer (304 binary) Root relaxation: cutoff, 252 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 (252 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.423637251949 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:11 2012 Optimize a model with 703 rows, 728 columns and 2080 nonzeros Presolve removed 424 rows and 424 columns Presolve time: 0.00s Presolved: 279 rows, 304 columns, 808 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 304 integer (304 binary) Root relaxation: cutoff, 252 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 (252 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap -