current theta: 0.565048788402 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 346 rows and 350 columns Presolve time: 0.01s Presolved: 525 rows, 549 columns, 1539 nonzeros Variable types: 0 continuous, 549 integer (549 binary) Root relaxation: objective 0.000000e+00, 154 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 (154 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 [13, 19, 28] edges [(21, 28), (9, 19), (24, 28), (14, 19), (0, 28), (12, 19), (3, 19), (11, 28), (22, 28), (2, 28), (17, 28), (13, 28), (18, 13), (19, 19), (16, 28), (27, 28), (20, 19), (23, 28), (1, 19), (26, 13), (4, 13), (5, 19), (28, 28), (6, 13), (8, 28), (15, 28), (7, 13), (10, 28), (25, 28)] current theta: 0.282524394201 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 672 rows and 699 columns Presolve time: 0.00s Presolved: 199 rows, 200 columns, 538 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 200 integer (200 binary) Root relaxation: cutoff, 231 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 (231 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: 0.423786591302 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 498 rows and 505 columns Presolve time: 0.00s Presolved: 373 rows, 394 columns, 1080 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 394 integer (394 binary) Root relaxation: objective 0.000000e+00, 261 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 (261 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 [10, 14, 18] edges [(20, 14), (0, 14), (15, 10), (6, 18), (17, 10), (13, 18), (8, 14), (14, 14), (2, 10), (25, 10), (1, 10), (10, 10), (22, 18), (18, 18), (27, 14), (23, 14), (4, 10), (16, 10), (21, 14), (11, 14), (24, 10), (28, 14), (19, 14), (9, 14), (26, 18), (5, 14), (12, 14), (3, 14), (7, 10)] current theta: 0.353155492751 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 596 rows and 616 columns Presolve time: 0.00s Presolved: 275 rows, 283 columns, 773 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 283 integer (283 binary) Root relaxation: cutoff, 254 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 (254 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: 0.388471042027 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 542 rows and 553 columns Presolve time: 0.00s Presolved: 329 rows, 346 columns, 944 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 346 integer (346 binary) Root relaxation: cutoff, 284 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 (284 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.406128816664 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 522 rows and 530 columns Presolve time: 0.00s Presolved: 349 rows, 369 columns, 1007 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 369 integer (369 binary) Root relaxation: cutoff, 269 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 (269 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.414957703983 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 512 rows and 519 columns Presolve time: 0.00s Presolved: 359 rows, 380 columns, 1038 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 380 integer (380 binary) Root relaxation: objective 0.000000e+00, 305 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 (305 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 [8, 10, 26] edges [(28, 10), (14, 8), (12, 8), (21, 8), (15, 10), (17, 10), (11, 8), (20, 8), (2, 10), (5, 8), (25, 10), (19, 8), (10, 10), (26, 26), (16, 8), (3, 8), (1, 8), (4, 10), (6, 26), (13, 26), (22, 10), (0, 8), (9, 8), (23, 8), (24, 10), (8, 8), (18, 26), (7, 10), (27, 8)] current theta: 0.410543260324 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 518 rows and 525 columns Presolve time: 0.00s Presolved: 353 rows, 374 columns, 1020 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 374 integer (374 binary) Root relaxation: cutoff, 320 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 (320 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.412750482153 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 514 rows and 521 columns Presolve time: 0.00s Presolved: 357 rows, 378 columns, 1032 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 378 integer (378 binary) Root relaxation: cutoff, 7 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 (7 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 [8, 10, 26] edges [(28, 10), (14, 8), (12, 8), (21, 8), (15, 10), (17, 10), (11, 8), (20, 8), (2, 10), (5, 8), (25, 10), (19, 8), (10, 10), (26, 26), (16, 8), (3, 8), (1, 8), (4, 10), (6, 26), (13, 26), (22, 10), (0, 8), (9, 8), (23, 8), (24, 10), (8, 8), (18, 26), (7, 10), (27, 8)] current theta: 0.411646871238 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 514 rows and 521 columns Presolve time: 0.00s Presolved: 357 rows, 378 columns, 1032 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 378 integer (378 binary) Root relaxation: cutoff, 7 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 (7 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 [8, 10, 26] edges [(28, 10), (14, 8), (12, 8), (21, 8), (15, 10), (17, 10), (11, 8), (20, 8), (2, 10), (5, 8), (25, 10), (19, 8), (10, 10), (26, 26), (16, 8), (3, 8), (1, 8), (4, 10), (6, 26), (13, 26), (22, 10), (0, 8), (9, 8), (23, 8), (24, 10), (8, 8), (18, 26), (7, 10), (27, 8)] current theta: 0.411095065781 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 516 rows and 523 columns Presolve time: 0.00s Presolved: 355 rows, 376 columns, 1026 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 316 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 (316 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.41137096851 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 516 rows and 523 columns Presolve time: 0.00s Presolved: 355 rows, 376 columns, 1026 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 316 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 (316 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.411508919874 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 514 rows and 521 columns Presolve time: 0.00s Presolved: 357 rows, 378 columns, 1032 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 378 integer (378 binary) Root relaxation: cutoff, 7 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 (7 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 [8, 10, 26] edges [(28, 10), (14, 8), (12, 8), (21, 8), (15, 10), (17, 10), (11, 8), (20, 8), (2, 10), (5, 8), (25, 10), (19, 8), (10, 10), (26, 26), (16, 8), (3, 8), (1, 8), (4, 10), (6, 26), (13, 26), (22, 10), (0, 8), (9, 8), (23, 8), (24, 10), (8, 8), (18, 26), (7, 10), (27, 8)] current theta: 0.411439944192 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:22 2014 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 514 rows and 521 columns Presolve time: 0.00s Presolved: 357 rows, 378 columns, 1032 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 378 integer (378 binary) Root relaxation: cutoff, 7 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 (7 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 [8, 10, 26] edges [(28, 10), (14, 8), (12, 8), (21, 8), (15, 10), (17, 10), (11, 8), (20, 8), (2, 10), (5, 8), (25, 10), (19, 8), (10, 10), (26, 26), (16, 8), (3, 8), (1, 8), (4, 10), (6, 26), (13, 26), (22, 10), (0, 8), (9, 8), (23, 8), (24, 10), (8, 8), (18, 26), (7, 10), (27, 8)]