current theta: 0.597472089588 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 340 rows and 340 columns Presolve time: 0.01s Presolved: 591 rows, 620 columns, 1740 nonzeros Variable types: 0 continuous, 620 integer (620 binary) Root relaxation: objective 0.000000e+00, 143 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 (143 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 [20, 28, 29] edges [(6, 28), (17, 20), (24, 28), (12, 29), (5, 20), (9, 29), (23, 20), (19, 29), (18, 20), (2, 28), (29, 20), (25, 29), (4, 29), (21, 29), (1, 29), (20, 20), (16, 28), (10, 29), (0, 20), (28, 28), (8, 28), (26, 29), (13, 29), (15, 28), (11, 20), (7, 20), (22, 20), (27, 29), (14, 20), (3, 29)] current theta: 0.298736044794 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 692 rows and 719 columns Presolve time: 0.00s Presolved: 239 rows, 241 columns, 657 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 241 integer (241 binary) Root relaxation: cutoff, 245 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 (245 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: 0.448104067191 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 524 rows and 532 columns Presolve time: 0.00s Presolved: 407 rows, 428 columns, 1180 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 428 integer (428 binary) Root relaxation: objective 0.000000e+00, 272 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 (272 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, 13, 18] edges [(19, 13), (13, 13), (21, 8), (28, 13), (25, 13), (3, 13), (1, 13), (12, 13), (9, 13), (2, 8), (5, 13), (16, 8), (22, 18), (18, 18), (20, 13), (0, 13), (17, 18), (24, 8), (23, 18), (4, 13), (15, 18), (8, 8), (10, 13), (26, 18), (7, 8), (29, 13), (11, 13), (6, 8), (14, 13), (27, 18)] current theta: 0.373420055993 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 600 rows and 612 columns Presolve time: 0.00s Presolved: 331 rows, 348 columns, 948 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 348 integer (348 binary) Root relaxation: cutoff, 329 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 (329 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: 0.410762061592 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 572 rows and 584 columns Presolve time: 0.00s Presolved: 359 rows, 376 columns, 1032 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: objective 0.000000e+00, 307 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 (307 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 [0, 8, 27] edges [(9, 0), (1, 0), (20, 27), (7, 27), (0, 0), (5, 27), (17, 27), (2, 8), (29, 0), (22, 27), (18, 27), (16, 8), (23, 27), (14, 0), (28, 0), (13, 0), (24, 8), (21, 27), (12, 0), (19, 0), (10, 27), (8, 8), (15, 27), (4, 0), (11, 0), (27, 27), (25, 0), (3, 0), (6, 8), (26, 27)] current theta: 0.392091058792 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 584 rows and 596 columns Presolve time: 0.00s Presolved: 347 rows, 364 columns, 996 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 364 integer (364 binary) Root relaxation: cutoff, 346 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 (346 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: 0.401426560192 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 580 rows and 592 columns Presolve time: 0.00s Presolved: 351 rows, 368 columns, 1008 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 368 integer (368 binary) Root relaxation: cutoff, 301 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 (301 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: 0.406094310892 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 576 rows and 588 columns Presolve time: 0.00s Presolved: 355 rows, 372 columns, 1020 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 372 integer (372 binary) Root relaxation: cutoff, 305 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 (305 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: 0.408428186242 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 572 rows and 584 columns Presolve time: 0.00s Presolved: 359 rows, 376 columns, 1032 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 8, 27] edges [(9, 0), (1, 0), (20, 27), (7, 27), (0, 0), (5, 27), (17, 27), (2, 8), (29, 0), (22, 27), (18, 27), (16, 8), (23, 27), (14, 0), (28, 0), (13, 0), (24, 8), (21, 27), (12, 0), (19, 0), (10, 27), (8, 8), (15, 27), (4, 0), (11, 0), (27, 27), (25, 0), (3, 0), (6, 8), (26, 27)] current theta: 0.407261248567 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 572 rows and 584 columns Presolve time: 0.00s Presolved: 359 rows, 376 columns, 1032 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 8, 27] edges [(9, 0), (1, 0), (20, 27), (7, 27), (0, 0), (5, 27), (17, 27), (2, 8), (29, 0), (22, 27), (18, 27), (16, 8), (23, 27), (14, 0), (28, 0), (13, 0), (24, 8), (21, 27), (12, 0), (19, 0), (10, 27), (8, 8), (15, 27), (4, 0), (11, 0), (27, 27), (25, 0), (3, 0), (6, 8), (26, 27)] current theta: 0.406677779729 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 572 rows and 584 columns Presolve time: 0.00s Presolved: 359 rows, 376 columns, 1032 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 8, 27] edges [(9, 0), (1, 0), (20, 27), (7, 27), (0, 0), (5, 27), (17, 27), (2, 8), (29, 0), (22, 27), (18, 27), (16, 8), (23, 27), (14, 0), (28, 0), (13, 0), (24, 8), (21, 27), (12, 0), (19, 0), (10, 27), (8, 8), (15, 27), (4, 0), (11, 0), (27, 27), (25, 0), (3, 0), (6, 8), (26, 27)] current theta: 0.406386045311 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 576 rows and 588 columns Presolve time: 0.00s Presolved: 355 rows, 372 columns, 1020 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 372 integer (372 binary) Root relaxation: cutoff, 305 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 (305 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: 0.40653191252 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 574 rows and 586 columns Presolve time: 0.00s Presolved: 357 rows, 374 columns, 1026 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 374 integer (374 binary) Root relaxation: cutoff, 329 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 (329 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: 0.406604846125 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:30 2014 Optimize a model with 931 rows, 960 columns and 2760 nonzeros Presolve removed 572 rows and 584 columns Presolve time: 0.00s Presolved: 359 rows, 376 columns, 1032 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 8, 27] edges [(9, 0), (1, 0), (20, 27), (7, 27), (0, 0), (5, 27), (17, 27), (2, 8), (29, 0), (22, 27), (18, 27), (16, 8), (23, 27), (14, 0), (28, 0), (13, 0), (24, 8), (21, 27), (12, 0), (19, 0), (10, 27), (8, 8), (15, 27), (4, 0), (11, 0), (27, 27), (25, 0), (3, 0), (6, 8), (26, 27)]