current theta: 0.5103395494 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 254 rows and 263 columns Presolve time: 0.00s Presolved: 253 rows, 265 columns, 725 nonzeros Variable types: 0 continuous, 265 integer (265 binary) Root relaxation: objective 3.552714e-15, 196 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 (344 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 [11, 12, 15] edges [(7, 15), (4, 11), (16, 11), (9, 15), (15, 15), (13, 11), (6, 12), (18, 15), (0, 11), (14, 11), (2, 15), (5, 11), (17, 11), (19, 12), (10, 15), (11, 11), (12, 12), (1, 11), (21, 12), (8, 15), (3, 12), (20, 11)] current theta: 0.2551697747 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 392 rows and 414 columns Presolve time: 0.00s Presolved: 115 rows, 114 columns, 298 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 114 integer (114 binary) Root relaxation: cutoff, 117 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 (117 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: 0.38275466205 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 330 rows and 352 columns Presolve time: 0.00s Presolved: 177 rows, 176 columns, 484 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 176 integer (176 binary) Root relaxation: objective 0.000000e+00, 124 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 (124 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 [1, 7, 9] edges [(10, 7), (14, 1), (9, 9), (5, 1), (16, 7), (2, 7), (20, 1), (0, 9), (11, 1), (8, 9), (4, 1), (17, 1), (6, 9), (21, 9), (1, 1), (15, 7), (12, 9), (7, 7), (19, 9), (18, 9), (3, 9), (13, 1)] current theta: 0.318962218375 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 368 rows and 390 columns Presolve time: 0.00s Presolved: 139 rows, 138 columns, 370 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 138 integer (138 binary) Root relaxation: cutoff, 130 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 (130 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: 0.350858440212 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 354 rows and 376 columns Presolve time: 0.00s Presolved: 153 rows, 152 columns, 412 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 152 integer (152 binary) Root relaxation: cutoff, 118 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 (118 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: 0.366806551131 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 346 rows and 368 columns Presolve time: 0.00s Presolved: 161 rows, 160 columns, 436 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 160 integer (160 binary) Root relaxation: cutoff, 150 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 (150 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: 0.37478060659 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 340 rows and 362 columns Presolve time: 0.00s Presolved: 167 rows, 166 columns, 454 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 166 integer (166 binary) Root relaxation: cutoff, 122 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 (122 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: 0.37876763432 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 330 rows and 352 columns Presolve time: 0.00s Presolved: 177 rows, 176 columns, 484 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 176 integer (176 binary) Root relaxation: cutoff, 21 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 (21 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 [1, 7, 9] edges [(10, 7), (14, 1), (9, 9), (5, 1), (16, 7), (2, 7), (20, 1), (0, 9), (11, 1), (8, 9), (4, 1), (17, 1), (6, 9), (21, 9), (1, 1), (15, 7), (12, 9), (7, 7), (19, 9), (18, 9), (3, 9), (13, 1)] current theta: 0.376774120455 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 332 rows and 354 columns Presolve time: 0.00s Presolved: 175 rows, 174 columns, 478 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 174 integer (174 binary) Root relaxation: cutoff, 21 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 (21 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 [1, 7, 9] edges [(10, 7), (14, 1), (9, 9), (5, 1), (16, 7), (2, 7), (20, 1), (0, 9), (11, 1), (8, 9), (4, 1), (17, 1), (6, 9), (21, 9), (1, 1), (15, 7), (12, 9), (7, 7), (19, 9), (18, 9), (3, 9), (13, 1)] current theta: 0.375777363523 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 336 rows and 358 columns Presolve time: 0.00s Presolved: 171 rows, 170 columns, 466 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 170 integer (170 binary) Root relaxation: objective 0.000000e+00, 148 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 (148 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 [9, 11, 16] edges [(9, 9), (0, 9), (7, 16), (13, 11), (2, 16), (8, 9), (14, 11), (6, 9), (21, 9), (5, 11), (4, 16), (15, 16), (12, 9), (10, 16), (17, 16), (19, 9), (11, 11), (1, 11), (18, 9), (16, 16), (3, 9), (20, 11)] current theta: 0.375278985057 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 338 rows and 360 columns Presolve time: 0.00s Presolved: 169 rows, 168 columns, 460 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 168 integer (168 binary) Root relaxation: cutoff, 147 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 (147 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: 0.37552817429 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 336 rows and 358 columns Presolve time: 0.00s Presolved: 171 rows, 170 columns, 466 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 170 integer (170 binary) Root relaxation: cutoff, 21 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 (21 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 [9, 11, 16] edges [(9, 9), (0, 9), (7, 16), (13, 11), (2, 16), (8, 9), (14, 11), (6, 9), (21, 9), (5, 11), (4, 16), (15, 16), (12, 9), (10, 16), (17, 16), (19, 9), (11, 11), (1, 11), (18, 9), (16, 16), (3, 9), (20, 11)] current theta: 0.375403579673 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 336 rows and 358 columns Presolve time: 0.00s Presolved: 171 rows, 170 columns, 466 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 170 integer (170 binary) Root relaxation: cutoff, 21 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 (21 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 [9, 11, 16] edges [(9, 9), (0, 9), (7, 16), (13, 11), (2, 16), (8, 9), (14, 11), (6, 9), (21, 9), (5, 11), (4, 16), (15, 16), (12, 9), (10, 16), (17, 16), (19, 9), (11, 11), (1, 11), (18, 9), (16, 16), (3, 9), (20, 11)] current theta: 0.375341282365 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:51 2014 Optimize a model with 507 rows, 528 columns and 1496 nonzeros Presolve removed 338 rows and 360 columns Presolve time: 0.00s Presolved: 169 rows, 168 columns, 460 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 168 integer (168 binary) Root relaxation: cutoff, 147 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 (147 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 -