current theta: 0.628628217764 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 146 rows and 151 columns Presolve time: 0.00s Presolved: 275 rows, 289 columns, 797 nonzeros Variable types: 0 continuous, 289 integer (289 binary) Root relaxation: objective 0.000000e+00, 171 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 (320 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, 11] edges [(14, 8), (3, 11), (16, 11), (13, 11), (0, 11), (6, 11), (4, 8), (7, 11), (8, 11), (1, 8), (5, 11), (17, 11), (18, 11), (11, 11), (12, 11), (2, 11), (19, 11), (9, 11), (10, 11), (15, 8)] current theta: 0.314314108882 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 298 rows and 318 columns Presolve time: 0.00s Presolved: 123 rows, 122 columns, 326 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 122 integer (122 binary) Root relaxation: cutoff, 135 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 (135 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: 0.471471163323 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 232 rows and 242 columns Presolve time: 0.00s Presolved: 189 rows, 198 columns, 534 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 198 integer (198 binary) Root relaxation: cutoff, 143 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 (143 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: 0.550049690544 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 192 rows and 200 columns Presolve time: 0.00s Presolved: 229 rows, 240 columns, 656 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 240 integer (240 binary) Root relaxation: objective 0.000000e+00, 125 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 (125 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 [13, 17] edges [(0, 17), (12, 17), (19, 13), (13, 13), (4, 17), (17, 17), (18, 17), (9, 17), (3, 13), (1, 13), (14, 17), (10, 17), (16, 17), (8, 17), (7, 17), (2, 17), (6, 13), (5, 17), (15, 17), (11, 17)] current theta: 0.510760426934 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 210 rows and 220 columns Presolve time: 0.00s Presolved: 211 rows, 220 columns, 600 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 220 integer (220 binary) Root relaxation: cutoff, 144 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 (144 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: 0.530405058739 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 200 rows and 209 columns Presolve time: 0.00s Presolved: 221 rows, 231 columns, 631 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 231 integer (231 binary) Root relaxation: cutoff, 8 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 (8 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 [13, 17] edges [(0, 17), (12, 17), (19, 13), (13, 13), (4, 17), (17, 17), (18, 17), (9, 17), (3, 13), (1, 13), (14, 17), (10, 17), (16, 17), (8, 17), (7, 17), (2, 17), (6, 13), (5, 17), (15, 17), (11, 17)] current theta: 0.520582742836 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 204 rows and 214 columns Presolve time: 0.00s Presolved: 217 rows, 226 columns, 618 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 226 integer (226 binary) Root relaxation: cutoff, 9 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 (9 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 [13, 17] edges [(0, 17), (12, 17), (19, 13), (13, 13), (4, 17), (17, 17), (18, 17), (9, 17), (3, 13), (1, 13), (14, 17), (10, 17), (16, 17), (8, 17), (7, 17), (2, 17), (6, 13), (5, 17), (15, 17), (11, 17)] current theta: 0.515671584885 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 208 rows and 218 columns Presolve time: 0.00s Presolved: 213 rows, 222 columns, 606 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 222 integer (222 binary) Root relaxation: cutoff, 165 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 (165 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: 0.518127163861 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 208 rows and 218 columns Presolve time: 0.00s Presolved: 213 rows, 222 columns, 606 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 222 integer (222 binary) Root relaxation: cutoff, 165 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 (165 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: 0.519354953348 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 208 rows and 218 columns Presolve time: 0.00s Presolved: 213 rows, 222 columns, 606 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 222 integer (222 binary) Root relaxation: cutoff, 165 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 (165 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: 0.519968848092 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 206 rows and 216 columns Presolve time: 0.00s Presolved: 215 rows, 224 columns, 612 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 224 integer (224 binary) Root relaxation: cutoff, 9 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 (9 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 [13, 17] edges [(0, 17), (12, 17), (19, 13), (13, 13), (4, 17), (17, 17), (18, 17), (9, 17), (3, 13), (1, 13), (14, 17), (10, 17), (16, 17), (8, 17), (7, 17), (2, 17), (6, 13), (5, 17), (15, 17), (11, 17)] current theta: 0.51966190072 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 208 rows and 218 columns Presolve time: 0.00s Presolved: 213 rows, 222 columns, 606 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 222 integer (222 binary) Root relaxation: cutoff, 165 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 (165 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: 0.519815374406 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 206 rows and 216 columns Presolve time: 0.00s Presolved: 215 rows, 224 columns, 612 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 224 integer (224 binary) Root relaxation: cutoff, 9 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 (9 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 [13, 17] edges [(0, 17), (12, 17), (19, 13), (13, 13), (4, 17), (17, 17), (18, 17), (9, 17), (3, 13), (1, 13), (14, 17), (10, 17), (16, 17), (8, 17), (7, 17), (2, 17), (6, 13), (5, 17), (15, 17), (11, 17)] current theta: 0.519738637563 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:42 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 206 rows and 216 columns Presolve time: 0.00s Presolved: 215 rows, 224 columns, 612 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 224 integer (224 binary) Root relaxation: cutoff, 9 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 (9 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 [13, 17] edges [(0, 17), (12, 17), (19, 13), (13, 13), (4, 17), (17, 17), (18, 17), (9, 17), (3, 13), (1, 13), (14, 17), (10, 17), (16, 17), (8, 17), (7, 17), (2, 17), (6, 13), (5, 17), (15, 17), (11, 17)]