current theta: 0.648850400175 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 102 rows and 104 columns Presolve time: 0.00s Presolved: 279 rows, 295 columns, 813 nonzeros Variable types: 0 continuous, 295 integer (295 binary) Root relaxation: objective 0.000000e+00, 67 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 (67 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 [6, 11] edges [(3, 11), (4, 11), (16, 11), (13, 11), (0, 11), (18, 6), (7, 11), (8, 11), (14, 11), (15, 11), (2, 6), (5, 11), (17, 11), (6, 6), (11, 11), (1, 11), (12, 11), (9, 11), (10, 11)] current theta: 0.324425200088 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 244 rows and 262 columns Presolve time: 0.00s Presolved: 137 rows, 137 columns, 371 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 137 integer (137 binary) Root relaxation: cutoff, 137 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 (137 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: 0.486637800132 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 160 rows and 165 columns Presolve time: 0.00s Presolved: 221 rows, 234 columns, 636 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 234 integer (234 binary) Root relaxation: objective 0.000000e+00, 135 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 (135 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 [2, 16] edges [(7, 16), (8, 2), (1, 16), (6, 2), (13, 2), (0, 16), (12, 16), (15, 2), (5, 2), (4, 16), (11, 16), (3, 16), (18, 2), (14, 16), (10, 16), (17, 16), (9, 16), (16, 16), (2, 2)] current theta: 0.40553150011 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 202 rows and 213 columns Presolve time: 0.00s Presolved: 179 rows, 186 columns, 504 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 186 integer (186 binary) Root relaxation: cutoff, 180 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 (180 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: 0.446084650121 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 174 rows and 180 columns Presolve time: 0.00s Presolved: 207 rows, 219 columns, 593 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 219 integer (219 binary) Root relaxation: objective 0.000000e+00, 150 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 (150 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 [2, 14] edges [(10, 14), (0, 14), (14, 14), (4, 14), (8, 2), (6, 2), (13, 2), (17, 14), (15, 2), (5, 2), (11, 14), (1, 14), (7, 14), (18, 2), (9, 14), (2, 2), (16, 14), (12, 14), (3, 14)] current theta: 0.425808075115 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 184 rows and 191 columns Presolve time: 0.00s Presolved: 197 rows, 208 columns, 562 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 208 integer (208 binary) Root relaxation: cutoff, 161 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 (161 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: 0.435946362618 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 180 rows and 186 columns Presolve time: 0.00s Presolved: 201 rows, 213 columns, 575 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 213 integer (213 binary) Root relaxation: cutoff, 178 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 (178 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: 0.441015506369 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 176 rows and 182 columns Presolve time: 0.00s Presolved: 205 rows, 217 columns, 587 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 binary) Root relaxation: cutoff, 6 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 (6 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 [2, 14] edges [(10, 14), (0, 14), (14, 14), (4, 14), (8, 2), (6, 2), (13, 2), (17, 14), (15, 2), (5, 2), (11, 14), (1, 14), (7, 14), (18, 2), (9, 14), (2, 2), (16, 14), (12, 14), (3, 14)] current theta: 0.438480934494 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 178 rows and 184 columns Presolve time: 0.00s Presolved: 203 rows, 215 columns, 581 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 215 integer (215 binary) Root relaxation: cutoff, 183 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 (183 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: 0.439748220431 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 176 rows and 182 columns Presolve time: 0.00s Presolved: 205 rows, 217 columns, 587 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 binary) Root relaxation: cutoff, 6 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 (6 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 [2, 14] edges [(10, 14), (0, 14), (14, 14), (4, 14), (8, 2), (6, 2), (13, 2), (17, 14), (15, 2), (5, 2), (11, 14), (1, 14), (7, 14), (18, 2), (9, 14), (2, 2), (16, 14), (12, 14), (3, 14)] current theta: 0.439114577462 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 178 rows and 184 columns Presolve time: 0.00s Presolved: 203 rows, 215 columns, 581 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 215 integer (215 binary) Root relaxation: cutoff, 183 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 (183 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: 0.439431398947 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 176 rows and 182 columns Presolve time: 0.00s Presolved: 205 rows, 217 columns, 587 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 binary) Root relaxation: cutoff, 6 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 (6 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 [2, 14] edges [(10, 14), (0, 14), (14, 14), (4, 14), (8, 2), (6, 2), (13, 2), (17, 14), (15, 2), (5, 2), (11, 14), (1, 14), (7, 14), (18, 2), (9, 14), (2, 2), (16, 14), (12, 14), (3, 14)] current theta: 0.439272988205 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 176 rows and 182 columns Presolve time: 0.00s Presolved: 205 rows, 217 columns, 587 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 binary) Root relaxation: cutoff, 6 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 (6 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 [2, 14] edges [(10, 14), (0, 14), (14, 14), (4, 14), (8, 2), (6, 2), (13, 2), (17, 14), (15, 2), (5, 2), (11, 14), (1, 14), (7, 14), (18, 2), (9, 14), (2, 2), (16, 14), (12, 14), (3, 14)] current theta: 0.439193782834 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:41 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 178 rows and 184 columns Presolve time: 0.00s Presolved: 203 rows, 215 columns, 581 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 215 integer (215 binary) Root relaxation: cutoff, 183 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 (183 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 -