current theta: 0.588955540893 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 142 rows and 148 columns Presolve time: 0.00s Presolved: 239 rows, 251 columns, 689 nonzeros Variable types: 0 continuous, 251 integer (251 binary) Root relaxation: objective 0.000000e+00, 126 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 (126 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, 14] edges [(16, 9), (9, 9), (6, 14), (10, 9), (0, 9), (8, 14), (14, 14), (7, 9), (15, 9), (13, 9), (17, 14), (11, 9), (12, 9), (5, 9), (18, 9), (3, 9), (1, 9), (4, 9), (2, 9)] current theta: 0.294477770447 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 294 rows and 312 columns Presolve time: 0.00s Presolved: 87 rows, 87 columns, 225 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 87 integer (86 binary) Root relaxation: cutoff, 94 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 (94 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: 0.44171665567 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 218 rows and 233 columns Presolve time: 0.00s Presolved: 163 rows, 166 columns, 452 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 166 integer (166 binary) Root relaxation: cutoff, 145 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 (145 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: 0.515336098282 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 184 rows and 196 columns Presolve time: 0.00s Presolved: 197 rows, 203 columns, 557 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 203 integer (203 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: 0.552145819587 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 162 rows and 169 columns Presolve time: 0.00s Presolved: 219 rows, 230 columns, 628 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 230 integer (230 binary) Root relaxation: objective 0.000000e+00, 149 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 (149 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] edges [(14, 8), (12, 8), (5, 10), (11, 8), (18, 8), (2, 10), (17, 8), (1, 10), (4, 8), (16, 8), (3, 8), (10, 8), (0, 8), (9, 8), (8, 8), (13, 10), (7, 8), (6, 8), (15, 8)] current theta: 0.533740958935 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 170 rows and 180 columns Presolve time: 0.00s Presolved: 211 rows, 219 columns, 601 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 219 integer (219 binary) Root relaxation: objective 0.000000e+00, 134 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 (134 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] edges [(14, 8), (12, 8), (5, 10), (11, 8), (18, 8), (2, 10), (17, 8), (1, 10), (10, 10), (4, 8), (16, 8), (3, 8), (0, 8), (9, 8), (8, 8), (13, 10), (7, 8), (6, 8), (15, 8)] current theta: 0.524538528608 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 176 rows and 186 columns Presolve time: 0.00s Presolved: 205 rows, 213 columns, 583 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 213 integer (213 binary) Root relaxation: cutoff, 134 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 (134 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: 0.529139743771 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 172 rows and 182 columns Presolve time: 0.00s Presolved: 209 rows, 217 columns, 595 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 217 integer (217 binary) Root relaxation: objective 0.000000e+00, 132 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 (132 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, 12] edges [(8, 12), (14, 8), (12, 8), (2, 12), (11, 8), (18, 8), (10, 12), (5, 8), (17, 8), (4, 8), (16, 8), (0, 8), (9, 8), (3, 12), (1, 12), (7, 8), (6, 8), (15, 8), (13, 8)] current theta: 0.52683913619 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 174 rows and 184 columns Presolve time: 0.00s Presolved: 207 rows, 215 columns, 589 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 215 integer (215 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: 0.527989439981 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 172 rows and 182 columns Presolve time: 0.00s Presolved: 209 rows, 217 columns, 595 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 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 [8, 12] edges [(8, 12), (14, 8), (12, 8), (2, 12), (11, 8), (18, 8), (10, 12), (5, 8), (17, 8), (4, 8), (16, 8), (0, 8), (9, 8), (3, 12), (1, 12), (7, 8), (6, 8), (15, 8), (13, 8)] current theta: 0.527414288085 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 172 rows and 182 columns Presolve time: 0.00s Presolved: 209 rows, 217 columns, 595 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 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 [8, 12] edges [(8, 12), (14, 8), (12, 8), (2, 12), (11, 8), (18, 8), (10, 12), (5, 8), (17, 8), (4, 8), (16, 8), (0, 8), (9, 8), (3, 12), (1, 12), (7, 8), (6, 8), (15, 8), (13, 8)] current theta: 0.527126712137 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 172 rows and 182 columns Presolve time: 0.00s Presolved: 209 rows, 217 columns, 595 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 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 [8, 12] edges [(8, 12), (14, 8), (12, 8), (2, 12), (11, 8), (18, 8), (10, 12), (5, 8), (17, 8), (4, 8), (16, 8), (0, 8), (9, 8), (3, 12), (1, 12), (7, 8), (6, 8), (15, 8), (13, 8)] current theta: 0.526982924164 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 172 rows and 182 columns Presolve time: 0.00s Presolved: 209 rows, 217 columns, 595 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 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 [8, 12] edges [(8, 12), (14, 8), (12, 8), (2, 12), (11, 8), (18, 8), (10, 12), (5, 8), (17, 8), (4, 8), (16, 8), (0, 8), (9, 8), (3, 12), (1, 12), (7, 8), (6, 8), (15, 8), (13, 8)] current theta: 0.526911030177 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 172 rows and 182 columns Presolve time: 0.00s Presolved: 209 rows, 217 columns, 595 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 217 integer (217 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 [8, 12] edges [(8, 12), (14, 8), (12, 8), (2, 12), (11, 8), (18, 8), (10, 12), (5, 8), (17, 8), (4, 8), (16, 8), (0, 8), (9, 8), (3, 12), (1, 12), (7, 8), (6, 8), (15, 8), (13, 8)]