current theta: 0.554754707884

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 166 rows and 170 columns
Presolve time: 0.00s
Presolved: 255 rows, 270 columns, 738 nonzeros
Variable types: 0 continuous, 270 integer (270 binary)

Root relaxation: objective 0.000000e+00, 239 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 (420 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 [1, 13]
edges [(19, 13), (13, 13), (5, 1), (6, 1), (3, 13), (12, 1), (16, 13), (17, 1), (9, 13), (18, 1), (10, 1), (0, 13), (1, 1), (2, 1), (8, 13), (4, 13), (15, 1), (7, 1), (11, 13), (14, 13)]


current theta: 0.277377353942

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 318 rows and 337 columns
Presolve time: 0.00s
Presolved: 103 rows, 103 columns, 271 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 103 integer (102 binary)

Root relaxation: cutoff, 101 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 (101 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: 0.416066030913

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 238 rows and 251 columns
Presolve time: 0.00s
Presolved: 183 rows, 189 columns, 513 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 189 integer (189 binary)

Root relaxation: cutoff, 157 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 (157 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: 0.485410369399

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: cutoff, 196 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 (196 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: 0.520082538642

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 180 rows and 185 columns
Presolve time: 0.00s
Presolved: 241 rows, 255 columns, 695 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 255 integer (255 binary)

Root relaxation: objective 0.000000e+00, 182 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 (182 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 [5, 17]
edges [(8, 5), (12, 17), (4, 5), (18, 5), (0, 5), (10, 17), (14, 5), (6, 5), (19, 5), (15, 5), (11, 5), (3, 5), (7, 17), (17, 5), (13, 5), (9, 5), (1, 17), (2, 17), (5, 17), (16, 5)]


current theta: 0.50274645402

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 188 rows and 195 columns
Presolve time: 0.00s
Presolved: 233 rows, 245 columns, 669 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 245 integer (245 binary)

Root relaxation: cutoff, 205 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 (205 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: 0.511414496331

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 186 rows and 192 columns
Presolve time: 0.00s
Presolved: 235 rows, 248 columns, 676 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 248 integer (248 binary)

Root relaxation: objective 0.000000e+00, 195 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 (195 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, 5]
edges [(8, 5), (5, 1), (18, 5), (0, 5), (14, 5), (4, 1), (17, 1), (6, 5), (19, 5), (15, 5), (10, 1), (11, 5), (7, 5), (2, 1), (3, 5), (13, 5), (9, 5), (1, 5), (16, 5), (12, 5)]


current theta: 0.507080475176

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 186 rows and 192 columns
Presolve time: 0.00s
Presolved: 235 rows, 248 columns, 676 nonzeros

Loaded MIP start with objective 0

Variable types: 0 continuous, 248 integer (248 binary)

Root relaxation: cutoff, 5 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 (5 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, 5]
edges [(8, 5), (5, 1), (18, 5), (0, 5), (14, 5), (4, 1), (17, 1), (6, 5), (19, 5), (15, 5), (10, 1), (11, 5), (7, 5), (2, 1), (3, 5), (13, 5), (9, 5), (1, 5), (16, 5), (12, 5)]


current theta: 0.504913464598

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 188 rows and 195 columns
Presolve time: 0.00s
Presolved: 233 rows, 245 columns, 669 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 245 integer (245 binary)

Root relaxation: cutoff, 205 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 (205 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: 0.505996969887

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 188 rows and 195 columns
Presolve time: 0.00s
Presolved: 233 rows, 245 columns, 669 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 245 integer (245 binary)

Root relaxation: cutoff, 205 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 (205 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: 0.506538722531

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 188 rows and 195 columns
Presolve time: 0.00s
Presolved: 233 rows, 245 columns, 669 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 245 integer (245 binary)

Root relaxation: cutoff, 205 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 (205 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: 0.506809598853

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 186 rows and 192 columns
Presolve time: 0.00s
Presolved: 235 rows, 248 columns, 676 nonzeros

Loaded MIP start with objective 0

Variable types: 0 continuous, 248 integer (248 binary)

Root relaxation: cutoff, 5 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 (5 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, 5]
edges [(8, 5), (5, 1), (18, 5), (0, 5), (14, 5), (4, 1), (17, 1), (6, 5), (19, 5), (15, 5), (10, 1), (11, 5), (7, 5), (2, 1), (3, 5), (13, 5), (9, 5), (1, 5), (16, 5), (12, 5)]


current theta: 0.506674160692

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 186 rows and 192 columns
Presolve time: 0.00s
Presolved: 235 rows, 248 columns, 676 nonzeros

Loaded MIP start with objective 0

Variable types: 0 continuous, 248 integer (248 binary)

Root relaxation: cutoff, 5 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 (5 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, 5]
edges [(8, 5), (5, 1), (18, 5), (0, 5), (14, 5), (4, 1), (17, 1), (6, 5), (19, 5), (15, 5), (10, 1), (11, 5), (7, 5), (2, 1), (3, 5), (13, 5), (9, 5), (1, 5), (16, 5), (12, 5)]


current theta: 0.506606441612

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 188 rows and 195 columns
Presolve time: 0.00s
Presolved: 233 rows, 245 columns, 669 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 245 integer (245 binary)

Root relaxation: cutoff, 205 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 (205 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 -