current theta: 0.501021929734

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 168 rows and 176 columns
Presolve time: 0.00s
Presolved: 213 rows, 223 columns, 609 nonzeros
Variable types: 0 continuous, 223 integer (223 binary)

Root relaxation: cutoff, 149 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 (149 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: 0.751532894601

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 44 rows and 44 columns
Presolve time: 0.00s
Presolved: 337 rows, 355 columns, 989 nonzeros
Variable types: 0 continuous, 355 integer (355 binary)

Root relaxation: objective 0.000000e+00, 95 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 (95 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 [11, 17]
edges [(3, 11), (4, 17), (16, 11), (18, 17), (9, 17), (13, 11), (10, 17), (0, 11), (6, 11), (8, 11), (14, 11), (15, 11), (17, 11), (7, 17), (11, 11), (1, 11), (12, 11), (2, 11), (5, 17)]


current theta: 0.626277412167

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 98 rows and 99 columns
Presolve time: 0.00s
Presolved: 283 rows, 300 columns, 826 nonzeros

Loaded MIP start with objective 0

Variable types: 0 continuous, 300 integer (300 binary)

Root relaxation: cutoff, 0 iterations, 0.00 seconds

Explored 0 nodes (0 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 [11, 17]
edges [(3, 11), (4, 17), (16, 11), (18, 17), (9, 17), (13, 11), (10, 17), (0, 11), (6, 11), (8, 11), (14, 11), (15, 11), (17, 11), (7, 17), (11, 11), (1, 11), (12, 11), (2, 11), (5, 17)]


current theta: 0.56364967095

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 128 rows and 130 columns
Presolve time: 0.00s
Presolved: 253 rows, 269 columns, 735 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 269 integer (269 binary)

Root relaxation: objective 0.000000e+00, 146 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 (265 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 [7, 10]
edges [(15, 10), (2, 7), (5, 10), (17, 10), (12, 10), (6, 7), (10, 10), (9, 10), (13, 7), (4, 10), (16, 10), (11, 7), (1, 7), (7, 7), (0, 10), (3, 7), (8, 10), (14, 10), (18, 7)]


current theta: 0.532335800342

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 146 rows and 151 columns
Presolve time: 0.00s
Presolved: 235 rows, 248 columns, 678 nonzeros

Loaded MIP start with objective 0

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

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


current theta: 0.516678865038

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 160 rows and 167 columns
Presolve time: 0.00s
Presolved: 221 rows, 232 columns, 634 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 232 integer (232 binary)

Root relaxation: objective 0.000000e+00, 178 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 (178 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 [10, 14]
edges [(0, 14), (6, 14), (15, 10), (17, 10), (12, 10), (10, 10), (9, 10), (13, 14), (4, 10), (16, 10), (11, 14), (1, 14), (7, 14), (18, 14), (5, 14), (8, 10), (14, 10), (2, 14), (3, 14)]


current theta: 0.508850397386

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 164 rows and 171 columns
Presolve time: 0.00s
Presolved: 217 rows, 228 columns, 622 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 228 integer (228 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 (171 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 [10, 14]
edges [(0, 14), (6, 14), (15, 10), (5, 10), (17, 10), (14, 14), (10, 10), (9, 10), (13, 14), (4, 10), (16, 10), (11, 14), (1, 14), (7, 14), (18, 14), (8, 10), (12, 14), (2, 14), (3, 14)]


current theta: 0.50493616356

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 168 rows and 176 columns
Presolve time: 0.00s
Presolved: 213 rows, 223 columns, 609 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 223 integer (223 binary)

Root relaxation: cutoff, 149 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 (149 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: 0.506893280473

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 168 rows and 176 columns
Presolve time: 0.00s
Presolved: 213 rows, 223 columns, 609 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 223 integer (223 binary)

Root relaxation: cutoff, 149 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 (149 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: 0.507871838929

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 166 rows and 174 columns
Presolve time: 0.00s
Presolved: 215 rows, 225 columns, 615 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 225 integer (225 binary)

Root relaxation: cutoff, 120 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 (120 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: 0.508361118158

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 164 rows and 171 columns
Presolve time: 0.00s
Presolved: 217 rows, 228 columns, 622 nonzeros

Loaded MIP start with objective 0

Variable types: 0 continuous, 228 integer (228 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 [10, 14]
edges [(0, 14), (6, 14), (15, 10), (5, 10), (17, 10), (14, 14), (10, 10), (9, 10), (13, 14), (4, 10), (16, 10), (11, 14), (1, 14), (7, 14), (18, 14), (8, 10), (12, 14), (2, 14), (3, 14)]


current theta: 0.508116478543

Gurobi 5.6.3 (linux64) logging started Tue Oct  7 20:26:40 2014

Optimize a model with 381 rows, 399 columns and 1121 nonzeros
Presolve removed 164 rows and 171 columns
Presolve time: 0.00s
Presolved: 217 rows, 228 columns, 622 nonzeros

Loaded MIP start with objective 0

Variable types: 0 continuous, 228 integer (228 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 [10, 14]
edges [(0, 14), (6, 14), (15, 10), (5, 10), (17, 10), (14, 14), (10, 10), (9, 10), (13, 14), (4, 10), (16, 10), (11, 14), (1, 14), (7, 14), (18, 14), (8, 10), (12, 14), (2, 14), (3, 14)]


current theta: 0.507994158736

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 166 rows and 174 columns
Presolve time: 0.00s
Presolved: 215 rows, 225 columns, 615 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 225 integer (225 binary)

Root relaxation: cutoff, 120 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 (120 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: 0.50805531864

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 166 rows and 174 columns
Presolve time: 0.00s
Presolved: 215 rows, 225 columns, 615 nonzeros

MIP start did not produce a feasible solution

Variable types: 0 continuous, 225 integer (225 binary)

Root relaxation: cutoff, 120 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 (120 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 -