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 20:26:40 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: 0.50805531864 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 -