current theta: 0.537378518858 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 180 rows and 186 columns Presolve time: 0.00s Presolved: 241 rows, 254 columns, 694 nonzeros Variable types: 0 continuous, 254 integer (254 binary) Root relaxation: objective 0.000000e+00, 151 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 (151 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, 18] edges [(8, 18), (19, 18), (6, 18), (1, 18), (13, 18), (16, 2), (5, 18), (18, 18), (15, 2), (14, 18), (7, 2), (0, 18), (12, 18), (9, 18), (11, 18), (10, 2), (17, 2), (3, 18), (2, 2), (4, 2)] current theta: 0.268689259429 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 316 rows and 336 columns Presolve time: 0.00s Presolved: 105 rows, 104 columns, 272 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 104 integer (104 binary) Root relaxation: cutoff, 113 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 (113 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: 0.403033889143 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 258 rows and 275 columns Presolve time: 0.00s Presolved: 163 rows, 165 columns, 449 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 165 integer (165 binary) Root relaxation: cutoff, 151 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 (151 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: 0.470206204 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 222 rows and 234 columns Presolve time: 0.00s Presolved: 199 rows, 206 columns, 562 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 206 integer (206 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: 0.503792361429 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 206 rows and 217 columns Presolve time: 0.00s Presolved: 215 rows, 223 columns, 611 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 223 integer (223 binary) Root relaxation: objective 0.000000e+00, 183 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 (183 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)] current theta: 0.486999282715 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 216 rows and 228 columns Presolve time: 0.00s Presolved: 205 rows, 212 columns, 580 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 212 integer (212 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)] current theta: 0.478602743358 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 218 rows and 230 columns Presolve time: 0.00s Presolved: 203 rows, 210 columns, 574 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 210 integer (210 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)] current theta: 0.474404473679 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 218 rows and 230 columns Presolve time: 0.00s Presolved: 203 rows, 210 columns, 574 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 210 integer (210 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)] current theta: 0.47230533884 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 218 rows and 230 columns Presolve time: 0.00s Presolved: 203 rows, 210 columns, 574 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 210 integer (210 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)] current theta: 0.47125577142 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 220 rows and 232 columns Presolve time: 0.00s Presolved: 201 rows, 208 columns, 568 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 208 integer (208 binary) Root relaxation: cutoff, 200 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 (200 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: 0.47178055513 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 218 rows and 230 columns Presolve time: 0.00s Presolved: 203 rows, 210 columns, 574 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 210 integer (210 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)] current theta: 0.471518163275 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 218 rows and 230 columns Presolve time: 0.00s Presolved: 203 rows, 210 columns, 574 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 210 integer (210 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)] current theta: 0.471386967348 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 218 rows and 230 columns Presolve time: 0.00s Presolved: 203 rows, 210 columns, 574 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 210 integer (210 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)] current theta: 0.471321369384 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:44 2014 Optimize a model with 421 rows, 440 columns and 1240 nonzeros Presolve removed 218 rows and 230 columns Presolve time: 0.00s Presolved: 203 rows, 210 columns, 574 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 210 integer (210 binary) Root relaxation: cutoff, 11 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 (11 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 [0, 11] edges [(16, 0), (1, 0), (4, 11), (0, 0), (15, 0), (7, 0), (8, 11), (14, 11), (5, 11), (6, 0), (13, 0), (17, 11), (18, 11), (19, 0), (11, 0), (12, 11), (2, 11), (3, 0), (9, 11), (10, 11)]