current theta: 0.656099918357 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 164 rows and 171 columns Presolve time: 0.00s Presolved: 257 rows, 269 columns, 741 nonzeros Variable types: 0 continuous, 269 integer (269 binary) Root relaxation: objective 0.000000e+00, 153 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 (153 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, 12] edges [(10, 7), (8, 12), (4, 12), (2, 12), (12, 7), (6, 12), (14, 12), (17, 7), (7, 12), (13, 7), (19, 7), (15, 12), (11, 7), (16, 12), (3, 12), (1, 12), (18, 12), (0, 12), (9, 12), (5, 12)] current theta: 0.328049959179 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 302 rows and 322 columns Presolve time: 0.00s Presolved: 119 rows, 118 columns, 314 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 118 integer (118 binary) Root relaxation: cutoff, 132 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 (132 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: 0.492074938768 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 240 rows and 253 columns Presolve time: 0.00s Presolved: 181 rows, 187 columns, 507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 187 integer (187 binary) Root relaxation: cutoff, 181 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 (181 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: 0.574087428562 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 200 rows and 211 columns Presolve time: 0.00s Presolved: 221 rows, 229 columns, 629 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 229 integer (229 binary) Root relaxation: objective 0.000000e+00, 180 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 (180 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 [6, 14] edges [(10, 14), (0, 14), (8, 14), (14, 14), (4, 14), (17, 14), (13, 14), (16, 6), (12, 6), (11, 14), (1, 14), (7, 14), (6, 6), (18, 14), (19, 14), (9, 14), (15, 14), (5, 14), (2, 14), (3, 14)] current theta: 0.533081183665 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 231 columns Presolve time: 0.00s Presolved: 203 rows, 209 columns, 573 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 209 integer (209 binary) Root relaxation: objective 0.000000e+00, 166 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 (166 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, 12] edges [(8, 12), (6, 12), (14, 12), (7, 0), (13, 0), (15, 12), (12, 0), (19, 0), (16, 12), (4, 0), (11, 0), (3, 12), (1, 12), (18, 12), (10, 0), (0, 12), (17, 0), (9, 12), (5, 12), (2, 0)] current theta: 0.512578061216 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 234 rows and 247 columns Presolve time: 0.00s Presolved: 187 rows, 193 columns, 525 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 193 integer (193 binary) Root relaxation: cutoff, 167 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 (167 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: 0.522829622441 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 224 rows and 237 columns Presolve time: 0.00s Presolved: 197 rows, 203 columns, 555 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 203 integer (203 binary) Root relaxation: cutoff, 164 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 (164 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: 0.527955403053 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 231 columns Presolve time: 0.00s Presolved: 203 rows, 209 columns, 573 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 209 integer (209 binary) Root relaxation: cutoff, 12 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 (12 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, 12] edges [(8, 12), (6, 12), (14, 12), (7, 0), (13, 0), (15, 12), (12, 0), (19, 0), (16, 12), (4, 0), (11, 0), (3, 12), (1, 12), (18, 12), (10, 0), (0, 12), (17, 0), (9, 12), (5, 12), (2, 0)] current theta: 0.525392512747 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 235 columns Presolve time: 0.00s Presolved: 199 rows, 205 columns, 561 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 205 integer (205 binary) Root relaxation: cutoff, 179 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 (179 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: 0.5266739579 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 231 columns Presolve time: 0.00s Presolved: 203 rows, 209 columns, 573 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 209 integer (209 binary) Root relaxation: cutoff, 12 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 (12 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, 12] edges [(8, 12), (6, 12), (14, 12), (7, 0), (13, 0), (15, 12), (12, 0), (19, 0), (16, 12), (4, 0), (11, 0), (3, 12), (1, 12), (18, 12), (10, 0), (0, 12), (17, 0), (9, 12), (5, 12), (2, 0)] current theta: 0.526033235323 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 233 columns Presolve time: 0.00s Presolved: 201 rows, 207 columns, 567 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 207 integer (207 binary) Root relaxation: cutoff, 13 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 (13 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, 12] edges [(8, 12), (6, 12), (14, 12), (7, 0), (13, 0), (15, 12), (12, 0), (19, 0), (16, 12), (4, 0), (11, 0), (3, 12), (1, 12), (18, 12), (10, 0), (0, 12), (17, 0), (9, 12), (5, 12), (2, 0)] current theta: 0.525712874035 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 233 columns Presolve time: 0.00s Presolved: 201 rows, 207 columns, 567 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 207 integer (207 binary) Root relaxation: cutoff, 13 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 (13 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, 12] edges [(8, 12), (6, 12), (14, 12), (7, 0), (13, 0), (15, 12), (12, 0), (19, 0), (16, 12), (4, 0), (11, 0), (3, 12), (1, 12), (18, 12), (10, 0), (0, 12), (17, 0), (9, 12), (5, 12), (2, 0)] current theta: 0.525552693391 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 235 columns Presolve time: 0.00s Presolved: 199 rows, 205 columns, 561 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 205 integer (205 binary) Root relaxation: cutoff, 179 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 (179 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: 0.525632783713 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 235 columns Presolve time: 0.00s Presolved: 199 rows, 205 columns, 561 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 205 integer (205 binary) Root relaxation: cutoff, 179 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 (179 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 -