current theta: 0.582565506355 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 144 rows and 149 columns Presolve time: 0.00s Presolved: 237 rows, 250 columns, 684 nonzeros Variable types: 0 continuous, 250 integer (250 binary) Root relaxation: objective 0.000000e+00, 123 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 (123 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 [9, 10] edges [(16, 9), (18, 10), (17, 10), (12, 10), (11, 10), (10, 10), (15, 9), (9, 10), (4, 10), (5, 9), (0, 10), (6, 10), (13, 10), (8, 10), (14, 10), (3, 9), (1, 9), (2, 9), (7, 10)] current theta: 0.291282753177 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 284 rows and 302 columns Presolve time: 0.00s Presolved: 97 rows, 97 columns, 253 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 97 integer (97 binary) Root relaxation: cutoff, 104 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 (104 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: 0.436924129766 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 222 rows and 236 columns Presolve time: 0.00s Presolved: 159 rows, 163 columns, 441 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 163 integer (163 binary) Root relaxation: cutoff, 137 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 (137 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: 0.509744818061 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 176 rows and 185 columns Presolve time: 0.00s Presolved: 205 rows, 214 columns, 584 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 214 integer (214 binary) Root relaxation: cutoff, 165 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 (165 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: 0.546155162208 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 156 rows and 162 columns Presolve time: 0.00s Presolved: 225 rows, 237 columns, 647 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 237 integer (237 binary) Root relaxation: objective 0.000000e+00, 110 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 (110 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, 14] edges [(3, 11), (13, 11), (4, 14), (0, 11), (6, 11), (7, 11), (8, 11), (14, 11), (15, 11), (5, 11), (17, 11), (18, 11), (11, 11), (1, 11), (12, 11), (2, 11), (16, 14), (9, 11), (10, 11)] current theta: 0.527949990134 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 164 rows and 172 columns Presolve time: 0.00s Presolved: 217 rows, 227 columns, 621 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 227 integer (227 binary) Root relaxation: objective 0.000000e+00, 145 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 (145 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, 14] edges [(0, 14), (3, 11), (13, 11), (4, 14), (6, 11), (7, 11), (8, 11), (14, 11), (15, 11), (5, 11), (17, 11), (18, 11), (11, 11), (1, 11), (12, 11), (16, 14), (9, 11), (2, 14), (10, 11)] current theta: 0.518847404097 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 170 rows and 179 columns Presolve time: 0.00s Presolved: 211 rows, 220 columns, 602 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 220 integer (220 binary) Root relaxation: cutoff, 144 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 (144 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: 0.523398697116 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 168 rows and 177 columns Presolve time: 0.00s Presolved: 213 rows, 222 columns, 608 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 222 integer (222 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: 0.525674343625 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 164 rows and 172 columns Presolve time: 0.00s Presolved: 217 rows, 227 columns, 621 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 227 integer (227 binary) Root relaxation: cutoff, 7 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 (7 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, 14] edges [(0, 14), (3, 11), (13, 11), (4, 14), (6, 11), (7, 11), (8, 11), (14, 11), (15, 11), (5, 11), (17, 11), (18, 11), (11, 11), (1, 11), (12, 11), (16, 14), (9, 11), (2, 14), (10, 11)] current theta: 0.52453652037 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 168 rows and 177 columns Presolve time: 0.00s Presolved: 213 rows, 222 columns, 608 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 222 integer (222 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: 0.525105431998 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 166 rows and 175 columns Presolve time: 0.00s Presolved: 215 rows, 224 columns, 614 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 224 integer (224 binary) Root relaxation: cutoff, 8 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 (8 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, 14] edges [(0, 14), (3, 11), (13, 11), (4, 14), (6, 11), (7, 11), (8, 11), (14, 11), (15, 11), (5, 11), (17, 11), (18, 11), (11, 11), (1, 11), (12, 11), (16, 14), (9, 11), (2, 14), (10, 11)] current theta: 0.524820976184 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 168 rows and 177 columns Presolve time: 0.00s Presolved: 213 rows, 222 columns, 608 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 222 integer (222 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: 0.524963204091 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 168 rows and 177 columns Presolve time: 0.00s Presolved: 213 rows, 222 columns, 608 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 222 integer (222 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: 0.525034318044 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:39 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 166 rows and 175 columns Presolve time: 0.00s Presolved: 215 rows, 224 columns, 614 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 224 integer (224 binary) Root relaxation: cutoff, 8 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 (8 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, 14] edges [(0, 14), (3, 11), (13, 11), (4, 14), (6, 11), (7, 11), (8, 11), (14, 11), (15, 11), (5, 11), (17, 11), (18, 11), (11, 11), (1, 11), (12, 11), (16, 14), (9, 11), (2, 14), (10, 11)]