current bounds on the number of colors: 0 -- 192
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:49 2012
Optimize a model with 18048 rows, 18618 columns and 72000 nonzeros
Presolve removed 26 rows and 2496 columns
Presolve time: 0.12s
Presolved: 18022 rows, 16122 columns, 69504 nonzeros
Variable types: 0 continuous, 16122 integer (16122 binary)
Root relaxation: objective 0.000000e+00, 293 iterations, 0.01 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 0.0% - 0s
Explored 0 nodes (293 simplex iterations) in 0.13 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%
current bounds on the number of colors: 0 -- 96
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:49 2012
Optimize a model with 9120 rows, 9402 columns and 36000 nonzeros
Presolve removed 26 rows and 1248 columns
Presolve time: 0.08s
Presolved: 9094 rows, 8154 columns, 34752 nonzeros
Variable types: 0 continuous, 8154 integer (8154 binary)
Root relaxation: objective 0.000000e+00, 293 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 0.0% - 0s
Explored 0 nodes (293 simplex iterations) in 0.09 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%
current bounds on the number of colors: 0 -- 48
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:50 2012
Optimize a model with 4656 rows, 4794 columns and 18000 nonzeros
Presolve removed 26 rows and 624 columns
Presolve time: 0.03s
Presolved: 4630 rows, 4170 columns, 17376 nonzeros
Variable types: 0 continuous, 4170 integer (4170 binary)
Root relaxation: objective 0.000000e+00, 292 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 0.0% - 0s
Explored 0 nodes (292 simplex iterations) in 0.03 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%
current bounds on the number of colors: 0 -- 24
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:50 2012
Optimize a model with 2424 rows, 2490 columns and 9000 nonzeros
Presolve removed 26 rows and 312 columns
Presolve time: 0.01s
Presolved: 2398 rows, 2178 columns, 8688 nonzeros
Variable types: 0 continuous, 2178 integer (2178 binary)
Root relaxation: objective 0.000000e+00, 292 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 0.0% - 0s
Explored 0 nodes (292 simplex iterations) in 0.01 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%
current bounds on the number of colors: 0 -- 12
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:50 2012
Optimize a model with 1308 rows, 1338 columns and 4500 nonzeros
Presolve removed 26 rows and 156 columns
Presolve time: 0.00s
Presolved: 1282 rows, 1182 columns, 4344 nonzeros
Variable types: 0 continuous, 1182 integer (1182 binary)
Root relaxation: objective 0.000000e+00, 295 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 0.0% - 0s
Explored 0 nodes (295 simplex iterations) in 0.01 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%
current bounds on the number of colors: 0 -- 6
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:50 2012
Optimize a model with 750 rows, 762 columns and 2250 nonzeros
Presolve removed 26 rows and 78 columns
Presolve time: 0.00s
Presolved: 724 rows, 684 columns, 2172 nonzeros
Variable types: 0 continuous, 684 integer (684 binary)
Root relaxation: objective 0.000000e+00, 290 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 0.0% - 0s
Explored 0 nodes (399 simplex iterations) in 0.01 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%
current bounds on the number of colors: 0 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:50 2012
Optimize a model with 378 rows, 378 columns and 750 nonzeros
Presolve removed 378 rows and 378 columns
Presolve time: 0.00s
Explored 0 nodes (0 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
current bounds on the number of colors: 1 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:27:50 2012
Optimize a model with 564 rows, 570 columns and 1500 nonzeros
Presolve removed 196 rows and 224 columns
Presolve time: 0.00s
Presolved: 368 rows, 346 columns, 1104 nonzeros
Variable types: 0 continuous, 346 integer (346 binary)
Root relaxation: objective 0.000000e+00, 187 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 162 - 0.00000 - - 0s
Explored 0 nodes (563 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
optimal solution found: number of colors: 3