current bounds on the number of colors: 0 -- 166 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:27 2012 Optimize a model with 10043 rows, 13897 columns and 43409 nonzeros Presolve removed 39 rows and 3237 columns Presolve time: 0.12s Presolved: 10004 rows, 10660 columns, 40172 nonzeros Variable types: 0 continuous, 10660 integer (10660 binary) Root relaxation: objective 0.000000e+00, 221 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 (221 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 -- 83 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:28 2012 Optimize a model with 5045 rows, 6925 columns and 21443 nonzeros Presolve removed 39 rows and 1599 columns Presolve time: 0.05s Presolved: 5006 rows, 5326 columns, 19844 nonzeros Variable types: 0 continuous, 5326 integer (5326 binary) Root relaxation: objective 0.000000e+00, 221 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 (221 simplex iterations) in 0.05 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 -- 41 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:28 2012 Optimize a model with 2546 rows, 3439 columns and 10460 nonzeros Presolve removed 39 rows and 780 columns Presolve time: 0.02s Presolved: 2507 rows, 2659 columns, 9680 nonzeros Variable types: 0 continuous, 2659 integer (2659 binary) Root relaxation: objective 0.000000e+00, 221 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 (221 simplex iterations) in 0.02 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 -- 20 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:28 2012 Optimize a model with 1356 rows, 1779 columns and 5230 nonzeros Presolve removed 39 rows and 390 columns Presolve time: 0.01s Presolved: 1317 rows, 1389 columns, 4840 nonzeros Variable types: 0 continuous, 1389 integer (1389 binary) Root relaxation: objective 0.000000e+00, 209 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 (209 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 -- 10 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:28 2012 Optimize a model with 761 rows, 949 columns and 2615 nonzeros Presolve removed 39 rows and 195 columns Presolve time: 0.00s Presolved: 722 rows, 754 columns, 2420 nonzeros Variable types: 0 continuous, 754 integer (754 binary) Root relaxation: objective 0.000000e+00, 208 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 (285 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% current bounds on the number of colors: 0 -- 5 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:28 2012 Optimize a model with 404 rows, 451 columns and 1046 nonzeros Presolve removed 172 rows and 214 columns Presolve time: 0.00s Presolved: 232 rows, 237 columns, 696 nonzeros Variable types: 0 continuous, 237 integer (237 binary) Root relaxation: objective 0.000000e+00, 121 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 85 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (406 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current bounds on the number of colors: 2 -- 5 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:28 2012 Optimize a model with 523 rows, 617 columns and 1569 nonzeros Presolve removed 39 rows and 117 columns Presolve time: 0.00s Presolved: 484 rows, 500 columns, 1452 nonzeros Variable types: 0 continuous, 500 integer (500 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 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (187 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% optimal solution found: number of colors: 3