current bounds on the number of colors: 0 -- 236 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:26 2012 Optimize a model with 32332 rows, 28120 columns and 124136 nonzeros Presolve removed 22 rows and 2596 columns Presolve time: 0.14s Presolved: 32310 rows, 25524 columns, 121540 nonzeros Variable types: 0 continuous, 25524 integer (25524 binary) Root relaxation: objective 0.000000e+00, 407 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 (407 simplex iterations) in 0.17 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 -- 118 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:27 2012 Optimize a model with 16284 rows, 14196 columns and 62068 nonzeros Presolve removed 22 rows and 1298 columns Presolve time: 0.12s Presolved: 16262 rows, 12898 columns, 60770 nonzeros Variable types: 0 continuous, 12898 integer (12898 binary) Root relaxation: objective 0.000000e+00, 406 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 (406 simplex iterations) in 0.14 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 -- 59 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:27 2012 Optimize a model with 8124 rows, 7116 columns and 30508 nonzeros Presolve removed 22 rows and 638 columns Presolve time: 0.05s Presolved: 8102 rows, 6478 columns, 29870 nonzeros Variable types: 0 continuous, 6478 integer (6478 binary) Root relaxation: objective 0.000000e+00, 404 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 (404 simplex iterations) in 0.06 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 -- 29 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:28 2012 Optimize a model with 4044 rows, 3576 columns and 14728 nonzeros Presolve removed 22 rows and 308 columns Presolve time: 0.02s Presolved: 4022 rows, 3268 columns, 14420 nonzeros Variable types: 0 continuous, 3268 integer (3268 binary) Root relaxation: objective 0.000000e+00, 415 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 (415 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 -- 14 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:28 2012 Optimize a model with 2140 rows, 1924 columns and 7364 nonzeros Presolve removed 22 rows and 154 columns Presolve time: 0.01s Presolved: 2118 rows, 1770 columns, 7210 nonzeros Variable types: 0 continuous, 1770 integer (1770 binary) Root relaxation: objective 0.000000e+00, 398 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 (398 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 -- 7 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:28 2012 Optimize a model with 1052 rows, 980 columns and 3156 nonzeros Presolve removed 22 rows and 66 columns Presolve time: 0.00s Presolved: 1030 rows, 914 columns, 3090 nonzeros Variable types: 0 continuous, 914 integer (914 binary) Root relaxation: objective 0.000000e+00, 413 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 (577 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 16:42:28 2012 Optimize a model with 508 rows, 508 columns and 1052 nonzeros Presolve removed 508 rows and 508 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 16:42:28 2012 Optimize a model with 780 rows, 744 columns and 2104 nonzeros Presolve removed 242 rows and 267 columns Presolve time: 0.00s Presolved: 538 rows, 477 columns, 1614 nonzeros Variable types: 0 continuous, 477 integer (477 binary) Root relaxation: objective 0.000000e+00, 253 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 0 208 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (747 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