
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 18:57:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2489.19.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo2489.19.lp
Reading time = 0.15 seconds
: 94189 rows, 640 columns, 282970 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 94189 rows, 640 columns and 282970 nonzeros
Model fingerprint: 0xac9216c7
Variable types: 22 continuous, 618 integer (618 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 48460 rows and 2 columns
Presolve time: 0.59s
Presolved: 45729 rows, 638 columns, 137729 nonzeros
Variable types: 0 continuous, 638 integer (616 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 637 rows, 46366 columns, 138367 nonzeros


Root relaxation: objective 2.500000e+01, 1088 iterations, 0.34 seconds (0.43 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   25.00000    0  244    5.00000   25.00000   400%     -    3s
     0     0   25.00000    0  318    5.00000   25.00000   400%     -    5s
     0     0   25.00000    0  313    5.00000   25.00000   400%     -    6s
     0     0   25.00000    0  170    5.00000   25.00000   400%     -   11s
     0     0   25.00000    0  162    5.00000   25.00000   400%     -   12s
     0     0   25.00000    0  254    5.00000   25.00000   400%     -   15s
     0     0   25.00000    0  233    5.00000   25.00000   400%     -   15s
     0     0   25.00000    0  234    5.00000   25.00000   400%     -   21s
H    0     0                       6.0000000   25.00000   317%     -   22s
     0     0   25.00000    0  235    6.00000   25.00000   317%     -   22s
     0     0   25.00000    0  191    6.00000   25.00000   317%     -   29s
     0     0   25.00000    0  190    6.00000   25.00000   317%     -   29s
     0     0   25.00000    0  220    6.00000   25.00000   317%     -   32s
     0     0   25.00000    0  203    6.00000   25.00000   317%     -   32s
     0     0   25.00000    0  259    6.00000   25.00000   317%     -   36s
     0     0   25.00000    0  259    6.00000   25.00000   317%     -   38s
     0     2   25.00000    0  211    6.00000   25.00000   317%     -   43s
     7    12   25.00000    3  164    6.00000   25.00000   317%   674   45s
H   28    32                       8.0000000   25.00000   212%   294   47s
    54    62   25.00000   13  291    8.00000   25.00000   212%   255   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  Clique: 49
  MIR: 39
  StrongCG: 1
  Zero half: 4
  RLT: 45
  BQP: 4

Explored 61 nodes (48314 simplex iterations) in 50.05 seconds (59.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 6 5 -0 

Time limit reached
Best objective 8.000000000000e+00, best bound 2.500000000000e+01, gap 212.5000%

Wrote result file './lp_solutions/grafo2489.19.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 14:14:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2489.19.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo2489.19.lp
Reading time = 0.16 seconds
: 94189 rows, 640 columns, 282970 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 94189 rows, 640 columns and 282970 nonzeros
Model fingerprint: 0xac9216c7
Variable types: 22 continuous, 618 integer (618 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 48460 rows and 2 columns
Presolve time: 0.63s
Presolved: 45729 rows, 638 columns, 137729 nonzeros
Variable types: 0 continuous, 638 integer (616 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 637 rows, 46366 columns, 138367 nonzeros


Root relaxation: objective 2.500000e+01, 1088 iterations, 0.35 seconds (0.43 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   25.00000    0  244    5.00000   25.00000   400%     -    3s
     0     0   25.00000    0  318    5.00000   25.00000   400%     -    5s
     0     0   25.00000    0  313    5.00000   25.00000   400%     -    6s
     0     0   25.00000    0  170    5.00000   25.00000   400%     -   12s
     0     0   25.00000    0  162    5.00000   25.00000   400%     -   13s
     0     0   25.00000    0  254    5.00000   25.00000   400%     -   16s
     0     0   25.00000    0  233    5.00000   25.00000   400%     -   17s
     0     0   25.00000    0  234    5.00000   25.00000   400%     -   23s
H    0     0                       6.0000000   25.00000   317%     -   24s
     0     0   25.00000    0  235    6.00000   25.00000   317%     -   24s
     0     0   25.00000    0  191    6.00000   25.00000   317%     -   32s
     0     0   25.00000    0  190    6.00000   25.00000   317%     -   32s
     0     0   25.00000    0  220    6.00000   25.00000   317%     -   36s
     0     0   25.00000    0  203    6.00000   25.00000   317%     -   36s
     0     0   25.00000    0  259    6.00000   25.00000   317%     -   40s
     0     0   25.00000    0  259    6.00000   25.00000   317%     -   42s
     0     2   25.00000    0  211    6.00000   25.00000   317%     -   48s
     7    10   25.00000    3  190    6.00000   25.00000   317%   640   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  Clique: 49
  MIR: 39
  StrongCG: 1
  Zero half: 4
  RLT: 45
  BQP: 4

Explored 9 nodes (38702 simplex iterations) in 50.04 seconds (49.77 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 6 5 -0 

Time limit reached
Best objective 6.000000000000e+00, best bound 2.500000000000e+01, gap 316.6667%

Wrote result file './lp_solutions/grafo2489.19.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 14:57:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2489.19.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo2489.19.lp
Reading time = 0.16 seconds
: 94189 rows, 640 columns, 282970 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 94189 rows, 640 columns and 282970 nonzeros
Model fingerprint: 0xac9216c7
Variable types: 22 continuous, 618 integer (618 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 48460 rows and 2 columns
Presolve time: 0.63s
Presolved: 45729 rows, 638 columns, 137729 nonzeros
Variable types: 0 continuous, 638 integer (616 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 637 rows, 46366 columns, 138367 nonzeros


Root relaxation: objective 2.500000e+01, 1088 iterations, 0.35 seconds (0.43 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   25.00000    0  244    5.00000   25.00000   400%     -    3s
     0     0   25.00000    0  318    5.00000   25.00000   400%     -    5s
     0     0   25.00000    0  313    5.00000   25.00000   400%     -    6s
     0     0   25.00000    0  170    5.00000   25.00000   400%     -   12s
     0     0   25.00000    0  162    5.00000   25.00000   400%     -   13s
     0     0   25.00000    0  254    5.00000   25.00000   400%     -   16s
     0     0   25.00000    0  233    5.00000   25.00000   400%     -   16s
     0     0   25.00000    0  234    5.00000   25.00000   400%     -   23s
H    0     0                       6.0000000   25.00000   317%     -   23s
     0     0   25.00000    0  235    6.00000   25.00000   317%     -   23s
     0     0   25.00000    0  191    6.00000   25.00000   317%     -   30s
     0     0   25.00000    0  190    6.00000   25.00000   317%     -   30s
     0     0   25.00000    0  220    6.00000   25.00000   317%     -   34s
     0     0   25.00000    0  203    6.00000   25.00000   317%     -   34s
     0     0   25.00000    0  259    6.00000   25.00000   317%     -   38s
     0     0   25.00000    0  259    6.00000   25.00000   317%     -   40s
     0     2   25.00000    0  211    6.00000   25.00000   317%     -   45s
H   28    32                       8.0000000   25.00000   212%   294   49s
    31    33   25.00000    9  250    8.00000   25.00000   212%   283   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  Clique: 49
  MIR: 39
  StrongCG: 1
  Zero half: 4
  RLT: 45
  BQP: 4

Explored 32 nodes (42968 simplex iterations) in 50.04 seconds (53.86 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 6 5 -0 

Time limit reached
Best objective 8.000000000000e+00, best bound 2.500000000000e+01, gap 212.5000%

Wrote result file './lp_solutions/grafo2489.19.sol'

