
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:26:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10505.39.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/grafo10505.39.lp
Reading time = 0.34 seconds
: 73774 rows, 2056 columns, 223031 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 73774 rows, 2056 columns and 223031 nonzeros
Model fingerprint: 0xd4312d34
Variable types: 45 continuous, 2011 integer (2011 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]
Presolve removed 16059 rows and 31 columns
Presolve time: 1.27s
Presolved: 57715 rows, 2025 columns, 175336 nonzeros
Variable types: 0 continuous, 2025 integer (1980 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 2025 rows, 59740 columns, 177361 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8527    4.2980881e+01   0.000000e+00   6.791652e+04      5s
   11070    4.2969467e+01   0.000000e+00   4.890627e+04     10s
   13302    4.2963510e+01   0.000000e+00   4.039288e+04     15s
   15535    4.2959100e+01   0.000000e+00   1.251795e+04     20s
   17768    4.2956113e+01   0.000000e+00   3.947297e+04     25s
   23348    4.2952401e+01   0.000000e+00   1.054429e+05     30s
   32834    4.2950424e+01   0.000000e+00   2.922172e+02     35s
   42327    4.2950211e+01   0.000000e+00   4.846052e+00     40s
   43497    4.3000000e+01   0.000000e+00   0.000000e+00     41s
   43497    4.3000000e+01   0.000000e+00   0.000000e+00     41s

Root relaxation: objective 4.300000e+01, 43497 iterations, 39.18 seconds (6.16 work units)

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

     0     0   43.00000    0 1180    3.00000   43.00000  1333%     -   50s

Explored 1 nodes (47051 simplex iterations) in 50.04 seconds (10.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 4.300000000000e+01, gap 1333.3333%

Wrote result file './lp_solutions/grafo10505.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:00:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10505.39.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/grafo10505.39.lp
Reading time = 0.13 seconds
: 73774 rows, 2056 columns, 223031 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 73774 rows, 2056 columns and 223031 nonzeros
Model fingerprint: 0xd4312d34
Variable types: 45 continuous, 2011 integer (2011 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]
Presolve removed 16059 rows and 31 columns
Presolve time: 0.55s
Presolved: 57715 rows, 2025 columns, 175336 nonzeros
Variable types: 0 continuous, 2025 integer (1980 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 2025 rows, 59740 columns, 177361 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25022    4.2951821e+01   0.000000e+00   3.415646e+03      5s
   43497    4.3000000e+01   0.000000e+00   0.000000e+00      9s
   43497    4.3000000e+01   0.000000e+00   0.000000e+00      9s

Root relaxation: objective 4.300000e+01, 43497 iterations, 8.29 seconds (6.16 work units)
Total elapsed time = 17.00s (DegenMoves)

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

     0     0   43.00000    0  481    3.00000   43.00000  1333%     -   18s
H    0     0                       6.0000000   43.00000   617%     -   18s
H    0     0                       7.0000000   43.00000   514%     -   18s
H    0     0                       9.0000000   43.00000   378%     -   20s
H    0     0                      10.0000000   43.00000   330%     -   20s
     0     0   43.00000    0  725   10.00000   43.00000   330%     -   27s
H    0     0                      11.0000000   43.00000   291%     -   28s
     0     0   43.00000    0  624   11.00000   43.00000   291%     -   28s
     0     0   43.00000    0  534   11.00000   43.00000   291%     -   50s

Cutting planes:
  Gomory: 12
  Lift-and-project: 33
  Cover: 7
  Clique: 7
  MIR: 112
  StrongCG: 3
  GUB cover: 2
  Zero half: 70
  RLT: 56
  BQP: 2

Explored 1 nodes (77441 simplex iterations) in 50.08 seconds (39.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 3

Time limit reached
Best objective 1.100000000000e+01, best bound 4.300000000000e+01, gap 290.9091%

Wrote result file './lp_solutions/grafo10505.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:07:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10505.39.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/grafo10505.39.lp
Reading time = 0.14 seconds
: 73774 rows, 2056 columns, 223031 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 73774 rows, 2056 columns and 223031 nonzeros
Model fingerprint: 0xd4312d34
Variable types: 45 continuous, 2011 integer (2011 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]
Presolve removed 16059 rows and 31 columns
Presolve time: 0.77s
Presolved: 57715 rows, 2025 columns, 175336 nonzeros
Variable types: 0 continuous, 2025 integer (1980 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 2025 rows, 59740 columns, 177361 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19721    4.2954429e+01   0.000000e+00   3.626531e+03      5s
   40095    4.2950217e+01   0.000000e+00   2.619648e+01     10s
   43497    4.3000000e+01   0.000000e+00   0.000000e+00     11s
   43497    4.3000000e+01   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 4.300000e+01, 43497 iterations, 10.10 seconds (6.16 work units)
Total elapsed time = 20.32s (DegenMoves)

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

     0     0   43.00000    0  481    3.00000   43.00000  1333%     -   21s
H    0     0                       6.0000000   43.00000   617%     -   22s
H    0     0                       7.0000000   43.00000   514%     -   22s
H    0     0                       9.0000000   43.00000   378%     -   25s
H    0     0                      10.0000000   43.00000   330%     -   25s
     0     0   43.00000    0  725   10.00000   43.00000   330%     -   34s
H    0     0                      11.0000000   43.00000   291%     -   35s
     0     0   43.00000    0  624   11.00000   43.00000   291%     -   36s
     0     0   43.00000    0  671   11.00000   43.00000   291%     -   50s

Cutting planes:
  Gomory: 12
  Lift-and-project: 33
  Cover: 7
  Clique: 7
  MIR: 112
  StrongCG: 3
  GUB cover: 2
  Zero half: 70
  RLT: 56
  BQP: 2

Explored 1 nodes (65456 simplex iterations) in 50.08 seconds (28.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 3

Time limit reached
Best objective 1.100000000000e+01, best bound 4.300000000000e+01, gap 290.9091%

Wrote result file './lp_solutions/grafo10505.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:03:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10505.39.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/grafo10505.39.lp
Reading time = 0.12 seconds
: 73774 rows, 2056 columns, 223031 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 73774 rows, 2056 columns and 223031 nonzeros
Model fingerprint: 0xd4312d34
Variable types: 45 continuous, 2011 integer (2011 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]
Presolve removed 16059 rows and 31 columns
Presolve time: 0.50s
Presolved: 57715 rows, 2025 columns, 175336 nonzeros
Variable types: 0 continuous, 2025 integer (1980 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 2025 rows, 59740 columns, 177361 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28091    4.2951059e+01   0.000000e+00   1.618574e+03      5s
   43497    4.3000000e+01   0.000000e+00   0.000000e+00      8s
   43497    4.3000000e+01   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 4.300000e+01, 43497 iterations, 7.26 seconds (6.16 work units)
Total elapsed time = 15.06s (DegenMoves)

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

     0     0   43.00000    0  481    3.00000   43.00000  1333%     -   16s
H    0     0                       6.0000000   43.00000   617%     -   16s
H    0     0                       7.0000000   43.00000   514%     -   16s
H    0     0                       9.0000000   43.00000   378%     -   18s
H    0     0                      10.0000000   43.00000   330%     -   18s
     0     0   43.00000    0  725   10.00000   43.00000   330%     -   23s
H    0     0                      11.0000000   43.00000   291%     -   24s
     0     0   43.00000    0  624   11.00000   43.00000   291%     -   25s
     0     0   43.00000    0  534   11.00000   43.00000   291%     -   50s

Cutting planes:
  Gomory: 12
  Lift-and-project: 33
  Cover: 7
  Clique: 7
  MIR: 112
  StrongCG: 3
  GUB cover: 2
  Zero half: 70
  RLT: 56
  BQP: 2

Explored 1 nodes (85172 simplex iterations) in 50.09 seconds (49.21 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 3

Time limit reached
Best objective 1.100000000000e+01, best bound 4.300000000000e+01, gap 290.9091%

Wrote result file './lp_solutions/grafo10505.39.sol'

