
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:39:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11236.38.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/grafo11236.38.lp
Reading time = 0.15 seconds
: 95029 rows, 2363 columns, 287327 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 95029 rows, 2363 columns and 287327 nonzeros
Model fingerprint: 0xa1e5766d
Variable types: 51 continuous, 2312 integer (2312 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 2.0000000
Presolve removed 21203 rows and 30 columns
Presolve time: 0.82s
Presolved: 73826 rows, 2333 columns, 224223 nonzeros
Variable types: 0 continuous, 2333 integer (2282 binary)
Found heuristic solution: objective 14.0000000
Root relaxation presolved: 2330 rows, 76156 columns, 226556 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20901    5.4665681e+01   0.000000e+00   1.309994e+04      5s
   42351    5.4655120e+01   0.000000e+00   7.989748e+02     10s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     12s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     12s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 5.500000e+01, 50851 iterations, 11.10 seconds (8.39 work units)
Total elapsed time = 22.57s (DegenMoves)
Total elapsed time = 30.79s (DegenMoves)

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

     0     0   55.00000    0  560   14.00000   55.00000   293%     -   32s
H    0     0                      16.0000000   55.00000   244%     -   32s
     0     0   55.00000    0  872   16.00000   55.00000   244%     -   49s
     0     0          -    0        16.00000   55.00000   244%     -   50s

Cutting planes:
  Gomory: 2
  MIR: 70
  Zero half: 4
  RLT: 34
  BQP: 1

Explored 1 nodes (79532 simplex iterations) in 50.06 seconds (47.86 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 16 14 2 

Time limit reached
Best objective 1.600000000000e+01, best bound 5.500000000000e+01, gap 243.7500%

Wrote result file './lp_solutions/grafo11236.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:36:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11236.38.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/grafo11236.38.lp
Reading time = 0.19 seconds
: 95029 rows, 2363 columns, 287327 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 95029 rows, 2363 columns and 287327 nonzeros
Model fingerprint: 0xa1e5766d
Variable types: 51 continuous, 2312 integer (2312 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 2.0000000
Presolve removed 21203 rows and 30 columns
Presolve time: 0.98s
Presolved: 73826 rows, 2333 columns, 224223 nonzeros
Variable types: 0 continuous, 2333 integer (2282 binary)
Found heuristic solution: objective 14.0000000
Root relaxation presolved: 2330 rows, 76156 columns, 226556 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16281    5.4672522e+01   0.000000e+00   5.832556e+04      5s
   32781    5.4657431e+01   0.000000e+00   5.494006e+03     10s
   48621    5.4654761e+01   0.000000e+00   1.799176e+02     15s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     16s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     16s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 5.500000e+01, 50851 iterations, 14.74 seconds (8.39 work units)
Total elapsed time = 28.19s (DegenMoves)
Total elapsed time = 38.30s (DegenMoves)
Total elapsed time = 40.47s (DegenMoves)

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

     0     0   55.00000    0  560   14.00000   55.00000   293%     -   40s
H    0     0                      16.0000000   55.00000   244%     -   41s
     0     0          -    0        16.00000   55.00000   244%     -   50s

Cutting planes:
  Gomory: 36
  Cover: 44
  Clique: 2
  MIR: 165
  StrongCG: 1
  GUB cover: 9
  Zero half: 43
  RLT: 76
  BQP: 1

Explored 1 nodes (74193 simplex iterations) in 50.12 seconds (39.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 16 14 2 

Time limit reached
Best objective 1.600000000000e+01, best bound 5.500000000000e+01, gap 243.7500%

Wrote result file './lp_solutions/grafo11236.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:07:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11236.38.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/grafo11236.38.lp
Reading time = 0.16 seconds
: 95029 rows, 2363 columns, 287327 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 95029 rows, 2363 columns and 287327 nonzeros
Model fingerprint: 0xa1e5766d
Variable types: 51 continuous, 2312 integer (2312 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 2.0000000
Presolve removed 21203 rows and 30 columns
Presolve time: 0.68s
Presolved: 73826 rows, 2333 columns, 224223 nonzeros
Variable types: 0 continuous, 2333 integer (2282 binary)
Found heuristic solution: objective 14.0000000
Root relaxation presolved: 2330 rows, 76156 columns, 226556 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22221    5.4664195e+01   0.000000e+00   1.976824e+04      5s
   44661    5.4654962e+01   0.000000e+00   7.107694e+02     10s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     11s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     11s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 5.500000e+01, 50851 iterations, 10.70 seconds (8.39 work units)
Total elapsed time = 21.56s (DegenMoves)
Total elapsed time = 29.58s (DegenMoves)
Total elapsed time = 30.69s (DegenMoves)

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

     0     0   55.00000    0  560   14.00000   55.00000   293%     -   31s
H    0     0                      16.0000000   55.00000   244%     -   31s
     0     0   55.00000    0  872   16.00000   55.00000   244%     -   46s
     0     0   55.00000    0  794   16.00000   55.00000   244%     -   47s

Cutting planes:
  Gomory: 3
  Lift-and-project: 8
  Cover: 22
  Clique: 1
  MIR: 145
  StrongCG: 1
  GUB cover: 1
  Zero half: 75
  RLT: 34
  BQP: 1

Explored 1 nodes (79713 simplex iterations) in 50.33 seconds (49.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 16 14 2 

Time limit reached
Best objective 1.600000000000e+01, best bound 5.500000000000e+01, gap 243.7500%

Wrote result file './lp_solutions/grafo11236.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:02:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11236.38.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/grafo11236.38.lp
Reading time = 0.16 seconds
: 95029 rows, 2363 columns, 287327 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 95029 rows, 2363 columns and 287327 nonzeros
Model fingerprint: 0xa1e5766d
Variable types: 51 continuous, 2312 integer (2312 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 2.0000000
Presolve removed 21203 rows and 30 columns
Presolve time: 0.68s
Presolved: 73826 rows, 2333 columns, 224223 nonzeros
Variable types: 0 continuous, 2333 integer (2282 binary)
Found heuristic solution: objective 14.0000000
Root relaxation presolved: 2330 rows, 76156 columns, 226556 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22881    5.4663504e+01   0.000000e+00   1.062535e+04      5s
   46311    5.4654833e+01   0.000000e+00   5.762117e+02     10s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     11s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     11s
   50851    5.5000000e+01   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 5.500000e+01, 50851 iterations, 10.32 seconds (8.39 work units)
Total elapsed time = 20.81s (DegenMoves)
Total elapsed time = 28.54s (DegenMoves)
Total elapsed time = 30.08s (DegenMoves)

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

     0     0   55.00000    0  560   14.00000   55.00000   293%     -   30s
H    0     0                      16.0000000   55.00000   244%     -   30s
     0     0   55.00000    0  872   16.00000   55.00000   244%     -   45s
     0     0   55.00000    0  794   16.00000   55.00000   244%     -   46s

Cutting planes:
  Gomory: 3
  Lift-and-project: 18
  Cover: 22
  Clique: 1
  MIR: 145
  StrongCG: 1
  GUB cover: 1
  Zero half: 60
  RLT: 34
  BQP: 1

Explored 1 nodes (79713 simplex iterations) in 50.36 seconds (49.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 16 14 2 

Time limit reached
Best objective 1.600000000000e+01, best bound 5.500000000000e+01, gap 243.7500%

Wrote result file './lp_solutions/grafo11236.38.sol'

