
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:22:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3671.38.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/grafo3671.38.lp
Reading time = 0.12 seconds
: 55116 rows, 1672 columns, 166555 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 55116 rows, 1672 columns and 166555 nonzeros
Model fingerprint: 0xfa19c633
Variable types: 38 continuous, 1634 integer (1634 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 12381 rows and 21 columns
Presolve time: 0.66s
Presolved: 42735 rows, 1651 columns, 129697 nonzeros
Variable types: 0 continuous, 1651 integer (1613 binary)
Root relaxation presolved: 25863 rows, 18523 columns, 95953 nonzeros


Root relaxation: objective 3.700000e+01, 2743 iterations, 1.89 seconds (1.20 work units)
Total elapsed time = 5.80s (DegenMoves)

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

     0     0   37.00000    0  393          -   37.00000      -     -    8s
H    0     0                       8.0000000   37.00000   362%     -    8s
H    0     0                      10.0000000   37.00000   270%     -    8s
H    0     0                      11.0000000   37.00000   236%     -    8s
     0     0   37.00000    0  573   11.00000   37.00000   236%     -   14s
     0     0   37.00000    0  545   11.00000   37.00000   236%     -   14s
     0     0   37.00000    0  431   11.00000   37.00000   236%     -   30s
     0     0   37.00000    0  411   11.00000   37.00000   236%     -   31s
     0     0   37.00000    0  411   11.00000   37.00000   236%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 22
  Clique: 14
  MIR: 92
  StrongCG: 1
  Zero half: 81
  RLT: 46
  BQP: 1

Explored 1 nodes (47620 simplex iterations) in 50.06 seconds (36.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 8 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.700000000000e+01, gap 236.3636%

Wrote result file './lp_solutions/grafo3671.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:22:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3671.38.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/grafo3671.38.lp
Reading time = 0.09 seconds
: 55116 rows, 1672 columns, 166555 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 55116 rows, 1672 columns and 166555 nonzeros
Model fingerprint: 0xfa19c633
Variable types: 38 continuous, 1634 integer (1634 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 12381 rows and 21 columns
Presolve time: 0.38s
Presolved: 42735 rows, 1651 columns, 129697 nonzeros
Variable types: 0 continuous, 1651 integer (1613 binary)
Root relaxation presolved: 25863 rows, 18523 columns, 95953 nonzeros


Root relaxation: objective 3.700000e+01, 2743 iterations, 1.23 seconds (1.20 work units)
Total elapsed time = 5.17s (DegenMoves)

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

     0     0   37.00000    0  393          -   37.00000      -     -    5s
H    0     0                       8.0000000   37.00000   362%     -    5s
H    0     0                      10.0000000   37.00000   270%     -    5s
H    0     0                      11.0000000   37.00000   236%     -    5s
     0     0   37.00000    0  573   11.00000   37.00000   236%     -    9s
     0     0   37.00000    0  545   11.00000   37.00000   236%     -   10s
     0     0   37.00000    0  431   11.00000   37.00000   236%     -   21s
     0     0   37.00000    0  411   11.00000   37.00000   236%     -   22s
H    0     0                      12.0000000   37.00000   208%     -   44s
H    0     0                      13.0000000   37.00000   185%     -   44s
H    0     0                      14.0000000   37.00000   164%     -   44s
     0     0   37.00000    0  377   14.00000   37.00000   164%     -   44s
     0     0   37.00000    0  392   14.00000   37.00000   164%     -   44s
H    0     0                      15.0000000   37.00000   147%     -   49s
     0     0   37.00000    0  220   15.00000   37.00000   147%     -   49s
     0     0          -    0        15.00000   37.00000   147%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 2
  Clique: 9
  MIR: 33
  StrongCG: 1
  Zero half: 6
  RLT: 20

Explored 1 nodes (62790 simplex iterations) in 50.06 seconds (47.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 8

Time limit reached
Best objective 1.500000000000e+01, best bound 3.700000000000e+01, gap 146.6667%

Wrote result file './lp_solutions/grafo3671.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:17:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3671.38.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/grafo3671.38.lp
Reading time = 0.09 seconds
: 55116 rows, 1672 columns, 166555 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 55116 rows, 1672 columns and 166555 nonzeros
Model fingerprint: 0xfa19c633
Variable types: 38 continuous, 1634 integer (1634 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 12381 rows and 21 columns
Presolve time: 0.37s
Presolved: 42735 rows, 1651 columns, 129697 nonzeros
Variable types: 0 continuous, 1651 integer (1613 binary)
Root relaxation presolved: 25863 rows, 18523 columns, 95953 nonzeros


Root relaxation: objective 3.700000e+01, 2743 iterations, 1.19 seconds (1.20 work units)
Total elapsed time = 5.04s (DegenMoves)

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

     0     0   37.00000    0  393          -   37.00000      -     -    5s
H    0     0                       8.0000000   37.00000   362%     -    5s
H    0     0                      10.0000000   37.00000   270%     -    5s
H    0     0                      11.0000000   37.00000   236%     -    5s
     0     0   37.00000    0  573   11.00000   37.00000   236%     -    9s
     0     0   37.00000    0  545   11.00000   37.00000   236%     -    9s
     0     0   37.00000    0  431   11.00000   37.00000   236%     -   21s
     0     0   37.00000    0  411   11.00000   37.00000   236%     -   21s
H    0     0                      12.0000000   37.00000   208%     -   42s
H    0     0                      13.0000000   37.00000   185%     -   42s
H    0     0                      14.0000000   37.00000   164%     -   42s
     0     0   37.00000    0  377   14.00000   37.00000   164%     -   43s
     0     0   37.00000    0  392   14.00000   37.00000   164%     -   43s
H    0     0                      15.0000000   37.00000   147%     -   47s
     0     0   37.00000    0  220   15.00000   37.00000   147%     -   47s
     0     0   37.00000    0  300   15.00000   37.00000   147%     -   48s
     0     0   37.00000    0  406   15.00000   37.00000   147%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 40
  Clique: 5
  MIR: 109
  StrongCG: 3
  GUB cover: 3
  Zero half: 41
  RLT: 64

Explored 1 nodes (65630 simplex iterations) in 50.06 seconds (48.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 8

Time limit reached
Best objective 1.500000000000e+01, best bound 3.700000000000e+01, gap 146.6667%

Wrote result file './lp_solutions/grafo3671.38.sol'

