
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:42:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5674.38.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/grafo5674.38.lp
Reading time = 0.10 seconds
: 45316 rows, 1744 columns, 137287 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 45316 rows, 1744 columns and 137287 nonzeros
Model fingerprint: 0xbbb9c259
Variable types: 41 continuous, 1703 integer (1703 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 4499 rows and 30 columns
Presolve time: 0.51s
Presolved: 40817 rows, 1714 columns, 124057 nonzeros
Variable types: 0 continuous, 1714 integer (1673 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 21721 rows, 20810 columns, 85865 nonzeros


Root relaxation: objective 3.700000e+01, 3322 iterations, 2.10 seconds (1.21 work units)
Total elapsed time = 6.37s (DegenMoves)
Total elapsed time = 10.36s (DegenMoves)

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

     0     0   37.00000    0  464    5.00000   37.00000   640%     -   11s
H    0     0                      10.0000000   37.00000   270%     -   11s
     0     0   37.00000    0  515   10.00000   37.00000   270%     -   17s
H    0     0                      11.0000000   37.00000   236%     -   17s
     0     0   37.00000    0  473   11.00000   37.00000   236%     -   18s
     0     0   37.00000    0  511   11.00000   37.00000   236%     -   32s
     0     0   37.00000    0  458   11.00000   37.00000   236%     -   33s
     0     0   37.00000    0  584   11.00000   37.00000   236%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 32
  MIR: 127
  StrongCG: 2
  GUB cover: 2
  Zero half: 51
  RLT: 49
  Relax-and-lift: 1

Explored 1 nodes (45241 simplex iterations) in 50.04 seconds (29.79 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 5 

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

Wrote result file './lp_solutions/grafo5674.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:46:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5674.38.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/grafo5674.38.lp
Reading time = 0.10 seconds
: 45316 rows, 1744 columns, 137287 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 45316 rows, 1744 columns and 137287 nonzeros
Model fingerprint: 0xbbb9c259
Variable types: 41 continuous, 1703 integer (1703 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 4499 rows and 30 columns
Presolve time: 0.41s
Presolved: 40817 rows, 1714 columns, 124057 nonzeros
Variable types: 0 continuous, 1714 integer (1673 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 21721 rows, 20810 columns, 85865 nonzeros


Root relaxation: objective 3.700000e+01, 3322 iterations, 1.88 seconds (1.21 work units)
Total elapsed time = 6.01s (DegenMoves)
Total elapsed time = 10.21s (DegenMoves)

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

     0     0   37.00000    0  464    5.00000   37.00000   640%     -   10s
H    0     0                      10.0000000   37.00000   270%     -   10s
     0     0   37.00000    0  515   10.00000   37.00000   270%     -   16s
H    0     0                      11.0000000   37.00000   236%     -   17s
     0     0   37.00000    0  473   11.00000   37.00000   236%     -   18s
     0     0   37.00000    0  511   11.00000   37.00000   236%     -   34s
     0     0   37.00000    0  458   11.00000   37.00000   236%     -   35s
     0     0   37.00000    0  627   11.00000   37.00000   236%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 32
  MIR: 127
  StrongCG: 2
  GUB cover: 2
  Zero half: 51
  RLT: 49
  Relax-and-lift: 1

Explored 1 nodes (43039 simplex iterations) in 50.14 seconds (28.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 5 

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

Wrote result file './lp_solutions/grafo5674.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:49:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5674.38.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/grafo5674.38.lp
Reading time = 0.08 seconds
: 45316 rows, 1744 columns, 137287 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 45316 rows, 1744 columns and 137287 nonzeros
Model fingerprint: 0xbbb9c259
Variable types: 41 continuous, 1703 integer (1703 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 4499 rows and 30 columns
Presolve time: 0.34s
Presolved: 40817 rows, 1714 columns, 124057 nonzeros
Variable types: 0 continuous, 1714 integer (1673 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 21721 rows, 20810 columns, 85865 nonzeros


Root relaxation: objective 3.700000e+01, 3322 iterations, 1.62 seconds (1.21 work units)
Total elapsed time = 5.09s (DegenMoves)

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

     0     0   37.00000    0  464    5.00000   37.00000   640%     -    9s
H    0     0                      10.0000000   37.00000   270%     -    9s
     0     0   37.00000    0  515   10.00000   37.00000   270%     -   13s
H    0     0                      11.0000000   37.00000   236%     -   14s
     0     0   37.00000    0  473   11.00000   37.00000   236%     -   14s
     0     0   37.00000    0  511   11.00000   37.00000   236%     -   26s
     0     0   37.00000    0  458   11.00000   37.00000   236%     -   27s
H    0     0                      12.0000000   37.00000   208%     -   46s
H    0     0                      13.0000000   37.00000   185%     -   47s
     0     0   37.00000    0  456   13.00000   37.00000   185%     -   47s
     0     0          -    0        13.00000   37.00000   185%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 4
  MIR: 61
  Zero half: 10
  RLT: 27

Explored 1 nodes (53676 simplex iterations) in 50.06 seconds (36.90 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 5

Time limit reached
Best objective 1.300000000000e+01, best bound 3.700000000000e+01, gap 184.6154%

Wrote result file './lp_solutions/grafo5674.38.sol'

