
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:41:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3457.38.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/grafo3457.38.lp
Reading time = 0.08 seconds
: 38393 rows, 1588 columns, 116281 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 38393 rows, 1588 columns and 116281 nonzeros
Model fingerprint: 0x8f57751d
Variable types: 38 continuous, 1550 integer (1550 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 1.0000000
Presolve removed 3026 rows and 33 columns
Presolve time: 0.36s
Presolved: 35367 rows, 1555 columns, 107491 nonzeros
Variable types: 0 continuous, 1555 integer (1517 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 18495 rows, 18427 columns, 73747 nonzeros


Root relaxation: objective 2.800000e+01, 5414 iterations, 3.25 seconds (2.08 work units)
Total elapsed time = 8.28s (DegenMoves)
Total elapsed time = 17.37s (DegenMoves)

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

     0     0   28.00000    0  361    5.00000   28.00000   460%     -   19s
H    0     0                       7.0000000   28.00000   300%     -   19s
     0     0   28.00000    0  609    7.00000   28.00000   300%     -   24s
     0     0   28.00000    0  611    7.00000   28.00000   300%     -   25s
     0     0   28.00000    0  217    7.00000   28.00000   300%     -   30s
H    0     0                       8.0000000   28.00000   250%     -   31s
     0     0   28.00000    0  228    8.00000   28.00000   250%     -   31s
     0     0   28.00000    0  180    8.00000   28.00000   250%     -   37s
     0     0   28.00000    0  293    8.00000   28.00000   250%     -   38s
     0     0   28.00000    0  391    8.00000   28.00000   250%     -   44s
H    0     0                       9.0000000   28.00000   211%     -   44s
     0     0   28.00000    0  389    9.00000   28.00000   211%     -   45s
     0     0   28.00000    0  492    9.00000   28.00000   211%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 25
  Clique: 3
  MIR: 126
  StrongCG: 1
  GUB cover: 4
  Zero half: 26
  RLT: 40
  BQP: 1

Explored 1 nodes (59338 simplex iterations) in 50.06 seconds (32.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 7 ... 1

Time limit reached
Best objective 9.000000000000e+00, best bound 2.800000000000e+01, gap 211.1111%

Wrote result file './lp_solutions/grafo3457.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:43:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3457.38.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/grafo3457.38.lp
Reading time = 0.07 seconds
: 38393 rows, 1588 columns, 116281 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 38393 rows, 1588 columns and 116281 nonzeros
Model fingerprint: 0x8f57751d
Variable types: 38 continuous, 1550 integer (1550 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 1.0000000
Presolve removed 3026 rows and 33 columns
Presolve time: 0.31s
Presolved: 35367 rows, 1555 columns, 107491 nonzeros
Variable types: 0 continuous, 1555 integer (1517 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 18495 rows, 18427 columns, 73747 nonzeros


Root relaxation: objective 2.800000e+01, 5414 iterations, 2.79 seconds (2.08 work units)
Total elapsed time = 7.07s (DegenMoves)
Total elapsed time = 17.80s (DegenMoves)

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

     0     0   28.00000    0  361    5.00000   28.00000   460%     -   19s
H    0     0                       7.0000000   28.00000   300%     -   19s
     0     0   28.00000    0  609    7.00000   28.00000   300%     -   26s
     0     0   28.00000    0  611    7.00000   28.00000   300%     -   27s
     0     0   28.00000    0  217    7.00000   28.00000   300%     -   33s
H    0     0                       8.0000000   28.00000   250%     -   33s
     0     0   28.00000    0  228    8.00000   28.00000   250%     -   34s
     0     0   28.00000    0  180    8.00000   28.00000   250%     -   40s
     0     0   28.00000    0  293    8.00000   28.00000   250%     -   41s
     0     0   28.00000    0  391    8.00000   28.00000   250%     -   49s
H    0     0                       9.0000000   28.00000   211%     -   49s
     0     0          -    0         9.00000   28.00000   211%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 3
  Clique: 3
  MIR: 56
  StrongCG: 1
  Zero half: 5
  RLT: 25
  BQP: 1

Explored 1 nodes (54364 simplex iterations) in 50.06 seconds (29.70 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 9 8 7 ... 1

Time limit reached
Best objective 9.000000000000e+00, best bound 2.800000000000e+01, gap 211.1111%

Wrote result file './lp_solutions/grafo3457.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:46:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3457.38.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/grafo3457.38.lp
Reading time = 0.09 seconds
: 38393 rows, 1588 columns, 116281 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 38393 rows, 1588 columns and 116281 nonzeros
Model fingerprint: 0x8f57751d
Variable types: 38 continuous, 1550 integer (1550 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 1.0000000
Presolve removed 3026 rows and 33 columns
Presolve time: 0.32s
Presolved: 35367 rows, 1555 columns, 107491 nonzeros
Variable types: 0 continuous, 1555 integer (1517 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 18495 rows, 18427 columns, 73747 nonzeros


Root relaxation: objective 2.800000e+01, 5414 iterations, 2.72 seconds (2.08 work units)
Total elapsed time = 6.98s (DegenMoves)
Total elapsed time = 15.33s (DegenMoves)

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

     0     0   28.00000    0  361    5.00000   28.00000   460%     -   16s
H    0     0                       7.0000000   28.00000   300%     -   16s
     0     0   28.00000    0  609    7.00000   28.00000   300%     -   21s
     0     0   28.00000    0  611    7.00000   28.00000   300%     -   22s
     0     0   28.00000    0  217    7.00000   28.00000   300%     -   26s
H    0     0                       8.0000000   28.00000   250%     -   26s
     0     0   28.00000    0  228    8.00000   28.00000   250%     -   26s
     0     0   28.00000    0  180    8.00000   28.00000   250%     -   31s
     0     0   28.00000    0  293    8.00000   28.00000   250%     -   32s
     0     0   28.00000    0  391    8.00000   28.00000   250%     -   37s
H    0     0                       9.0000000   28.00000   211%     -   38s
     0     0   28.00000    0  389    9.00000   28.00000   211%     -   38s
H    0     0                      10.0000000   28.00000   180%     -   43s
     0     0   28.00000    0  324   10.00000   28.00000   180%     -   43s
     0     0   28.00000    0  272   10.00000   28.00000   180%     -   44s
     0     0   28.00000    0  256   10.00000   28.00000   180%     -   47s
     0     0   28.00000    0  280   10.00000   28.00000   180%     -   47s
     0     0   28.00000    0  366   10.00000   28.00000   180%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 23
  Clique: 1
  MIR: 159
  GUB cover: 7
  Inf proof: 1
  Zero half: 15
  RLT: 35

Explored 1 nodes (72082 simplex iterations) in 50.04 seconds (37.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 2.800000000000e+01, gap 180.0000%

Wrote result file './lp_solutions/grafo3457.38.sol'

