
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:14:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5327.40.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/grafo5327.40.lp
Reading time = 0.09 seconds
: 44438 rows, 1740 columns, 134499 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 44438 rows, 1740 columns and 134499 nonzeros
Model fingerprint: 0x217f65b2
Variable types: 39 continuous, 1701 integer (1701 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 4096 rows and 28 columns
Presolve time: 0.54s
Presolved: 40342 rows, 1712 columns, 122478 nonzeros
Variable types: 0 continuous, 1712 integer (1673 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 21323 rows, 20731 columns, 84440 nonzeros


Root relaxation: objective 3.700000e+01, 6053 iterations, 4.16 seconds (2.64 work units)
Total elapsed time = 10.77s (DegenMoves)

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

     0     0   37.00000    0  589    4.00000   37.00000   825%     -   14s
H    0     0                       6.0000000   37.00000   517%     -   14s
H    0     0                       7.0000000   37.00000   429%     -   14s
     0     0   37.00000    0  827    7.00000   37.00000   429%     -   26s
H    0     0                       8.0000000   37.00000   362%     -   27s
     0     0   37.00000    0  798    8.00000   37.00000   362%     -   29s
     0     0   37.00000    0  858    8.00000   37.00000   362%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 7
  MIR: 147
  StrongCG: 1
  GUB cover: 1
  Zero half: 35
  RLT: 62

Explored 1 nodes (40767 simplex iterations) in 50.08 seconds (29.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 7 6 4 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.700000000000e+01, gap 362.5000%

Wrote result file './lp_solutions/grafo5327.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:59:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5327.40.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/grafo5327.40.lp
Reading time = 0.09 seconds
: 44438 rows, 1740 columns, 134499 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 44438 rows, 1740 columns and 134499 nonzeros
Model fingerprint: 0x217f65b2
Variable types: 39 continuous, 1701 integer (1701 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 4096 rows and 28 columns
Presolve time: 0.39s
Presolved: 40342 rows, 1712 columns, 122478 nonzeros
Variable types: 0 continuous, 1712 integer (1673 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 21323 rows, 20731 columns, 84440 nonzeros


Root relaxation: objective 3.700000e+01, 6053 iterations, 4.03 seconds (2.64 work units)
Total elapsed time = 10.91s (DegenMoves)

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

     0     0   37.00000    0  589    4.00000   37.00000   825%     -   14s
H    0     0                       6.0000000   37.00000   517%     -   14s
H    0     0                       7.0000000   37.00000   429%     -   14s
     0     0   37.00000    0  827    7.00000   37.00000   429%     -   27s
H    0     0                       8.0000000   37.00000   362%     -   28s
     0     0   37.00000    0  798    8.00000   37.00000   362%     -   29s
     0     0   37.00000    0  858    8.00000   37.00000   362%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 7
  MIR: 147
  StrongCG: 1
  GUB cover: 1
  Zero half: 35
  RLT: 62

Explored 1 nodes (37810 simplex iterations) in 50.14 seconds (27.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 7 6 4 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.700000000000e+01, gap 362.5000%

Wrote result file './lp_solutions/grafo5327.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:02:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5327.40.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/grafo5327.40.lp
Reading time = 0.09 seconds
: 44438 rows, 1740 columns, 134499 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 44438 rows, 1740 columns and 134499 nonzeros
Model fingerprint: 0x217f65b2
Variable types: 39 continuous, 1701 integer (1701 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 4096 rows and 28 columns
Presolve time: 0.35s
Presolved: 40342 rows, 1712 columns, 122478 nonzeros
Variable types: 0 continuous, 1712 integer (1673 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 21323 rows, 20731 columns, 84440 nonzeros


Root relaxation: objective 3.700000e+01, 6053 iterations, 3.63 seconds (2.64 work units)
Total elapsed time = 9.61s (DegenMoves)
Total elapsed time = 10.43s (DegenMoves)

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

     0     0   37.00000    0  589    4.00000   37.00000   825%     -   12s
H    0     0                       6.0000000   37.00000   517%     -   12s
H    0     0                       7.0000000   37.00000   429%     -   12s
     0     0   37.00000    0  827    7.00000   37.00000   429%     -   22s
H    0     0                       8.0000000   37.00000   362%     -   23s
     0     0   37.00000    0  798    8.00000   37.00000   362%     -   24s
     0     0   37.00000    0  801    8.00000   37.00000   362%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 7
  MIR: 147
  StrongCG: 1
  GUB cover: 1
  Zero half: 35
  RLT: 62

Explored 1 nodes (47393 simplex iterations) in 50.05 seconds (35.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 7 6 4 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.700000000000e+01, gap 362.5000%

Wrote result file './lp_solutions/grafo5327.40.sol'

