
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:46:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5777.38.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/grafo5777.38.lp
Reading time = 0.10 seconds
: 54868 rows, 1806 columns, 165974 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 54868 rows, 1806 columns and 165974 nonzeros
Model fingerprint: 0x4227bf81
Variable types: 41 continuous, 1765 integer (1765 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 10019 rows and 29 columns
Presolve time: 0.66s
Presolved: 44849 rows, 1777 columns, 136261 nonzeros
Variable types: 0 continuous, 1777 integer (1736 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25753 rows, 20873 columns, 98069 nonzeros


Root relaxation: objective 4.300000e+01, 3588 iterations, 2.49 seconds (1.49 work units)
Total elapsed time = 6.02s (DegenMoves)

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

     0     0   43.00000    0  445    7.00000   43.00000   514%     -    6s
H    0     0                       8.0000000   43.00000   437%     -    7s
H    0     0                      10.0000000   43.00000   330%     -    9s
     0     0   43.00000    0  697   10.00000   43.00000   330%     -   14s
     0     0   43.00000    0  695   10.00000   43.00000   330%     -   15s
     0     0   43.00000    0  672   10.00000   43.00000   330%     -   50s

Cutting planes:
  Gomory: 8
  Cover: 16
  Clique: 8
  MIR: 98
  GUB cover: 4
  Zero half: 50
  RLT: 61

Explored 1 nodes (41963 simplex iterations) in 50.09 seconds (37.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 8 7 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.300000000000e+01, gap 330.0000%

Wrote result file './lp_solutions/grafo5777.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:40:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5777.38.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/grafo5777.38.lp
Reading time = 0.10 seconds
: 54868 rows, 1806 columns, 165974 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 54868 rows, 1806 columns and 165974 nonzeros
Model fingerprint: 0x4227bf81
Variable types: 41 continuous, 1765 integer (1765 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 10019 rows and 29 columns
Presolve time: 0.40s
Presolved: 44849 rows, 1777 columns, 136261 nonzeros
Variable types: 0 continuous, 1777 integer (1736 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25753 rows, 20873 columns, 98069 nonzeros


Root relaxation: objective 4.300000e+01, 3588 iterations, 1.74 seconds (1.49 work units)

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

     0     0   43.00000    0  445    7.00000   43.00000   514%     -    5s
H    0     0                       8.0000000   43.00000   437%     -    5s
H    0     0                      10.0000000   43.00000   330%     -    6s
     0     0   43.00000    0  697   10.00000   43.00000   330%     -   10s
     0     0   43.00000    0  695   10.00000   43.00000   330%     -   11s
H    0     0                      11.0000000   43.00000   291%     -   50s
     0     0   43.00000    0  672   11.00000   43.00000   291%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 4
  Clique: 2
  MIR: 20
  Zero half: 6
  RLT: 21

Explored 1 nodes (48945 simplex iterations) in 50.10 seconds (46.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 8 7 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.300000000000e+01, gap 290.9091%

Wrote result file './lp_solutions/grafo5777.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:35:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5777.38.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/grafo5777.38.lp
Reading time = 0.09 seconds
: 54868 rows, 1806 columns, 165974 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 54868 rows, 1806 columns and 165974 nonzeros
Model fingerprint: 0x4227bf81
Variable types: 41 continuous, 1765 integer (1765 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 10019 rows and 29 columns
Presolve time: 0.35s
Presolved: 44849 rows, 1777 columns, 136261 nonzeros
Variable types: 0 continuous, 1777 integer (1736 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25753 rows, 20873 columns, 98069 nonzeros


Root relaxation: objective 4.300000e+01, 3588 iterations, 1.48 seconds (1.49 work units)

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

     0     0   43.00000    0  445    7.00000   43.00000   514%     -    4s
H    0     0                       8.0000000   43.00000   437%     -    4s
H    0     0                      10.0000000   43.00000   330%     -    5s
     0     0   43.00000    0  697   10.00000   43.00000   330%     -    9s
     0     0   43.00000    0  695   10.00000   43.00000   330%     -    9s
H    0     0                      11.0000000   43.00000   291%     -   45s
     0     0   43.00000    0  672   11.00000   43.00000   291%     -   46s
     0     0   43.00000    0  604   11.00000   43.00000   291%     -   47s
     0     0          -    0        11.00000   43.00000   291%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 22
  Clique: 13
  MIR: 157
  GUB cover: 7
  Zero half: 39
  RLT: 72
  BQP: 1

Explored 1 nodes (50889 simplex iterations) in 50.05 seconds (48.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 8 7 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.300000000000e+01, gap 290.9091%

Wrote result file './lp_solutions/grafo5777.38.sol'

