
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:39:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5733.39.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/grafo5733.39.lp
Reading time = 0.13 seconds
: 63045 rows, 1923 columns, 190640 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 63045 rows, 1923 columns and 190640 nonzeros
Model fingerprint: 0xa1429ec4
Variable types: 43 continuous, 1880 integer (1880 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 3.0000000
Presolve removed 11920 rows and 31 columns
Presolve time: 0.68s
Presolved: 51125 rows, 1892 columns, 155266 nonzeros
Variable types: 0 continuous, 1892 integer (1849 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 29645 rows, 23372 columns, 112306 nonzeros


Root relaxation: objective 4.100000e+01, 3428 iterations, 2.40 seconds (1.59 work units)
Total elapsed time = 7.27s (DegenMoves)

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

     0     0   41.00000    0  577    9.00000   41.00000   356%     -   23s
H    0     0                      13.0000000   41.00000   215%     -   23s
     0     0   41.00000    0  711   13.00000   41.00000   215%     -   36s
     0     0   41.00000    0  704   13.00000   41.00000   215%     -   40s
     0     0   41.00000    0  739   13.00000   41.00000   215%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 21
  Clique: 7
  MIR: 148
  StrongCG: 1
  Zero half: 38
  RLT: 65
  BQP: 3

Explored 1 nodes (39160 simplex iterations) in 50.09 seconds (40.21 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 9 3 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo5733.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:27:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5733.39.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/grafo5733.39.lp
Reading time = 0.10 seconds
: 63045 rows, 1923 columns, 190640 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 63045 rows, 1923 columns and 190640 nonzeros
Model fingerprint: 0xa1429ec4
Variable types: 43 continuous, 1880 integer (1880 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 3.0000000
Presolve removed 11920 rows and 31 columns
Presolve time: 0.41s
Presolved: 51125 rows, 1892 columns, 155266 nonzeros
Variable types: 0 continuous, 1892 integer (1849 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 29645 rows, 23372 columns, 112306 nonzeros


Root relaxation: objective 4.100000e+01, 3428 iterations, 1.66 seconds (1.59 work units)
Total elapsed time = 5.05s (DegenMoves)

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

     0     0   41.00000    0  577    9.00000   41.00000   356%     -   17s
H    0     0                      13.0000000   41.00000   215%     -   17s
     0     0   41.00000    0  711   13.00000   41.00000   215%     -   27s
     0     0   41.00000    0  704   13.00000   41.00000   215%     -   29s
     0     0   41.00000    0  569   13.00000   41.00000   215%     -   43s
     0     0   41.00000    0  541   13.00000   41.00000   215%     -   44s
     0     0          -    0        13.00000   41.00000   215%     -   50s

Cutting planes:
  Cover: 39
  Clique: 8
  MIR: 139
  StrongCG: 2
  GUB cover: 9
  Zero half: 59
  RLT: 66
  BQP: 2

Explored 1 nodes (53373 simplex iterations) in 50.05 seconds (52.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 9 3 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo5733.39.sol'

