
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 09:00:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5844.39.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/grafo5844.39.lp
Reading time = 0.19 seconds
: 84383 rows, 1939 columns, 254686 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 84383 rows, 1939 columns and 254686 nonzeros
Model fingerprint: 0x9e569345
Variable types: 43 continuous, 1896 integer (1896 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 23666 rows and 30 columns
Presolve time: 1.05s
Presolved: 60717 rows, 1909 columns, 184003 nonzeros
Variable types: 0 continuous, 1909 integer (1866 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1909 rows, 62626 columns, 185912 nonzeros


Root relaxation: objective 4.100000e+01, 1830 iterations, 0.63 seconds (0.40 work units)
Total elapsed time = 7.51s (DegenMoves)

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

     0     0   41.00000    0  394    8.00000   41.00000   412%     -    8s
H    0     0                       9.0000000   41.00000   356%     -   11s
     0     0   41.00000    0 1012    9.00000   41.00000   356%     -   40s
H    0     0                      10.0000000   41.00000   310%     -   41s
     0     0   41.00000    0  942   10.00000   41.00000   310%     -   42s
     0     0          -    0        10.00000   41.00000   310%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 8
  Clique: 20
  MIR: 108
  StrongCG: 2
  Zero half: 69
  RLT: 55
  BQP: 3

Explored 1 nodes (23598 simplex iterations) in 50.09 seconds (30.78 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.100000000000e+01, gap 310.0000%

Wrote result file './lp_solutions/grafo5844.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:28:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5844.39.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/grafo5844.39.lp
Reading time = 0.14 seconds
: 84383 rows, 1939 columns, 254686 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 84383 rows, 1939 columns and 254686 nonzeros
Model fingerprint: 0x9e569345
Variable types: 43 continuous, 1896 integer (1896 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 23666 rows and 30 columns
Presolve time: 0.60s
Presolved: 60717 rows, 1909 columns, 184003 nonzeros
Variable types: 0 continuous, 1909 integer (1866 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1909 rows, 62626 columns, 185912 nonzeros


Root relaxation: objective 4.100000e+01, 1830 iterations, 0.37 seconds (0.40 work units)
Total elapsed time = 5.28s (DegenMoves)

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

     0     0   41.00000    0  394    8.00000   41.00000   412%     -    5s
H    0     0                       9.0000000   41.00000   356%     -    7s
     0     0   41.00000    0 1012    9.00000   41.00000   356%     -   28s
H    0     0                      10.0000000   41.00000   310%     -   28s
     0     0   41.00000    0  942   10.00000   41.00000   310%     -   29s
     0     0   41.00000    0  651   10.00000   41.00000   310%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 8
  Clique: 20
  MIR: 108
  StrongCG: 2
  Zero half: 69
  RLT: 55
  BQP: 3

Explored 1 nodes (38077 simplex iterations) in 50.07 seconds (45.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.100000000000e+01, gap 310.0000%

Wrote result file './lp_solutions/grafo5844.39.sol'

