
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:54:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6717.38.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/grafo6717.38.lp
Reading time = 0.14 seconds
: 80117 rows, 1868 columns, 241820 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 80117 rows, 1868 columns and 241820 nonzeros
Model fingerprint: 0xa11fad76
Variable types: 42 continuous, 1826 integer (1826 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 -0.0000000
Presolve removed 23149 rows and 27 columns
Presolve time: 0.65s
Presolved: 56968 rows, 1841 columns, 172776 nonzeros
Variable types: 0 continuous, 1841 integer (1799 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1835 rows, 58803 columns, 174617 nonzeros


Root relaxation: objective 3.900000e+01, 2983 iterations, 1.07 seconds (1.18 work units)
Total elapsed time = 7.37s (DegenMoves)

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

     0     0   39.00000    0  376    7.00000   39.00000   457%     -    8s
H    0     0                       8.0000000   39.00000   388%     -    9s
     0     0   39.00000    0  569    8.00000   39.00000   387%     -   14s
     0     0   39.00000    0  568    8.00000   39.00000   387%     -   15s
     0     0   39.00000    0  464    8.00000   39.00000   387%     -   35s
     0     0   39.00000    0  509    8.00000   39.00000   387%     -   36s
H    0     0                       9.0000000   39.00000   333%     -   38s
H    0     0                      10.0000000   39.00000   290%     -   49s
     0     0   39.00000    0  454   10.00000   39.00000   290%     -   49s
     0     0   39.00000    0  452   10.00000   39.00000   290%     -   49s

Cutting planes:
  Cover: 28
  Clique: 8
  MIR: 88
  StrongCG: 1
  GUB cover: 1
  Zero half: 6
  RLT: 27

Explored 1 nodes (43240 simplex iterations) in 50.07 seconds (41.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 3.900000000000e+01, gap 290.0000%

Wrote result file './lp_solutions/grafo6717.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:50:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6717.38.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/grafo6717.38.lp
Reading time = 0.13 seconds
: 80117 rows, 1868 columns, 241820 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 80117 rows, 1868 columns and 241820 nonzeros
Model fingerprint: 0xa11fad76
Variable types: 42 continuous, 1826 integer (1826 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 -0.0000000
Presolve removed 23149 rows and 27 columns
Presolve time: 0.55s
Presolved: 56968 rows, 1841 columns, 172776 nonzeros
Variable types: 0 continuous, 1841 integer (1799 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1835 rows, 58803 columns, 174617 nonzeros


Root relaxation: objective 3.900000e+01, 2983 iterations, 0.94 seconds (1.18 work units)
Total elapsed time = 6.50s (DegenMoves)

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

     0     0   39.00000    0  376    7.00000   39.00000   457%     -    7s
H    0     0                       8.0000000   39.00000   388%     -    8s
     0     0   39.00000    0  569    8.00000   39.00000   387%     -   13s
     0     0   39.00000    0  568    8.00000   39.00000   387%     -   13s
     0     0   39.00000    0  464    8.00000   39.00000   387%     -   30s
     0     0   39.00000    0  509    8.00000   39.00000   387%     -   31s
H    0     0                       9.0000000   39.00000   333%     -   33s
H    0     0                      10.0000000   39.00000   290%     -   42s
     0     0   39.00000    0  454   10.00000   39.00000   290%     -   42s
     0     0   39.00000    0  452   10.00000   39.00000   290%     -   42s
     0     0   39.00000    0  660   10.00000   39.00000   290%     -   50s

Cutting planes:
  Cover: 28
  Clique: 8
  MIR: 150
  StrongCG: 1
  GUB cover: 1
  Zero half: 56
  RLT: 57

Explored 1 nodes (49269 simplex iterations) in 50.09 seconds (48.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 3.900000000000e+01, gap 290.0000%

Wrote result file './lp_solutions/grafo6717.38.sol'

