
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:35:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5718.46.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/grafo5718.46.lp
Reading time = 0.12 seconds
: 51876 rows, 1936 columns, 156775 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 51876 rows, 1936 columns and 156775 nonzeros
Model fingerprint: 0xe55f48c6
Variable types: 37 continuous, 1899 integer (1899 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 3515 rows and 17 columns
Presolve time: 0.74s
Presolved: 48361 rows, 1919 columns, 146485 nonzeros
Variable types: 0 continuous, 1919 integer (1882 binary)
Root relaxation presolved: 25411 rows, 24869 columns, 100585 nonzeros


Root relaxation: objective 3.000000e+01, 2061 iterations, 1.25 seconds (0.63 work units)
Total elapsed time = 5.29s (DegenMoves)

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

     0     0   30.00000    0  276          -   30.00000      -     -    6s
H    0     0                       9.0000000   30.00000   233%     -    8s
     0     0   30.00000    0  427    9.00000   30.00000   233%     -   11s
H    0     0                      10.0000000   30.00000   200%     -   12s
     0     0   30.00000    0  424   10.00000   30.00000   200%     -   12s
     0     0   30.00000    0  374   10.00000   30.00000   200%     -   21s
     0     0   30.00000    0  428   10.00000   30.00000   200%     -   23s
     0     0   30.00000    0  358   10.00000   30.00000   200%     -   31s
H    0     0                      11.0000000   30.00000   173%     -   34s
     0     0   30.00000    0  481   11.00000   30.00000   173%     -   34s
     0     0   30.00000    0  472   11.00000   30.00000   173%     -   42s
     0     0   30.00000    0  453   11.00000   30.00000   173%     -   43s
H    0     0                      12.0000000   30.00000   150%     -   47s
     0     0   30.00000    0  325   12.00000   30.00000   150%     -   47s
     0     0   30.00000    0  457   12.00000   30.00000   150%     -   49s

Cutting planes:
  Gomory: 2
  Cover: 15
  Clique: 2
  MIR: 21
  StrongCG: 1
  Zero half: 4
  RLT: 44

Explored 1 nodes (47037 simplex iterations) in 50.11 seconds (26.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 10 9 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo5718.46.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:54:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5718.46.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/grafo5718.46.lp
Reading time = 0.08 seconds
: 51876 rows, 1936 columns, 156775 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 51876 rows, 1936 columns and 156775 nonzeros
Model fingerprint: 0xe55f48c6
Variable types: 37 continuous, 1899 integer (1899 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 3515 rows and 17 columns
Presolve time: 0.31s
Presolved: 48361 rows, 1919 columns, 146485 nonzeros
Variable types: 0 continuous, 1919 integer (1882 binary)
Root relaxation presolved: 25411 rows, 24869 columns, 100585 nonzeros


Root relaxation: objective 3.000000e+01, 2061 iterations, 0.71 seconds (0.63 work units)

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

     0     0   30.00000    0  276          -   30.00000      -     -    3s
H    0     0                       9.0000000   30.00000   233%     -    5s
     0     0   30.00000    0  427    9.00000   30.00000   233%     -    6s
H    0     0                      10.0000000   30.00000   200%     -    7s
     0     0   30.00000    0  424   10.00000   30.00000   200%     -    7s
     0     0   30.00000    0  374   10.00000   30.00000   200%     -   12s
     0     0   30.00000    0  428   10.00000   30.00000   200%     -   14s
     0     0   30.00000    0  358   10.00000   30.00000   200%     -   19s
H    0     0                      11.0000000   30.00000   173%     -   21s
     0     0   30.00000    0  481   11.00000   30.00000   173%     -   21s
     0     0   30.00000    0  472   11.00000   30.00000   173%     -   26s
     0     0   30.00000    0  453   11.00000   30.00000   173%     -   26s
H    0     0                      12.0000000   30.00000   150%     -   29s
     0     0   30.00000    0  325   12.00000   30.00000   150%     -   29s
     0     0   30.00000    0  457   12.00000   30.00000   150%     -   31s
     0     0   30.00000    0  379   12.00000   30.00000   150%     -   35s
     0     0   30.00000    0  379   12.00000   30.00000   150%     -   37s
     0     2   30.00000    0  379   12.00000   30.00000   150%     -   43s
     7    12   30.00000    3  295   12.00000   30.00000   150%  1484   45s
H   27    32                      13.0000000   30.00000   131%   500   46s
    51    56   28.00000   12  253   13.00000   30.00000   131%   411   50s

Cutting planes:
  Gomory: 3
  Lift-and-project: 1
  Cover: 2
  Clique: 2
  MIR: 67
  StrongCG: 1
  Zero half: 12
  RLT: 54
  Relax-and-lift: 1

Explored 55 nodes (80505 simplex iterations) in 50.06 seconds (49.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 9

Time limit reached
Best objective 1.300000000000e+01, best bound 3.000000000000e+01, gap 130.7692%

Wrote result file './lp_solutions/grafo5718.46.sol'

