
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:55:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1027.11.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/grafo1027.11.lp
Reading time = 0.01 seconds
: 2100 rows, 175 columns, 6319 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 2100 rows, 175 columns and 6319 nonzeros
Model fingerprint: 0xe7835237
Variable types: 11 continuous, 164 integer (164 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 962 rows and 9 columns
Presolve time: 0.04s
Presolved: 1138 rows, 166 columns, 3520 nonzeros
Variable types: 0 continuous, 166 integer (155 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.100000e+01, 137 iterations, 0.02 seconds (0.00 work units)

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

     0     0   11.00000    0   81    3.00000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0   94    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   94    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   73    4.00000   11.00000   175%     -    0s
     0     0   10.66667    0   73    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   81    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   82    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   84    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   76    4.00000   10.66667   167%     -    0s
     0     0   10.50000    0   84    4.00000   10.50000   162%     -    0s
     0     0   10.50000    0   84    4.00000   10.50000   162%     -    0s
     0     2   10.50000    0   55    4.00000   10.50000   162%     -    1s
H  490   338                       5.0000000   10.50000   110%  28.4    2s
* 1566   688              30       6.0000000    9.50000  58.3%  33.9    4s
  1761   744    7.00000   19   84    6.00000    9.50000  58.3%  33.3    5s
  2711   832     cutoff   23         6.00000    9.00000  50.0%  36.5   10s
  3194   745    8.50000   27  129    6.00000    9.00000  50.0%  38.0   15s
  3662   609    7.00000   24   82    6.00000    8.70000  45.0%  38.3   21s
  4050   463     cutoff   30         6.00000    8.00000  33.3%  38.9   26s
  4763   401     cutoff   29         6.00000    8.00000  33.3%  39.4   31s
  5282   156     cutoff   24         6.00000    8.00000  33.3%  40.5   35s

Cutting planes:
  Cover: 1
  MIR: 4
  StrongCG: 1
  Inf proof: 11
  RLT: 3

Explored 5748 nodes (234639 simplex iterations) in 37.50 seconds (3.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 6 6 6 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1027.11.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:00:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1027.11.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/grafo1027.11.lp
Reading time = 0.01 seconds
: 2100 rows, 175 columns, 6319 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 2100 rows, 175 columns and 6319 nonzeros
Model fingerprint: 0xe7835237
Variable types: 11 continuous, 164 integer (164 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 962 rows and 9 columns
Presolve time: 0.02s
Presolved: 1138 rows, 166 columns, 3520 nonzeros
Variable types: 0 continuous, 166 integer (155 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.100000e+01, 137 iterations, 0.01 seconds (0.00 work units)

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

     0     0   11.00000    0   81    3.00000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0   94    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   94    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   73    4.00000   11.00000   175%     -    0s
     0     0   10.66667    0   73    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   81    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   82    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   84    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   76    4.00000   10.66667   167%     -    0s
     0     0   10.50000    0   84    4.00000   10.50000   162%     -    0s
     0     0   10.50000    0   84    4.00000   10.50000   162%     -    0s
     0     2   10.50000    0   55    4.00000   10.50000   162%     -    1s
H  490   338                       5.0000000   10.50000   110%  28.4    1s
* 1566   688              30       6.0000000    9.50000  58.3%  33.9    4s
  1761   744    7.00000   19   84    6.00000    9.50000  58.3%  33.3    5s
  3662   609    7.00000   24   82    6.00000    8.70000  45.0%  38.3   10s

Cutting planes:
  Cover: 1
  MIR: 4
  StrongCG: 1
  Inf proof: 11
  RLT: 3

Explored 5748 nodes (234639 simplex iterations) in 13.31 seconds (3.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 6 6 6 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1027.11.sol'

