
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 03:05:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11669.39.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/grafo11669.39.lp
Reading time = 0.10 seconds
: 40424 rows, 1612 columns, 122308 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 40424 rows, 1612 columns and 122308 nonzeros
Model fingerprint: 0x96e2f243
Variable types: 37 continuous, 1575 integer (1575 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 4261 rows and 30 columns
Presolve time: 0.35s
Presolved: 36163 rows, 1582 columns, 109801 nonzeros
Variable types: 0 continuous, 1582 integer (1545 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 19254 rows, 18491 columns, 75983 nonzeros


Root relaxation: objective 3.400000e+01, 1838 iterations, 0.79 seconds (0.43 work units)

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

     0     0   34.00000    0  314    5.00000   34.00000   580%     -    2s
H    0     0                      10.0000000   34.00000   240%     -    2s
H    0     0                      11.0000000   34.00000   209%     -    2s
H    0     0                      12.0000000   34.00000   183%     -    2s
     0     0   34.00000    0  472   12.00000   34.00000   183%     -    6s
     0     0   34.00000    0  464   12.00000   34.00000   183%     -    6s
     0     0   34.00000    0  424   12.00000   34.00000   183%     -   14s
     0     0   34.00000    0  374   12.00000   34.00000   183%     -   14s
     0     0   34.00000    0  377   12.00000   34.00000   183%     -   21s
     0     0   34.00000    0  355   12.00000   34.00000   183%     -   21s
H    0     0                      13.0000000   34.00000   162%     -   29s
     0     0   34.00000    0  392   13.00000   34.00000   162%     -   29s
     0     0   34.00000    0  366   13.00000   34.00000   162%     -   29s
     0     0   33.66667    0  421   13.00000   33.66667   159%     -   35s
H    0     0                      14.0000000   33.66667   140%     -   36s
     0     0   33.66667    0  414   14.00000   33.66667   140%     -   36s
     0     0   33.66667    0  343   14.00000   33.66667   140%     -   40s
     0     0   33.66667    0  316   14.00000   33.66667   140%     -   41s
     0     2   33.66667    0  316   14.00000   33.66667   140%     -   46s
    54    65   33.25000   13  275   14.00000   33.66667   140%   251   50s

Cutting planes:
  Gomory: 1
  Cover: 8
  Clique: 1
  MIR: 153
  StrongCG: 5
  Inf proof: 2
  Zero half: 8
  RLT: 68

Explored 64 nodes (63102 simplex iterations) in 50.04 seconds (30.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.300000000000e+01, gap 135.7143%

Wrote result file './lp_solutions/grafo11669.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:51:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11669.39.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/grafo11669.39.lp
Reading time = 0.09 seconds
: 40424 rows, 1612 columns, 122308 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 40424 rows, 1612 columns and 122308 nonzeros
Model fingerprint: 0x96e2f243
Variable types: 37 continuous, 1575 integer (1575 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 4261 rows and 30 columns
Presolve time: 0.37s
Presolved: 36163 rows, 1582 columns, 109801 nonzeros
Variable types: 0 continuous, 1582 integer (1545 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 19254 rows, 18491 columns, 75983 nonzeros


Root relaxation: objective 3.400000e+01, 1838 iterations, 0.69 seconds (0.43 work units)

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

     0     0   34.00000    0  314    5.00000   34.00000   580%     -    2s
H    0     0                      10.0000000   34.00000   240%     -    2s
H    0     0                      11.0000000   34.00000   209%     -    2s
H    0     0                      12.0000000   34.00000   183%     -    2s
     0     0   34.00000    0  472   12.00000   34.00000   183%     -    6s
     0     0   34.00000    0  464   12.00000   34.00000   183%     -    7s
     0     0   34.00000    0  424   12.00000   34.00000   183%     -   16s
     0     0   34.00000    0  374   12.00000   34.00000   183%     -   17s
     0     0   34.00000    0  377   12.00000   34.00000   183%     -   24s
     0     0   34.00000    0  355   12.00000   34.00000   183%     -   24s
H    0     0                      13.0000000   34.00000   162%     -   32s
     0     0   34.00000    0  392   13.00000   34.00000   162%     -   32s
     0     0   34.00000    0  366   13.00000   34.00000   162%     -   33s
     0     0   33.66667    0  421   13.00000   33.66667   159%     -   40s
H    0     0                      14.0000000   33.66667   140%     -   41s
     0     0   33.66667    0  414   14.00000   33.66667   140%     -   41s
     0     0   33.66667    0  343   14.00000   33.66667   140%     -   44s
     0     0   33.66667    0  316   14.00000   33.66667   140%     -   46s

Cutting planes:
  Cover: 1
  MIR: 16
  RLT: 16

Explored 1 nodes (47570 simplex iterations) in 50.02 seconds (26.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.300000000000e+01, gap 135.7143%

Wrote result file './lp_solutions/grafo11669.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:54:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11669.39.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/grafo11669.39.lp
Reading time = 0.08 seconds
: 40424 rows, 1612 columns, 122308 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 40424 rows, 1612 columns and 122308 nonzeros
Model fingerprint: 0x96e2f243
Variable types: 37 continuous, 1575 integer (1575 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 4261 rows and 30 columns
Presolve time: 0.30s
Presolved: 36163 rows, 1582 columns, 109801 nonzeros
Variable types: 0 continuous, 1582 integer (1545 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 19254 rows, 18491 columns, 75983 nonzeros


Root relaxation: objective 3.400000e+01, 1838 iterations, 0.56 seconds (0.43 work units)

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

     0     0   34.00000    0  314    5.00000   34.00000   580%     -    2s
H    0     0                      10.0000000   34.00000   240%     -    2s
H    0     0                      11.0000000   34.00000   209%     -    2s
H    0     0                      12.0000000   34.00000   183%     -    2s
     0     0   34.00000    0  472   12.00000   34.00000   183%     -    4s
     0     0   34.00000    0  464   12.00000   34.00000   183%     -    4s
     0     0   34.00000    0  424   12.00000   34.00000   183%     -   12s
     0     0   34.00000    0  374   12.00000   34.00000   183%     -   12s
     0     0   34.00000    0  377   12.00000   34.00000   183%     -   18s
     0     0   34.00000    0  355   12.00000   34.00000   183%     -   18s
H    0     0                      13.0000000   34.00000   162%     -   24s
     0     0   34.00000    0  392   13.00000   34.00000   162%     -   24s
     0     0   34.00000    0  366   13.00000   34.00000   162%     -   25s
     0     0   33.66667    0  421   13.00000   33.66667   159%     -   30s
H    0     0                      14.0000000   33.66667   140%     -   31s
     0     0   33.66667    0  414   14.00000   33.66667   140%     -   31s
     0     0   33.66667    0  343   14.00000   33.66667   140%     -   34s
     0     0   33.66667    0  316   14.00000   33.66667   140%     -   35s
     0     2   33.66667    0  316   14.00000   33.66667   140%     -   39s
     1     4   33.66667    1  319   14.00000   33.66667   140%  1537   40s
   121   129   31.00000   25  253   14.00000   33.66667   140%   191   45s
   166   172   29.66667   31  258   14.00000   33.66667   140%   180   50s
H  167   172                      15.0000000   33.66667   124%   179   50s

Cutting planes:
  Gomory: 1
  Cover: 8
  Clique: 1
  MIR: 153
  StrongCG: 5
  Inf proof: 2
  Zero half: 8
  RLT: 68

Explored 172 nodes (77962 simplex iterations) in 50.07 seconds (37.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 15 14 13 ... 1

Time limit reached
Best objective 1.500000000000e+01, best bound 3.300000000000e+01, gap 120.0000%

Wrote result file './lp_solutions/grafo11669.39.sol'

