
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:24:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10941.37.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/grafo10941.37.lp
Reading time = 0.12 seconds
: 67041 rows, 1852 columns, 202669 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 67041 rows, 1852 columns and 202669 nonzeros
Model fingerprint: 0xf514c2d2
Variable types: 43 continuous, 1809 integer (1809 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 2.0000000
Presolve removed 15447 rows and 30 columns
Presolve time: 0.52s
Presolved: 51594 rows, 1822 columns, 156721 nonzeros
Variable types: 0 continuous, 1822 integer (1779 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1819 rows, 53413 columns, 158543 nonzeros


Root relaxation: objective 3.800000e+01, 1562 iterations, 0.34 seconds (0.30 work units)

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

     0     0   38.00000    0  410    9.00000   38.00000   322%     -    4s
H    0     0                      10.0000000   38.00000   280%     -    4s
H    0     0                      12.0000000   38.00000   217%     -    5s
     0     0   38.00000    0  470   12.00000   38.00000   217%     -    9s
     0     0   38.00000    0  459   12.00000   38.00000   217%     -   10s
H    0     0                      13.0000000   38.00000   192%     -   35s
H    0     0                      14.0000000   38.00000   171%     -   35s
     0     0   38.00000    0  554   14.00000   38.00000   171%     -   35s
     0     0   38.00000    0  550   14.00000   38.00000   171%     -   37s
     0     0   38.00000    0  608   14.00000   38.00000   171%     -   50s

Cutting planes:
  Cover: 26
  Clique: 12
  MIR: 103
  StrongCG: 1
  GUB cover: 2
  Zero half: 45
  RLT: 58
  BQP: 1

Explored 1 nodes (40084 simplex iterations) in 50.06 seconds (36.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 12 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo10941.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:24:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10941.37.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/grafo10941.37.lp
Reading time = 0.13 seconds
: 67041 rows, 1852 columns, 202669 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 67041 rows, 1852 columns and 202669 nonzeros
Model fingerprint: 0xf514c2d2
Variable types: 43 continuous, 1809 integer (1809 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 2.0000000
Presolve removed 15447 rows and 30 columns
Presolve time: 0.69s
Presolved: 51594 rows, 1822 columns, 156721 nonzeros
Variable types: 0 continuous, 1822 integer (1779 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1819 rows, 53413 columns, 158543 nonzeros


Root relaxation: objective 3.800000e+01, 1562 iterations, 0.55 seconds (0.30 work units)

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

     0     0   38.00000    0  410    9.00000   38.00000   322%     -    5s
H    0     0                      10.0000000   38.00000   280%     -    5s
H    0     0                      12.0000000   38.00000   217%     -    7s
     0     0   38.00000    0  470   12.00000   38.00000   217%     -   12s
     0     0   38.00000    0  459   12.00000   38.00000   217%     -   12s
H    0     0                      13.0000000   38.00000   192%     -   40s
H    0     0                      14.0000000   38.00000   171%     -   40s
     0     0   38.00000    0  554   14.00000   38.00000   171%     -   40s
     0     0   38.00000    0  550   14.00000   38.00000   171%     -   42s
     0     0   38.00000    0  608   14.00000   38.00000   171%     -   50s

Cutting planes:
  Cover: 26
  Clique: 12
  MIR: 103
  StrongCG: 1
  GUB cover: 2
  Zero half: 45
  RLT: 58
  BQP: 1

Explored 1 nodes (34180 simplex iterations) in 50.10 seconds (32.38 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 12 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo10941.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:05:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10941.37.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/grafo10941.37.lp
Reading time = 0.11 seconds
: 67041 rows, 1852 columns, 202669 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 67041 rows, 1852 columns and 202669 nonzeros
Model fingerprint: 0xf514c2d2
Variable types: 43 continuous, 1809 integer (1809 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 2.0000000
Presolve removed 15447 rows and 30 columns
Presolve time: 0.48s
Presolved: 51594 rows, 1822 columns, 156721 nonzeros
Variable types: 0 continuous, 1822 integer (1779 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1819 rows, 53413 columns, 158543 nonzeros


Root relaxation: objective 3.800000e+01, 1562 iterations, 0.32 seconds (0.30 work units)

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

     0     0   38.00000    0  410    9.00000   38.00000   322%     -    3s
H    0     0                      10.0000000   38.00000   280%     -    3s
H    0     0                      12.0000000   38.00000   217%     -    5s
     0     0   38.00000    0  470   12.00000   38.00000   217%     -    8s
     0     0   38.00000    0  459   12.00000   38.00000   217%     -    8s
H    0     0                      13.0000000   38.00000   192%     -   29s
H    0     0                      14.0000000   38.00000   171%     -   29s
     0     0   38.00000    0  554   14.00000   38.00000   171%     -   29s
     0     0   38.00000    0  550   14.00000   38.00000   171%     -   30s
     0     0   38.00000    0  600   14.00000   38.00000   171%     -   50s

Cutting planes:
  Cover: 26
  Clique: 12
  MIR: 103
  StrongCG: 1
  GUB cover: 2
  Zero half: 45
  RLT: 58
  BQP: 1

Explored 1 nodes (50400 simplex iterations) in 50.08 seconds (48.86 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 12 ... 2

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo10941.37.sol'

