
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:23:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5450.36.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/grafo5450.36.lp
Reading time = 0.06 seconds
: 31220 rows, 1428 columns, 94617 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 31220 rows, 1428 columns and 94617 nonzeros
Model fingerprint: 0x50374c59
Variable types: 36 continuous, 1392 integer (1392 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 1810 rows and 39 columns
Presolve time: 0.30s
Presolved: 29410 rows, 1389 columns, 89490 nonzeros
Variable types: 0 continuous, 1389 integer (1353 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 15130 rows, 15669 columns, 60930 nonzeros


Root relaxation: objective 2.500000e+01, 2763 iterations, 1.31 seconds (0.74 work units)

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

     0     0   25.00000    0  314    5.00000   25.00000   400%     -    4s
H    0     0                       9.0000000   25.00000   178%     -    4s
H    0     0                      12.0000000   25.00000   108%     -    4s
     0     0   25.00000    0  518   12.00000   25.00000   108%     -    8s
     0     0   25.00000    0  533   12.00000   25.00000   108%     -   10s
H    0     0                      13.0000000   25.00000  92.3%     -   33s
     0     0   25.00000    0  452   13.00000   25.00000  92.3%     -   35s
     0     0   25.00000    0  456   13.00000   25.00000  92.3%     -   35s
     0     0   24.50000    0  369   13.00000   24.50000  88.5%     -   45s
     0     0   24.50000    0  379   13.00000   24.50000  88.5%     -   46s
     0     0   24.50000    0  457   13.00000   24.50000  88.5%     -   50s

Cutting planes:
  Cover: 14
  Clique: 1
  MIR: 86
  GUB cover: 9
  Zero half: 55
  RLT: 38

Explored 1 nodes (55300 simplex iterations) in 50.06 seconds (29.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 9 5 

Time limit reached
Best objective 1.300000000000e+01, best bound 2.400000000000e+01, gap 84.6154%

Wrote result file './lp_solutions/grafo5450.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:20:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5450.36.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/grafo5450.36.lp
Reading time = 0.07 seconds
: 31220 rows, 1428 columns, 94617 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 31220 rows, 1428 columns and 94617 nonzeros
Model fingerprint: 0x50374c59
Variable types: 36 continuous, 1392 integer (1392 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 1810 rows and 39 columns
Presolve time: 0.25s
Presolved: 29410 rows, 1389 columns, 89490 nonzeros
Variable types: 0 continuous, 1389 integer (1353 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 15130 rows, 15669 columns, 60930 nonzeros


Root relaxation: objective 2.500000e+01, 2763 iterations, 1.14 seconds (0.74 work units)

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

     0     0   25.00000    0  314    5.00000   25.00000   400%     -    4s
H    0     0                       9.0000000   25.00000   178%     -    4s
H    0     0                      12.0000000   25.00000   108%     -    4s
     0     0   25.00000    0  518   12.00000   25.00000   108%     -    8s
     0     0   25.00000    0  533   12.00000   25.00000   108%     -    9s
H    0     0                      13.0000000   25.00000  92.3%     -   37s
     0     0   25.00000    0  452   13.00000   25.00000  92.3%     -   38s
     0     0   25.00000    0  456   13.00000   25.00000  92.3%     -   38s
     0     0   24.50000    0  369   13.00000   24.50000  88.5%     -   49s
     0     0   24.50000    0  379   13.00000   24.50000  88.5%     -   49s

Cutting planes:
  Cover: 16
  Clique: 1
  MIR: 18
  GUB cover: 11
  Zero half: 1
  RLT: 14

Explored 1 nodes (52363 simplex iterations) in 50.04 seconds (27.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 9 5 

Time limit reached
Best objective 1.300000000000e+01, best bound 2.400000000000e+01, gap 84.6154%

Wrote result file './lp_solutions/grafo5450.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:23:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5450.36.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/grafo5450.36.lp
Reading time = 0.06 seconds
: 31220 rows, 1428 columns, 94617 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 31220 rows, 1428 columns and 94617 nonzeros
Model fingerprint: 0x50374c59
Variable types: 36 continuous, 1392 integer (1392 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 1810 rows and 39 columns
Presolve time: 0.23s
Presolved: 29410 rows, 1389 columns, 89490 nonzeros
Variable types: 0 continuous, 1389 integer (1353 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 15130 rows, 15669 columns, 60930 nonzeros


Root relaxation: objective 2.500000e+01, 2763 iterations, 1.05 seconds (0.74 work units)

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

     0     0   25.00000    0  314    5.00000   25.00000   400%     -    3s
H    0     0                       9.0000000   25.00000   178%     -    3s
H    0     0                      12.0000000   25.00000   108%     -    3s
     0     0   25.00000    0  518   12.00000   25.00000   108%     -    7s
     0     0   25.00000    0  533   12.00000   25.00000   108%     -    8s
H    0     0                      13.0000000   25.00000  92.3%     -   28s
     0     0   25.00000    0  452   13.00000   25.00000  92.3%     -   29s
     0     0   25.00000    0  456   13.00000   25.00000  92.3%     -   29s
     0     0   24.50000    0  369   13.00000   24.50000  88.5%     -   38s
     0     0   24.50000    0  379   13.00000   24.50000  88.5%     -   38s
     0     0   24.50000    0  339   13.00000   24.50000  88.5%     -   44s
     0     0   24.50000    0  351   13.00000   24.50000  88.5%     -   44s
     0     0   24.33333    0  331   13.00000   24.33333  87.2%     -   47s
     0     0   24.33333    0  272   13.00000   24.33333  87.2%     -   47s
     0     0   24.33333    0  464   13.00000   24.33333  87.2%     -   50s

Cutting planes:
  Cover: 22
  Clique: 1
  MIR: 86
  StrongCG: 2
  GUB cover: 7
  Zero half: 22
  RLT: 26

Explored 1 nodes (70422 simplex iterations) in 50.04 seconds (35.74 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 9 5 

Time limit reached
Best objective 1.300000000000e+01, best bound 2.400000000000e+01, gap 84.6154%

Wrote result file './lp_solutions/grafo5450.36.sol'

