
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:49:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11322.38.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/grafo11322.38.lp
Reading time = 0.12 seconds
: 67767 rows, 1957 columns, 204925 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 67767 rows, 1957 columns and 204925 nonzeros
Model fingerprint: 0x677f743f
Variable types: 44 continuous, 1913 integer (1913 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 15169 rows and 26 columns
Presolve time: 0.48s
Presolved: 52598 rows, 1931 columns, 159779 nonzeros
Variable types: 0 continuous, 1931 integer (1887 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1931 rows, 54529 columns, 161710 nonzeros


Root relaxation: objective 4.400000e+01, 1778 iterations, 0.32 seconds (0.28 work units)

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

     0     0   44.00000    0  351    7.00000   44.00000   529%     -    3s
H    0     0                       9.0000000   44.00000   389%     -    3s
H    0     0                      11.0000000   44.00000   300%     -    3s
     0     0   44.00000    0  611   11.00000   44.00000   300%     -   10s
H    0     0                      13.0000000   44.00000   238%     -   10s
     0     0   44.00000    0  608   13.00000   44.00000   238%     -   11s
H    0     0                      14.0000000   43.95556   214%     -   32s
H    0     0                      15.0000000   43.95556   193%     -   32s
H    0     0                      16.0000000   43.95556   175%     -   32s
     0     0   43.95556    0  450   16.00000   43.95556   175%     -   32s
     0     0   43.95556    0  496   16.00000   43.95556   175%     -   33s
H    0     0                      17.0000000   43.95556   159%     -   50s
     0     0   43.78889    0  400   17.00000   43.78889   158%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 3
  Clique: 9
  MIR: 41
  Zero half: 4
  RLT: 32

Explored 1 nodes (50069 simplex iterations) in 50.10 seconds (41.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 7

Time limit reached
Best objective 1.700000000000e+01, best bound 4.300000000000e+01, gap 152.9412%

Wrote result file './lp_solutions/grafo11322.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:45:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11322.38.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/grafo11322.38.lp
Reading time = 0.14 seconds
: 67767 rows, 1957 columns, 204925 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 67767 rows, 1957 columns and 204925 nonzeros
Model fingerprint: 0x677f743f
Variable types: 44 continuous, 1913 integer (1913 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 15169 rows and 26 columns
Presolve time: 0.68s
Presolved: 52598 rows, 1931 columns, 159779 nonzeros
Variable types: 0 continuous, 1931 integer (1887 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1931 rows, 54529 columns, 161710 nonzeros


Root relaxation: objective 4.400000e+01, 1778 iterations, 0.47 seconds (0.28 work units)

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

     0     0   44.00000    0  351    7.00000   44.00000   529%     -    4s
H    0     0                       9.0000000   44.00000   389%     -    4s
H    0     0                      11.0000000   44.00000   300%     -    5s
     0     0   44.00000    0  611   11.00000   44.00000   300%     -   13s
H    0     0                      13.0000000   44.00000   238%     -   13s
     0     0   44.00000    0  608   13.00000   44.00000   238%     -   14s
H    0     0                      14.0000000   43.95556   214%     -   42s
H    0     0                      15.0000000   43.95556   193%     -   42s
H    0     0                      16.0000000   43.95556   175%     -   42s
     0     0   43.95556    0  450   16.00000   43.95556   175%     -   42s
     0     0   43.95556    0  496   16.00000   43.95556   175%     -   42s
     0     0   43.95556    0  605   16.00000   43.95556   175%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 25
  Clique: 12
  MIR: 179
  StrongCG: 1
  GUB cover: 1
  Zero half: 51
  RLT: 73

Explored 1 nodes (37603 simplex iterations) in 50.08 seconds (31.77 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 7

Time limit reached
Best objective 1.600000000000e+01, best bound 4.300000000000e+01, gap 168.7500%

Wrote result file './lp_solutions/grafo11322.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:07:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11322.38.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/grafo11322.38.lp
Reading time = 0.11 seconds
: 67767 rows, 1957 columns, 204925 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 67767 rows, 1957 columns and 204925 nonzeros
Model fingerprint: 0x677f743f
Variable types: 44 continuous, 1913 integer (1913 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 15169 rows and 26 columns
Presolve time: 0.48s
Presolved: 52598 rows, 1931 columns, 159779 nonzeros
Variable types: 0 continuous, 1931 integer (1887 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1931 rows, 54529 columns, 161710 nonzeros


Root relaxation: objective 4.400000e+01, 1778 iterations, 0.29 seconds (0.28 work units)

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

     0     0   44.00000    0  351    7.00000   44.00000   529%     -    3s
H    0     0                       9.0000000   44.00000   389%     -    3s
H    0     0                      11.0000000   44.00000   300%     -    3s
     0     0   44.00000    0  611   11.00000   44.00000   300%     -    9s
H    0     0                      13.0000000   44.00000   238%     -    9s
     0     0   44.00000    0  608   13.00000   44.00000   238%     -   10s
H    0     0                      14.0000000   43.95556   214%     -   29s
H    0     0                      15.0000000   43.95556   193%     -   29s
H    0     0                      16.0000000   43.95556   175%     -   29s
     0     0   43.95556    0  450   16.00000   43.95556   175%     -   29s
     0     0   43.95556    0  496   16.00000   43.95556   175%     -   30s
H    0     0                      17.0000000   43.95556   159%     -   46s
     0     0   43.78889    0  400   17.00000   43.78889   158%     -   46s
     0     0   43.78889    0  432   17.00000   43.78889   158%     -   47s
     0     0          -    0        17.00000   43.78889   158%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 29
  Clique: 10
  MIR: 118
  StrongCG: 1
  GUB cover: 2
  Zero half: 48
  RLT: 71
  BQP: 1

Explored 1 nodes (53697 simplex iterations) in 50.10 seconds (44.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 7

Time limit reached
Best objective 1.700000000000e+01, best bound 4.300000000000e+01, gap 152.9412%

Wrote result file './lp_solutions/grafo11322.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:03:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11322.38.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/grafo11322.38.lp
Reading time = 0.11 seconds
: 67767 rows, 1957 columns, 204925 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 67767 rows, 1957 columns and 204925 nonzeros
Model fingerprint: 0x677f743f
Variable types: 44 continuous, 1913 integer (1913 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 15169 rows and 26 columns
Presolve time: 0.45s
Presolved: 52598 rows, 1931 columns, 159779 nonzeros
Variable types: 0 continuous, 1931 integer (1887 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1931 rows, 54529 columns, 161710 nonzeros


Root relaxation: objective 4.400000e+01, 1778 iterations, 0.30 seconds (0.28 work units)

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

     0     0   44.00000    0  351    7.00000   44.00000   529%     -    3s
H    0     0                       9.0000000   44.00000   389%     -    3s
H    0     0                      11.0000000   44.00000   300%     -    3s
     0     0   44.00000    0  611   11.00000   44.00000   300%     -    9s
H    0     0                      13.0000000   44.00000   238%     -    9s
     0     0   44.00000    0  608   13.00000   44.00000   238%     -    9s
H    0     0                      14.0000000   43.95556   214%     -   28s
H    0     0                      15.0000000   43.95556   193%     -   28s
H    0     0                      16.0000000   43.95556   175%     -   28s
     0     0   43.95556    0  450   16.00000   43.95556   175%     -   29s
     0     0   43.95556    0  496   16.00000   43.95556   175%     -   29s
H    0     0                      17.0000000   43.95556   159%     -   45s
     0     0   43.78889    0  400   17.00000   43.78889   158%     -   45s
     0     0   43.78889    0  432   17.00000   43.78889   158%     -   47s
     0     0          -    0        17.00000   43.78889   158%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 29
  Clique: 10
  MIR: 118
  StrongCG: 1
  GUB cover: 2
  Zero half: 48
  RLT: 71
  BQP: 1

Explored 1 nodes (54427 simplex iterations) in 50.07 seconds (45.37 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 7

Time limit reached
Best objective 1.700000000000e+01, best bound 4.300000000000e+01, gap 152.9412%

Wrote result file './lp_solutions/grafo11322.38.sol'

