
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:12:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10020.38.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/grafo10020.38.lp
Reading time = 0.25 seconds
: 61994 rows, 1834 columns, 187384 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 61994 rows, 1834 columns and 187384 nonzeros
Model fingerprint: 0x19af9374
Variable types: 41 continuous, 1793 integer (1793 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 14638 rows and 19 columns
Presolve time: 0.93s
Presolved: 47356 rows, 1815 columns, 143846 nonzeros
Variable types: 0 continuous, 1815 integer (1774 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28260 rows, 20911 columns, 105654 nonzeros


Root relaxation: objective 4.600000e+01, 2272 iterations, 1.77 seconds (0.78 work units)
Total elapsed time = 5.73s (DegenMoves)

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

     0     0   46.00000    0  477    5.00000   46.00000   820%     -    7s
H    0     0                      10.0000000   46.00000   360%     -    7s
H    0     0                      13.0000000   46.00000   254%     -    7s
     0     0   45.00000    0  626   13.00000   45.00000   246%     -   17s
H    0     0                      14.0000000   45.00000   221%     -   18s
     0     0   45.00000    0  632   14.00000   45.00000   221%     -   19s
     0     0   45.00000    0  488   14.00000   45.00000   221%     -   50s

Cutting planes:
  Gomory: 8
  Lift-and-project: 35
  Cover: 9
  Clique: 9
  MIR: 173
  StrongCG: 1
  Zero half: 41
  RLT: 59
  BQP: 2

Explored 1 nodes (25088 simplex iterations) in 50.11 seconds (20.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 10 5 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.500000000000e+01, gap 221.4286%

Wrote result file './lp_solutions/grafo10020.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:34:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10020.38.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/grafo10020.38.lp
Reading time = 0.11 seconds
: 61994 rows, 1834 columns, 187384 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 61994 rows, 1834 columns and 187384 nonzeros
Model fingerprint: 0x19af9374
Variable types: 41 continuous, 1793 integer (1793 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 14638 rows and 19 columns
Presolve time: 0.45s
Presolved: 47356 rows, 1815 columns, 143846 nonzeros
Variable types: 0 continuous, 1815 integer (1774 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28260 rows, 20911 columns, 105654 nonzeros


Root relaxation: objective 4.600000e+01, 2272 iterations, 0.99 seconds (0.78 work units)

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

     0     0   46.00000    0  477    5.00000   46.00000   820%     -    4s
H    0     0                      10.0000000   46.00000   360%     -    4s
H    0     0                      13.0000000   46.00000   254%     -    4s
     0     0   45.00000    0  626   13.00000   45.00000   246%     -   12s
H    0     0                      14.0000000   45.00000   221%     -   12s
     0     0   45.00000    0  632   14.00000   45.00000   221%     -   13s
H    0     0                      15.0000000   45.00000   200%     -   50s
H    0     0                      16.0000000   45.00000   181%     -   50s
     0     0   45.00000    0  488   16.00000   45.00000   181%     -   50s

Cutting planes:
  Gomory: 3
  Clique: 3
  MIR: 11
  Zero half: 1
  RLT: 12

Explored 1 nodes (37496 simplex iterations) in 50.14 seconds (32.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 4.500000000000e+01, gap 181.2500%

Wrote result file './lp_solutions/grafo10020.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 01:46:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10020.38.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/grafo10020.38.lp
Reading time = 0.20 seconds
: 61994 rows, 1834 columns, 187384 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 61994 rows, 1834 columns and 187384 nonzeros
Model fingerprint: 0x19af9374
Variable types: 41 continuous, 1793 integer (1793 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 14638 rows and 19 columns
Presolve time: 0.80s
Presolved: 47356 rows, 1815 columns, 143846 nonzeros
Variable types: 0 continuous, 1815 integer (1774 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28260 rows, 20911 columns, 105654 nonzeros


Root relaxation: objective 4.600000e+01, 2272 iterations, 1.61 seconds (0.78 work units)
Total elapsed time = 5.12s (DegenMoves)

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

     0     0   46.00000    0  477    5.00000   46.00000   820%     -    6s
H    0     0                      10.0000000   46.00000   360%     -    6s
H    0     0                      13.0000000   46.00000   254%     -    6s
     0     0   45.00000    0  626   13.00000   45.00000   246%     -   17s
H    0     0                      14.0000000   45.00000   221%     -   17s
     0     0   45.00000    0  632   14.00000   45.00000   221%     -   18s
     0     0   45.00000    0  488   14.00000   45.00000   221%     -   50s

Cutting planes:
  Gomory: 8
  Lift-and-project: 35
  Cover: 9
  Clique: 9
  MIR: 173
  StrongCG: 1
  Zero half: 41
  RLT: 59
  BQP: 2

Explored 1 nodes (32306 simplex iterations) in 50.09 seconds (27.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 10 5 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.500000000000e+01, gap 221.4286%

Wrote result file './lp_solutions/grafo10020.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:02:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10020.38.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/grafo10020.38.lp
Reading time = 0.10 seconds
: 61994 rows, 1834 columns, 187384 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 61994 rows, 1834 columns and 187384 nonzeros
Model fingerprint: 0x19af9374
Variable types: 41 continuous, 1793 integer (1793 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 14638 rows and 19 columns
Presolve time: 0.43s
Presolved: 47356 rows, 1815 columns, 143846 nonzeros
Variable types: 0 continuous, 1815 integer (1774 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28260 rows, 20911 columns, 105654 nonzeros


Root relaxation: objective 4.600000e+01, 2272 iterations, 0.84 seconds (0.78 work units)

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

     0     0   46.00000    0  477    5.00000   46.00000   820%     -    3s
H    0     0                      10.0000000   46.00000   360%     -    3s
H    0     0                      13.0000000   46.00000   254%     -    3s
     0     0   45.00000    0  626   13.00000   45.00000   246%     -    9s
H    0     0                      14.0000000   45.00000   221%     -    9s
     0     0   45.00000    0  632   14.00000   45.00000   221%     -    9s
H    0     0                      15.0000000   45.00000   200%     -   35s
H    0     0                      16.0000000   45.00000   181%     -   35s
     0     0   45.00000    0  488   16.00000   45.00000   181%     -   35s
     0     0   45.00000    0  479   16.00000   45.00000   181%     -   35s
     0     0   45.00000    0  586   16.00000   45.00000   181%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 35
  Clique: 4
  MIR: 176
  StrongCG: 1
  GUB cover: 3
  Zero half: 41
  RLT: 59
  BQP: 2

Explored 1 nodes (55522 simplex iterations) in 50.06 seconds (47.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 4.500000000000e+01, gap 181.2500%

Wrote result file './lp_solutions/grafo10020.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 01:58:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10020.38.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/grafo10020.38.lp
Reading time = 0.10 seconds
: 61994 rows, 1834 columns, 187384 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 61994 rows, 1834 columns and 187384 nonzeros
Model fingerprint: 0x19af9374
Variable types: 41 continuous, 1793 integer (1793 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 14638 rows and 19 columns
Presolve time: 0.41s
Presolved: 47356 rows, 1815 columns, 143846 nonzeros
Variable types: 0 continuous, 1815 integer (1774 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 28260 rows, 20911 columns, 105654 nonzeros


Root relaxation: objective 4.600000e+01, 2272 iterations, 0.85 seconds (0.78 work units)

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

     0     0   46.00000    0  477    5.00000   46.00000   820%     -    3s
H    0     0                      10.0000000   46.00000   360%     -    3s
H    0     0                      13.0000000   46.00000   254%     -    3s
     0     0   45.00000    0  626   13.00000   45.00000   246%     -    9s
H    0     0                      14.0000000   45.00000   221%     -    9s
     0     0   45.00000    0  632   14.00000   45.00000   221%     -   10s
H    0     0                      15.0000000   45.00000   200%     -   36s
H    0     0                      16.0000000   45.00000   181%     -   36s
     0     0   45.00000    0  488   16.00000   45.00000   181%     -   36s
     0     0   45.00000    0  479   16.00000   45.00000   181%     -   36s
     0     0   45.00000    0  618   16.00000   45.00000   181%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 35
  Clique: 4
  MIR: 176
  StrongCG: 1
  GUB cover: 3
  Zero half: 41
  RLT: 59
  BQP: 2

Explored 1 nodes (52956 simplex iterations) in 50.06 seconds (45.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 4.500000000000e+01, gap 181.2500%

Wrote result file './lp_solutions/grafo10020.38.sol'

