
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:32:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3053.42.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/grafo3053.42.lp
Reading time = 0.10 seconds
: 46404 rows, 1819 columns, 140446 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 46404 rows, 1819 columns and 140446 nonzeros
Model fingerprint: 0xb7186c1e
Variable types: 40 continuous, 1779 integer (1779 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 -0.0000000
Presolve removed 2373 rows and 0 columns
Presolve time: 0.47s
Presolved: 44031 rows, 1819 columns, 133573 nonzeros
Variable types: 0 continuous, 1819 integer (1779 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 22671 rows, 23179 columns, 90853 nonzeros


Root relaxation: objective 2.600000e+01, 2837 iterations, 1.80 seconds (1.00 work units)
Total elapsed time = 5.15s (DegenMoves)

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

     0     0   26.00000    0  455    4.00000   26.00000   550%     -    6s
H    0     0                       7.0000000   26.00000   271%     -    6s
H    0     0                       8.0000000   26.00000   225%     -    6s
H    0     0                       9.0000000   26.00000   189%     -   13s
     0     0   26.00000    0  612    9.00000   26.00000   189%     -   13s
     0     0   26.00000    0  598    9.00000   26.00000   189%     -   13s
H    0     0                      10.0000000   26.00000   160%     -   40s
     0     0   26.00000    0  440   10.00000   26.00000   160%     -   41s
     0     0   26.00000    0  418   10.00000   26.00000   160%     -   42s
     0     0   26.00000    0  631   10.00000   26.00000   160%     -   50s

Cutting planes:
  Gomory: 4
  Lift-and-project: 1
  Cover: 12
  MIR: 61
  StrongCG: 1
  Zero half: 21
  RLT: 45

Explored 1 nodes (41514 simplex iterations) in 50.08 seconds (30.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 2.600000000000e+01, gap 160.0000%

Wrote result file './lp_solutions/grafo3053.42.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:03:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3053.42.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/grafo3053.42.lp
Reading time = 0.09 seconds
: 46404 rows, 1819 columns, 140446 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 46404 rows, 1819 columns and 140446 nonzeros
Model fingerprint: 0xb7186c1e
Variable types: 40 continuous, 1779 integer (1779 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 -0.0000000
Presolve removed 2373 rows and 0 columns
Presolve time: 0.34s
Presolved: 44031 rows, 1819 columns, 133573 nonzeros
Variable types: 0 continuous, 1819 integer (1779 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 22671 rows, 23179 columns, 90853 nonzeros


Root relaxation: objective 2.600000e+01, 2837 iterations, 1.49 seconds (1.00 work units)
Total elapsed time = 5.88s (DegenMoves)

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

     0     0   26.00000    0  455    4.00000   26.00000   550%     -    6s
H    0     0                       7.0000000   26.00000   271%     -    6s
H    0     0                       8.0000000   26.00000   225%     -    6s
H    0     0                       9.0000000   26.00000   189%     -   12s
     0     0   26.00000    0  612    9.00000   26.00000   189%     -   12s
     0     0   26.00000    0  598    9.00000   26.00000   189%     -   12s
H    0     0                      10.0000000   26.00000   160%     -   43s
     0     0   26.00000    0  440   10.00000   26.00000   160%     -   44s
     0     0   26.00000    0  418   10.00000   26.00000   160%     -   45s
     0     0          -    0        10.00000   26.00000   160%     -   50s

Cutting planes:
  Gomory: 4
  Lift-and-project: 1
  Cover: 12
  MIR: 61
  StrongCG: 1
  Zero half: 21
  RLT: 45

Explored 1 nodes (38632 simplex iterations) in 50.08 seconds (28.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 2.600000000000e+01, gap 160.0000%

Wrote result file './lp_solutions/grafo3053.42.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:06:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3053.42.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/grafo3053.42.lp
Reading time = 0.08 seconds
: 46404 rows, 1819 columns, 140446 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 46404 rows, 1819 columns and 140446 nonzeros
Model fingerprint: 0xb7186c1e
Variable types: 40 continuous, 1779 integer (1779 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 -0.0000000
Presolve removed 2373 rows and 0 columns
Presolve time: 0.30s
Presolved: 44031 rows, 1819 columns, 133573 nonzeros
Variable types: 0 continuous, 1819 integer (1779 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 22671 rows, 23179 columns, 90853 nonzeros


Root relaxation: objective 2.600000e+01, 2837 iterations, 1.32 seconds (1.00 work units)
Total elapsed time = 5.17s (DegenMoves)

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

     0     0   26.00000    0  455    4.00000   26.00000   550%     -    5s
H    0     0                       7.0000000   26.00000   271%     -    5s
H    0     0                       8.0000000   26.00000   225%     -    5s
H    0     0                       9.0000000   26.00000   189%     -   10s
     0     0   26.00000    0  612    9.00000   26.00000   189%     -   10s
     0     0   26.00000    0  598    9.00000   26.00000   189%     -   10s
H    0     0                      10.0000000   26.00000   160%     -   35s
     0     0   26.00000    0  440   10.00000   26.00000   160%     -   35s
     0     0   26.00000    0  418   10.00000   26.00000   160%     -   36s
H    0     0                      11.0000000   26.00000   136%     -   49s
     0     0   26.00000    0  496   11.00000   26.00000   136%     -   49s
     0     0   26.00000    0  438   11.00000   26.00000   136%     -   49s
     0     0          -    0        11.00000   26.00000   136%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 22
  MIR: 83
  StrongCG: 1
  Zero half: 20
  RLT: 40

Explored 1 nodes (49891 simplex iterations) in 50.06 seconds (36.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... -0

Time limit reached
Best objective 1.100000000000e+01, best bound 2.600000000000e+01, gap 136.3636%

Wrote result file './lp_solutions/grafo3053.42.sol'

