
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:40:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7235.38.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/grafo7235.38.lp
Reading time = 0.08 seconds
: 37359 rows, 1576 columns, 113176 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 37359 rows, 1576 columns and 113176 nonzeros
Model fingerprint: 0xda3a6440
Variable types: 38 continuous, 1538 integer (1538 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 2361 rows and 39 columns
Presolve time: 0.35s
Presolved: 34998 rows, 1537 columns, 106402 nonzeros
Variable types: 0 continuous, 1537 integer (1499 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 18126 rows, 18409 columns, 72658 nonzeros


Root relaxation: objective 2.500000e+01, 1095 iterations, 0.33 seconds (0.19 work units)

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

     0     0   25.00000    0  214    3.00000   25.00000   733%     -    1s
H    0     0                       4.0000000   25.00000   525%     -    1s
H    0     0                       6.0000000   25.00000   317%     -    2s
     0     0   25.00000    0  427    6.00000   25.00000   317%     -    4s
     0     0   25.00000    0  395    6.00000   25.00000   317%     -    5s
H    0     0                       7.0000000   25.00000   257%     -    6s
H    0     0                       9.0000000   25.00000   178%     -   15s
H    0     0                      11.0000000   25.00000   127%     -   15s
     0     0   24.33333    0  318   11.00000   24.33333   121%     -   15s
     0     0   24.33333    0  321   11.00000   24.33333   121%     -   16s
     0     0   24.33333    0  287   11.00000   24.33333   121%     -   23s
     0     0   24.33333    0  280   11.00000   24.33333   121%     -   23s
H    0     0                      12.0000000   24.33333   103%     -   32s
H    0     0                      14.0000000   24.00000  71.4%     -   32s
     0     0   24.00000    0  279   14.00000   24.00000  71.4%     -   32s
     0     0   24.00000    0  275   14.00000   24.00000  71.4%     -   32s
     0     0   24.00000    0  326   14.00000   24.00000  71.4%     -   43s
     0     0   24.00000    0  285   14.00000   24.00000  71.4%     -   43s
     0     0   24.00000    0  226   14.00000   24.00000  71.4%     -   47s
     0     0   24.00000    0  173   14.00000   24.00000  71.4%     -   48s

Cutting planes:
  Gomory: 1
  Cover: 1
  MIR: 11
  RLT: 11

Explored 1 nodes (53172 simplex iterations) in 50.02 seconds (27.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 14 12 11 ... -0

Time limit reached
Best objective 1.400000000000e+01, best bound 2.400000000000e+01, gap 71.4286%

Wrote result file './lp_solutions/grafo7235.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:50:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7235.38.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/grafo7235.38.lp
Reading time = 0.08 seconds
: 37359 rows, 1576 columns, 113176 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 37359 rows, 1576 columns and 113176 nonzeros
Model fingerprint: 0xda3a6440
Variable types: 38 continuous, 1538 integer (1538 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 2361 rows and 39 columns
Presolve time: 0.31s
Presolved: 34998 rows, 1537 columns, 106402 nonzeros
Variable types: 0 continuous, 1537 integer (1499 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 18126 rows, 18409 columns, 72658 nonzeros


Root relaxation: objective 2.500000e+01, 1095 iterations, 0.29 seconds (0.19 work units)

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

     0     0   25.00000    0  214    3.00000   25.00000   733%     -    1s
H    0     0                       4.0000000   25.00000   525%     -    1s
H    0     0                       6.0000000   25.00000   317%     -    2s
     0     0   25.00000    0  427    6.00000   25.00000   317%     -    4s
     0     0   25.00000    0  395    6.00000   25.00000   317%     -    4s
H    0     0                       7.0000000   25.00000   257%     -    6s
H    0     0                       9.0000000   25.00000   178%     -   15s
H    0     0                      11.0000000   25.00000   127%     -   15s
     0     0   24.33333    0  318   11.00000   24.33333   121%     -   15s
     0     0   24.33333    0  321   11.00000   24.33333   121%     -   16s
     0     0   24.33333    0  287   11.00000   24.33333   121%     -   24s
     0     0   24.33333    0  280   11.00000   24.33333   121%     -   25s
H    0     0                      12.0000000   24.33333   103%     -   35s
H    0     0                      14.0000000   24.00000  71.4%     -   35s
     0     0   24.00000    0  279   14.00000   24.00000  71.4%     -   35s
     0     0   24.00000    0  275   14.00000   24.00000  71.4%     -   35s
     0     0   24.00000    0  326   14.00000   24.00000  71.4%     -   46s
     0     0   24.00000    0  285   14.00000   24.00000  71.4%     -   46s
     0     0   24.00000    0  372   14.00000   24.00000  71.4%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 17
  MIR: 88
  GUB cover: 5
  Zero half: 15
  RLT: 29

Explored 1 nodes (50390 simplex iterations) in 50.06 seconds (25.24 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 14 12 11 ... -0

Time limit reached
Best objective 1.400000000000e+01, best bound 2.400000000000e+01, gap 71.4286%

Wrote result file './lp_solutions/grafo7235.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:53:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7235.38.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/grafo7235.38.lp
Reading time = 0.07 seconds
: 37359 rows, 1576 columns, 113176 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 37359 rows, 1576 columns and 113176 nonzeros
Model fingerprint: 0xda3a6440
Variable types: 38 continuous, 1538 integer (1538 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 2361 rows and 39 columns
Presolve time: 0.28s
Presolved: 34998 rows, 1537 columns, 106402 nonzeros
Variable types: 0 continuous, 1537 integer (1499 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 18126 rows, 18409 columns, 72658 nonzeros


Root relaxation: objective 2.500000e+01, 1095 iterations, 0.26 seconds (0.19 work units)

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

     0     0   25.00000    0  214    3.00000   25.00000   733%     -    1s
H    0     0                       4.0000000   25.00000   525%     -    1s
H    0     0                       6.0000000   25.00000   317%     -    1s
     0     0   25.00000    0  427    6.00000   25.00000   317%     -    3s
     0     0   25.00000    0  395    6.00000   25.00000   317%     -    3s
H    0     0                       7.0000000   25.00000   257%     -    5s
H    0     0                       9.0000000   25.00000   178%     -   12s
H    0     0                      11.0000000   25.00000   127%     -   12s
     0     0   24.33333    0  318   11.00000   24.33333   121%     -   12s
     0     0   24.33333    0  321   11.00000   24.33333   121%     -   12s
     0     0   24.33333    0  287   11.00000   24.33333   121%     -   18s
     0     0   24.33333    0  280   11.00000   24.33333   121%     -   18s
H    0     0                      12.0000000   24.33333   103%     -   26s
H    0     0                      14.0000000   24.00000  71.4%     -   26s
     0     0   24.00000    0  279   14.00000   24.00000  71.4%     -   26s
     0     0   24.00000    0  275   14.00000   24.00000  71.4%     -   26s
     0     0   24.00000    0  326   14.00000   24.00000  71.4%     -   34s
     0     0   24.00000    0  285   14.00000   24.00000  71.4%     -   35s
     0     0   24.00000    0  226   14.00000   24.00000  71.4%     -   38s
     0     0   24.00000    0  173   14.00000   24.00000  71.4%     -   38s
     0     2   24.00000    0  164   14.00000   24.00000  71.4%     -   41s
    76    92   24.00000   15  213   14.00000   24.00000  71.4%   180   45s
   161   185   21.50000   30  177   14.00000   24.00000  71.4%   172   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 6
  MIR: 85
  GUB cover: 2
  Zero half: 2
  RLT: 43

Explored 185 nodes (83088 simplex iterations) in 50.05 seconds (38.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 14 12 11 ... -0

Time limit reached
Best objective 1.400000000000e+01, best bound 2.400000000000e+01, gap 71.4286%

Wrote result file './lp_solutions/grafo7235.38.sol'

