
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:06:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5264.36.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/grafo5264.36.lp
Reading time = 0.07 seconds
: 32544 rows, 1477 columns, 98662 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 32544 rows, 1477 columns and 98662 nonzeros
Model fingerprint: 0x8c4033e9
Variable types: 37 continuous, 1440 integer (1440 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 3.0000000
Presolve removed 1836 rows and 38 columns
Presolve time: 0.29s
Presolved: 30708 rows, 1439 columns, 93448 nonzeros
Variable types: 0 continuous, 1439 integer (1402 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 15798 rows, 16349 columns, 63628 nonzeros


Root relaxation: objective 2.800000e+01, 3765 iterations, 2.24 seconds (1.20 work units)
Total elapsed time = 5.04s (DegenMoves)

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

     0     0   28.00000    0  491    7.00000   28.00000   300%     -    5s
H    0     0                       8.0000000   28.00000   250%     -    5s
H    0     0                       9.0000000   28.00000   211%     -    5s
     0     0   28.00000    0  625    9.00000   28.00000   211%     -   12s
     0     0   28.00000    0  614    9.00000   28.00000   211%     -   12s
     0     0   28.00000    0  290    9.00000   28.00000   211%     -   19s
H    0     0                      10.0000000   28.00000   180%     -   19s
     0     0   28.00000    0  373   10.00000   28.00000   180%     -   20s
     0     0   28.00000    0  300   10.00000   28.00000   180%     -   27s
     0     0   28.00000    0  272   10.00000   28.00000   180%     -   27s
H    0     0                      11.0000000   28.00000   155%     -   32s
     0     0   28.00000    0  402   11.00000   28.00000   155%     -   32s
     0     0   28.00000    0  380   11.00000   28.00000   155%     -   33s
H    0     0                      12.0000000   28.00000   133%     -   37s
     0     0   28.00000    0  293   12.00000   28.00000   133%     -   37s
     0     0   28.00000    0  286   12.00000   28.00000   133%     -   37s
     0     0   28.00000    0  210   12.00000   28.00000   133%     -   40s
     0     0   28.00000    0  217   12.00000   28.00000   133%     -   40s
     0     0   28.00000    0  273   12.00000   28.00000   133%     -   44s
     0     0   28.00000    0  206   12.00000   28.00000   133%     -   44s
     0     0   28.00000    0  350   12.00000   28.00000   133%     -   50s

Cutting planes:
  Cover: 21
  Clique: 1
  MIR: 101
  StrongCG: 1
  GUB cover: 3
  Zero half: 6
  RLT: 41

Explored 1 nodes (62533 simplex iterations) in 50.04 seconds (27.56 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 3

Time limit reached
Best objective 1.200000000000e+01, best bound 2.800000000000e+01, gap 133.3333%

Wrote result file './lp_solutions/grafo5264.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:16:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5264.36.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/grafo5264.36.lp
Reading time = 0.07 seconds
: 32544 rows, 1477 columns, 98662 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 32544 rows, 1477 columns and 98662 nonzeros
Model fingerprint: 0x8c4033e9
Variable types: 37 continuous, 1440 integer (1440 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 3.0000000
Presolve removed 1836 rows and 38 columns
Presolve time: 0.27s
Presolved: 30708 rows, 1439 columns, 93448 nonzeros
Variable types: 0 continuous, 1439 integer (1402 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 15798 rows, 16349 columns, 63628 nonzeros


Root relaxation: objective 2.800000e+01, 3765 iterations, 1.96 seconds (1.20 work units)
Total elapsed time = 5.05s (DegenMoves)

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

     0     0   28.00000    0  491    7.00000   28.00000   300%     -    5s
H    0     0                       8.0000000   28.00000   250%     -    5s
H    0     0                       9.0000000   28.00000   211%     -    5s
     0     0   28.00000    0  625    9.00000   28.00000   211%     -   11s
     0     0   28.00000    0  614    9.00000   28.00000   211%     -   11s
     0     0   28.00000    0  290    9.00000   28.00000   211%     -   18s
H    0     0                      10.0000000   28.00000   180%     -   18s
     0     0   28.00000    0  373   10.00000   28.00000   180%     -   19s
     0     0   28.00000    0  300   10.00000   28.00000   180%     -   26s
     0     0   28.00000    0  272   10.00000   28.00000   180%     -   26s
H    0     0                      11.0000000   28.00000   155%     -   31s
     0     0   28.00000    0  402   11.00000   28.00000   155%     -   31s
     0     0   28.00000    0  380   11.00000   28.00000   155%     -   32s
H    0     0                      12.0000000   28.00000   133%     -   36s
     0     0   28.00000    0  293   12.00000   28.00000   133%     -   36s
     0     0   28.00000    0  286   12.00000   28.00000   133%     -   36s
     0     0   28.00000    0  210   12.00000   28.00000   133%     -   39s
     0     0   28.00000    0  217   12.00000   28.00000   133%     -   39s
     0     0   28.00000    0  273   12.00000   28.00000   133%     -   42s
     0     0   28.00000    0  206   12.00000   28.00000   133%     -   42s
     0     0   28.00000    0  344   12.00000   28.00000   133%     -   50s

Cutting planes:
  Cover: 21
  Clique: 1
  MIR: 101
  StrongCG: 1
  GUB cover: 3
  Zero half: 6
  RLT: 41

Explored 1 nodes (64844 simplex iterations) in 50.04 seconds (28.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 3

Time limit reached
Best objective 1.200000000000e+01, best bound 2.800000000000e+01, gap 133.3333%

Wrote result file './lp_solutions/grafo5264.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:19:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5264.36.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/grafo5264.36.lp
Reading time = 0.07 seconds
: 32544 rows, 1477 columns, 98662 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 32544 rows, 1477 columns and 98662 nonzeros
Model fingerprint: 0x8c4033e9
Variable types: 37 continuous, 1440 integer (1440 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 3.0000000
Presolve removed 1836 rows and 38 columns
Presolve time: 0.24s
Presolved: 30708 rows, 1439 columns, 93448 nonzeros
Variable types: 0 continuous, 1439 integer (1402 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 15798 rows, 16349 columns, 63628 nonzeros


Root relaxation: objective 2.800000e+01, 3765 iterations, 1.85 seconds (1.20 work units)

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

     0     0   28.00000    0  491    7.00000   28.00000   300%     -    4s
H    0     0                       8.0000000   28.00000   250%     -    4s
H    0     0                       9.0000000   28.00000   211%     -    4s
     0     0   28.00000    0  625    9.00000   28.00000   211%     -    9s
     0     0   28.00000    0  614    9.00000   28.00000   211%     -   10s
     0     0   28.00000    0  290    9.00000   28.00000   211%     -   15s
H    0     0                      10.0000000   28.00000   180%     -   15s
     0     0   28.00000    0  373   10.00000   28.00000   180%     -   16s
     0     0   28.00000    0  300   10.00000   28.00000   180%     -   22s
     0     0   28.00000    0  272   10.00000   28.00000   180%     -   22s
H    0     0                      11.0000000   28.00000   155%     -   26s
     0     0   28.00000    0  402   11.00000   28.00000   155%     -   26s
     0     0   28.00000    0  380   11.00000   28.00000   155%     -   27s
H    0     0                      12.0000000   28.00000   133%     -   30s
     0     0   28.00000    0  293   12.00000   28.00000   133%     -   30s
     0     0   28.00000    0  286   12.00000   28.00000   133%     -   30s
     0     0   28.00000    0  210   12.00000   28.00000   133%     -   32s
     0     0   28.00000    0  217   12.00000   28.00000   133%     -   33s
     0     0   28.00000    0  273   12.00000   28.00000   133%     -   35s
     0     0   28.00000    0  206   12.00000   28.00000   133%     -   35s
     0     0   28.00000    0  338   12.00000   28.00000   133%     -   42s
     0     0   28.00000    0  297   12.00000   28.00000   133%     -   43s
     0     2   28.00000    0  270   12.00000   28.00000   133%     -   48s
    42    47   27.33333   10  222   12.00000   28.00000   133%   231   50s

Cutting planes:
  Cover: 5
  Clique: 1
  MIR: 69
  GUB cover: 1
  Zero half: 4
  RLT: 39

Explored 46 nodes (77350 simplex iterations) in 50.03 seconds (37.21 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 3

Time limit reached
Best objective 1.200000000000e+01, best bound 2.800000000000e+01, gap 133.3333%

Wrote result file './lp_solutions/grafo5264.36.sol'

