
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:28:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11030.36.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/grafo11030.36.lp
Reading time = 0.13 seconds
: 76918 rows, 1747 columns, 232161 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 76918 rows, 1747 columns and 232161 nonzeros
Model fingerprint: 0x79be1dac
Variable types: 41 continuous, 1706 integer (1706 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 23278 rows and 28 columns
Presolve time: 0.67s
Presolved: 53640 rows, 1719 columns, 162655 nonzeros
Variable types: 0 continuous, 1719 integer (1678 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1719 rows, 55359 columns, 164374 nonzeros


Root relaxation: objective 3.800000e+01, 1241 iterations, 0.24 seconds (0.23 work units)

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

     0     0   38.00000    0  234    4.00000   38.00000   850%     -    2s
H    0     0                       8.0000000   38.00000   375%     -    2s
H    0     0                       9.0000000   38.00000   322%     -    2s
H    0     0                      10.0000000   38.00000   280%     -    3s
     0     0   38.00000    0  498   10.00000   38.00000   280%     -    5s
     0     0   38.00000    0  437   10.00000   38.00000   280%     -    6s
     0     0   38.00000    0  243   10.00000   38.00000   280%     -   15s
     0     0   38.00000    0  390   10.00000   38.00000   280%     -   15s
H    0     0                      11.0000000   38.00000   245%     -   25s
H    0     0                      12.0000000   38.00000   217%     -   25s
H    0     0                      14.0000000   38.00000   171%     -   25s
H    0     0                      15.0000000   38.00000   153%     -   25s
     0     0   38.00000    0  425   15.00000   38.00000   153%     -   25s
     0     0   38.00000    0  419   15.00000   38.00000   153%     -   26s
H    0     0                      16.0000000   38.00000   137%     -   44s
H    0     0                      18.0000000   38.00000   111%     -   44s
     0     0   38.00000    0  390   18.00000   38.00000   111%     -   44s
     0     0   38.00000    0  403   18.00000   38.00000   111%     -   45s
     0     0   38.00000    0  593   18.00000   38.00000   111%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 26
  Clique: 10
  MIR: 109
  StrongCG: 1
  Zero half: 83
  RLT: 47
  BQP: 1

Explored 1 nodes (46168 simplex iterations) in 50.05 seconds (44.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 18 16 15 ... 4

Time limit reached
Best objective 1.800000000000e+01, best bound 3.800000000000e+01, gap 111.1111%

Wrote result file './lp_solutions/grafo11030.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:28:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11030.36.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/grafo11030.36.lp
Reading time = 0.15 seconds
: 76918 rows, 1747 columns, 232161 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 76918 rows, 1747 columns and 232161 nonzeros
Model fingerprint: 0x79be1dac
Variable types: 41 continuous, 1706 integer (1706 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 23278 rows and 28 columns
Presolve time: 0.89s
Presolved: 53640 rows, 1719 columns, 162655 nonzeros
Variable types: 0 continuous, 1719 integer (1678 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1719 rows, 55359 columns, 164374 nonzeros


Root relaxation: objective 3.800000e+01, 1241 iterations, 0.39 seconds (0.23 work units)

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

     0     0   38.00000    0  234    4.00000   38.00000   850%     -    3s
H    0     0                       8.0000000   38.00000   375%     -    3s
H    0     0                       9.0000000   38.00000   322%     -    3s
H    0     0                      10.0000000   38.00000   280%     -    4s
     0     0   38.00000    0  498   10.00000   38.00000   280%     -    8s
     0     0   38.00000    0  437   10.00000   38.00000   280%     -    9s
     0     0   38.00000    0  243   10.00000   38.00000   280%     -   20s
     0     0   38.00000    0  390   10.00000   38.00000   280%     -   22s
H    0     0                      11.0000000   38.00000   245%     -   34s
H    0     0                      12.0000000   38.00000   217%     -   34s
H    0     0                      14.0000000   38.00000   171%     -   34s
H    0     0                      15.0000000   38.00000   153%     -   34s
     0     0   38.00000    0  425   15.00000   38.00000   153%     -   34s
     0     0   38.00000    0  419   15.00000   38.00000   153%     -   36s
     0     0   38.00000    0  529   15.00000   38.00000   153%     -   50s

Cutting planes:
  Cover: 29
  Clique: 20
  MIR: 96
  GUB cover: 1
  Zero half: 50
  RLT: 48
  BQP: 2

Explored 1 nodes (35693 simplex iterations) in 50.09 seconds (30.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 15 14 12 ... 4

Time limit reached
Best objective 1.500000000000e+01, best bound 3.800000000000e+01, gap 153.3333%

Wrote result file './lp_solutions/grafo11030.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:48:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11030.36.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/grafo11030.36.lp
Reading time = 0.13 seconds
: 76918 rows, 1747 columns, 232161 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 76918 rows, 1747 columns and 232161 nonzeros
Model fingerprint: 0x79be1dac
Variable types: 41 continuous, 1706 integer (1706 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 23278 rows and 28 columns
Presolve time: 0.56s
Presolved: 53640 rows, 1719 columns, 162655 nonzeros
Variable types: 0 continuous, 1719 integer (1678 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1719 rows, 55359 columns, 164374 nonzeros


Root relaxation: objective 3.800000e+01, 1241 iterations, 0.25 seconds (0.23 work units)

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

     0     0   38.00000    0  234    4.00000   38.00000   850%     -    2s
H    0     0                       8.0000000   38.00000   375%     -    2s
H    0     0                       9.0000000   38.00000   322%     -    2s
H    0     0                      10.0000000   38.00000   280%     -    2s
     0     0   38.00000    0  498   10.00000   38.00000   280%     -    5s
     0     0   38.00000    0  437   10.00000   38.00000   280%     -    5s
     0     0   38.00000    0  243   10.00000   38.00000   280%     -   13s
     0     0   38.00000    0  390   10.00000   38.00000   280%     -   14s
H    0     0                      11.0000000   38.00000   245%     -   23s
H    0     0                      12.0000000   38.00000   217%     -   23s
H    0     0                      14.0000000   38.00000   171%     -   23s
H    0     0                      15.0000000   38.00000   153%     -   23s
     0     0   38.00000    0  425   15.00000   38.00000   153%     -   23s
     0     0   38.00000    0  419   15.00000   38.00000   153%     -   24s
H    0     0                      16.0000000   38.00000   137%     -   40s
H    0     0                      18.0000000   38.00000   111%     -   40s
     0     0   38.00000    0  390   18.00000   38.00000   111%     -   40s
     0     0   38.00000    0  403   18.00000   38.00000   111%     -   41s
     0     0   38.00000    0  593   18.00000   38.00000   111%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 26
  Clique: 10
  MIR: 109
  StrongCG: 1
  Zero half: 83
  RLT: 47
  BQP: 1

Explored 1 nodes (50487 simplex iterations) in 50.08 seconds (48.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 18 16 15 ... 4

Time limit reached
Best objective 1.800000000000e+01, best bound 3.800000000000e+01, gap 111.1111%

Wrote result file './lp_solutions/grafo11030.36.sol'

