
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:47:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10188.38.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/grafo10188.38.lp
Reading time = 0.28 seconds
: 59700 rows, 1849 columns, 180556 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 59700 rows, 1849 columns and 180556 nonzeros
Model fingerprint: 0x3e58d159
Variable types: 41 continuous, 1808 integer (1808 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 13510 rows and 51 columns
Presolve time: 1.05s
Presolved: 46190 rows, 1798 columns, 140442 nonzeros
Variable types: 0 continuous, 1798 integer (1757 binary)
Root relaxation presolved: 27094 rows, 20894 columns, 102250 nonzeros


Root relaxation: objective 3.800000e+01, 833 iterations, 0.71 seconds (0.21 work units)

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

     0     0   38.00000    0  263          -   38.00000      -     -    2s
H    0     0                      11.0000000   38.00000   245%     -    3s
H    0     0                      12.0000000   38.00000   217%     -    4s
H    0     0                      13.0000000   38.00000   192%     -    4s
     0     0   38.00000    0  513   13.00000   38.00000   192%     -    9s
     0     0   37.66667    0  449   13.00000   37.66667   190%     -   14s
     0     0   37.00000    0  488   13.00000   37.00000   185%     -   50s

Cutting planes:
  Gomory: 10
  Lift-and-project: 20
  Cover: 24
  Clique: 7
  MIR: 96
  StrongCG: 1
  GUB cover: 1
  Zero half: 37
  RLT: 50
  BQP: 1

Explored 1 nodes (7465 simplex iterations) in 50.54 seconds (5.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 12 11 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.700000000000e+01, gap 184.6154%

Wrote result file './lp_solutions/grafo10188.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:40:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10188.38.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/grafo10188.38.lp
Reading time = 0.07 seconds
: 59700 rows, 1849 columns, 180556 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 59700 rows, 1849 columns and 180556 nonzeros
Model fingerprint: 0x3e58d159
Variable types: 41 continuous, 1808 integer (1808 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 13510 rows and 51 columns
Presolve time: 0.32s
Presolved: 46190 rows, 1798 columns, 140442 nonzeros
Variable types: 0 continuous, 1798 integer (1757 binary)
Root relaxation presolved: 27094 rows, 20894 columns, 102250 nonzeros


Root relaxation: objective 3.800000e+01, 833 iterations, 0.20 seconds (0.21 work units)

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

     0     0   38.00000    0  263          -   38.00000      -     -    0s
H    0     0                      11.0000000   38.00000   245%     -    0s
H    0     0                      12.0000000   38.00000   217%     -    1s
H    0     0                      13.0000000   38.00000   192%     -    1s
     0     0   38.00000    0  513   13.00000   38.00000   192%     -    2s
     0     0   37.66667    0  449   13.00000   37.66667   190%     -    3s
H    0     0                      14.0000000   37.00000   164%     -   10s
H    0     0                      15.0000000   37.00000   147%     -   10s
     0     0   37.00000    0  488   15.00000   37.00000   147%     -   10s
     0     0   37.00000    0  480   15.00000   37.00000   147%     -   11s
H    0     0                      16.0000000   37.00000   131%     -   15s
H    0     0                      17.0000000   37.00000   118%     -   15s
     0     0   37.00000    0  384   17.00000   37.00000   118%     -   15s
     0     0   37.00000    0  383   17.00000   37.00000   118%     -   16s
H    0     0                      18.0000000   37.00000   106%     -   34s
     0     0   37.00000    0  494   18.00000   37.00000   106%     -   34s
     0     0   37.00000    0  509   18.00000   37.00000   106%     -   35s
     0     0   37.00000    0  414   18.00000   37.00000   106%     -   48s
     0     0   37.00000    0  457   18.00000   37.00000   106%     -   49s
     0     0          -    0        18.00000   37.00000   106%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 22
  Clique: 3
  MIR: 154
  Zero half: 56
  RLT: 51
  BQP: 1
  PSD: 1

Explored 1 nodes (67928 simplex iterations) in 50.03 seconds (57.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 18 17 16 ... 11

Time limit reached
Best objective 1.800000000000e+01, best bound 3.700000000000e+01, gap 105.5556%

Wrote result file './lp_solutions/grafo10188.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:23:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10188.38.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/grafo10188.38.lp
Reading time = 0.10 seconds
: 59700 rows, 1849 columns, 180556 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 59700 rows, 1849 columns and 180556 nonzeros
Model fingerprint: 0x3e58d159
Variable types: 41 continuous, 1808 integer (1808 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 13510 rows and 51 columns
Presolve time: 0.43s
Presolved: 46190 rows, 1798 columns, 140442 nonzeros
Variable types: 0 continuous, 1798 integer (1757 binary)
Root relaxation presolved: 27094 rows, 20894 columns, 102250 nonzeros


Root relaxation: objective 3.800000e+01, 833 iterations, 0.27 seconds (0.21 work units)

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

     0     0   38.00000    0  263          -   38.00000      -     -    1s
H    0     0                      11.0000000   38.00000   245%     -    1s
H    0     0                      12.0000000   38.00000   217%     -    1s
H    0     0                      13.0000000   38.00000   192%     -    1s
     0     0   38.00000    0  513   13.00000   38.00000   192%     -    3s
     0     0   37.66667    0  449   13.00000   37.66667   190%     -    4s
H    0     0                      14.0000000   37.00000   164%     -   14s
H    0     0                      15.0000000   37.00000   147%     -   14s
     0     0   37.00000    0  488   15.00000   37.00000   147%     -   14s
     0     0   37.00000    0  480   15.00000   37.00000   147%     -   14s
H    0     0                      16.0000000   37.00000   131%     -   20s
H    0     0                      17.0000000   37.00000   118%     -   20s
     0     0   37.00000    0  384   17.00000   37.00000   118%     -   20s
     0     0   37.00000    0  383   17.00000   37.00000   118%     -   21s
H    0     0                      18.0000000   37.00000   106%     -   46s
     0     0   37.00000    0  494   18.00000   37.00000   106%     -   46s
     0     0   37.00000    0  509   18.00000   37.00000   106%     -   48s
     0     0          -    0        18.00000   37.00000   106%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 12
  Clique: 6
  MIR: 97
  StrongCG: 1
  GUB cover: 2
  Zero half: 31
  RLT: 47

Explored 1 nodes (49958 simplex iterations) in 50.06 seconds (41.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 18 17 16 ... 11

Time limit reached
Best objective 1.800000000000e+01, best bound 3.700000000000e+01, gap 105.5556%

Wrote result file './lp_solutions/grafo10188.38.sol'

