
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:46:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11284.37.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/grafo11284.37.lp
Reading time = 0.11 seconds
: 65594 rows, 1932 columns, 198409 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 65594 rows, 1932 columns and 198409 nonzeros
Model fingerprint: 0xf875dccd
Variable types: 44 continuous, 1888 integer (1888 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 14465 rows and 22 columns
Presolve time: 0.47s
Presolved: 51129 rows, 1910 columns, 155405 nonzeros
Variable types: 0 continuous, 1910 integer (1866 binary)
Root relaxation presolved: 1910 rows, 53039 columns, 157315 nonzeros


Root relaxation: objective 4.700000e+01, 1417 iterations, 0.28 seconds (0.23 work units)

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

     0     0   47.00000    0  323          -   47.00000      -     -    2s
H    0     0                      10.0000000   47.00000   370%     -    3s
H    0     0                      12.0000000   47.00000   292%     -    3s
H    0     0                      14.0000000   47.00000   236%     -    3s
     0     0   47.00000    0  639   14.00000   47.00000   236%     -    7s
H    0     0                      16.0000000   47.00000   194%     -    7s
     0     0   47.00000    0  649   16.00000   47.00000   194%     -    8s
H    0     0                      17.0000000   47.00000   176%     -   25s
H    0     0                      18.0000000   47.00000   161%     -   25s
     0     0   46.00000    0  487   18.00000   46.00000   156%     -   25s
     0     0   46.00000    0  484   18.00000   46.00000   156%     -   25s
     0     0   46.00000    0  507   18.00000   46.00000   156%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 38
  Clique: 6
  MIR: 210
  StrongCG: 3
  GUB cover: 3
  Zero half: 84
  RLT: 63

Explored 1 nodes (47677 simplex iterations) in 50.07 seconds (41.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 18 17 16 ... 10

Time limit reached
Best objective 1.800000000000e+01, best bound 4.600000000000e+01, gap 155.5556%

Wrote result file './lp_solutions/grafo11284.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:43:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11284.37.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/grafo11284.37.lp
Reading time = 0.16 seconds
: 65594 rows, 1932 columns, 198409 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 65594 rows, 1932 columns and 198409 nonzeros
Model fingerprint: 0xf875dccd
Variable types: 44 continuous, 1888 integer (1888 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 14465 rows and 22 columns
Presolve time: 0.66s
Presolved: 51129 rows, 1910 columns, 155405 nonzeros
Variable types: 0 continuous, 1910 integer (1866 binary)
Root relaxation presolved: 1910 rows, 53039 columns, 157315 nonzeros


Root relaxation: objective 4.700000e+01, 1417 iterations, 0.38 seconds (0.23 work units)

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

     0     0   47.00000    0  323          -   47.00000      -     -    3s
H    0     0                      10.0000000   47.00000   370%     -    5s
H    0     0                      12.0000000   47.00000   292%     -    5s
H    0     0                      14.0000000   47.00000   236%     -    5s
     0     0   47.00000    0  639   14.00000   47.00000   236%     -   10s
H    0     0                      16.0000000   47.00000   194%     -   10s
     0     0   47.00000    0  649   16.00000   47.00000   194%     -   12s
H    0     0                      17.0000000   47.00000   176%     -   32s
H    0     0                      18.0000000   47.00000   161%     -   32s
     0     0   46.00000    0  487   18.00000   46.00000   156%     -   32s
     0     0   46.00000    0  484   18.00000   46.00000   156%     -   32s
     0     0   46.00000    0  734   18.00000   46.00000   156%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 38
  Clique: 6
  MIR: 210
  StrongCG: 3
  GUB cover: 3
  Zero half: 84
  RLT: 63

Explored 1 nodes (35548 simplex iterations) in 50.10 seconds (29.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 18 17 16 ... 10

Time limit reached
Best objective 1.800000000000e+01, best bound 4.600000000000e+01, gap 155.5556%

Wrote result file './lp_solutions/grafo11284.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:07:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11284.37.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/grafo11284.37.lp
Reading time = 0.11 seconds
: 65594 rows, 1932 columns, 198409 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 65594 rows, 1932 columns and 198409 nonzeros
Model fingerprint: 0xf875dccd
Variable types: 44 continuous, 1888 integer (1888 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 14465 rows and 22 columns
Presolve time: 0.45s
Presolved: 51129 rows, 1910 columns, 155405 nonzeros
Variable types: 0 continuous, 1910 integer (1866 binary)
Root relaxation presolved: 1910 rows, 53039 columns, 157315 nonzeros


Root relaxation: objective 4.700000e+01, 1417 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   47.00000    0  323          -   47.00000      -     -    2s
H    0     0                      10.0000000   47.00000   370%     -    3s
H    0     0                      12.0000000   47.00000   292%     -    3s
H    0     0                      14.0000000   47.00000   236%     -    3s
     0     0   47.00000    0  639   14.00000   47.00000   236%     -    7s
H    0     0                      16.0000000   47.00000   194%     -    7s
     0     0   47.00000    0  649   16.00000   47.00000   194%     -    8s
H    0     0                      17.0000000   47.00000   176%     -   22s
H    0     0                      18.0000000   47.00000   161%     -   22s
     0     0   46.00000    0  487   18.00000   46.00000   156%     -   22s
     0     0   46.00000    0  484   18.00000   46.00000   156%     -   23s
     0     0   46.00000    0  480   18.00000   46.00000   156%     -   46s
     0     0          -    0        18.00000   46.00000   156%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 1
  Clique: 5
  MIR: 92
  StrongCG: 2
  GUB cover: 2
  Zero half: 14
  RLT: 46

Explored 1 nodes (53307 simplex iterations) in 50.05 seconds (46.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 18 17 16 ... 10

Time limit reached
Best objective 1.800000000000e+01, best bound 4.600000000000e+01, gap 155.5556%

Wrote result file './lp_solutions/grafo11284.37.sol'

