
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:44:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11361.38.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/grafo11361.38.lp
Reading time = 0.09 seconds
: 72472 rows, 1746 columns, 218701 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 72472 rows, 1746 columns and 218701 nonzeros
Model fingerprint: 0xb2ad3833
Variable types: 39 continuous, 1707 integer (1707 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 4.0000000
Presolve removed 23235 rows and 25 columns
Presolve time: 0.40s
Presolved: 49237 rows, 1721 columns, 149408 nonzeros
Variable types: 0 continuous, 1721 integer (1682 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1718 rows, 50955 columns, 151129 nonzeros


Root relaxation: objective 3.700000e+01, 1323 iterations, 0.18 seconds (0.23 work units)

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

     0     0   37.00000    0  293    8.00000   37.00000   362%     -    1s
H    0     0                      11.0000000   37.00000   236%     -    2s
     0     0   37.00000    0  549   11.00000   37.00000   236%     -    5s
H    0     0                      12.0000000   37.00000   208%     -    6s
     0     0   37.00000    0  553   12.00000   37.00000   208%     -    6s
H    0     0                      14.0000000   37.00000   164%     -   15s
     0     0   37.00000    0  466   14.00000   37.00000   164%     -   15s
     0     0   37.00000    0  485   14.00000   37.00000   164%     -   16s
H    0     0                      15.0000000   37.00000   147%     -   30s
     0     0   37.00000    0  370   15.00000   37.00000   147%     -   30s
     0     0   37.00000    0  352   15.00000   37.00000   147%     -   31s
     0     0   37.00000    0  481   15.00000   37.00000   147%     -   43s
     0     0   37.00000    0  507   15.00000   37.00000   147%     -   45s
     0     0   37.00000    0  542   15.00000   37.00000   147%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 19
  Clique: 9
  MIR: 116
  StrongCG: 1
  Zero half: 36
  RLT: 76

Explored 1 nodes (60657 simplex iterations) in 50.04 seconds (55.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 12 ... 4

Time limit reached
Best objective 1.500000000000e+01, best bound 3.700000000000e+01, gap 146.6667%

Wrote result file './lp_solutions/grafo11361.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:28:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11361.38.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/grafo11361.38.lp
Reading time = 0.13 seconds
: 72472 rows, 1746 columns, 218701 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 72472 rows, 1746 columns and 218701 nonzeros
Model fingerprint: 0xb2ad3833
Variable types: 39 continuous, 1707 integer (1707 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 4.0000000
Presolve removed 23235 rows and 25 columns
Presolve time: 0.54s
Presolved: 49237 rows, 1721 columns, 149408 nonzeros
Variable types: 0 continuous, 1721 integer (1682 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1718 rows, 50955 columns, 151129 nonzeros


Root relaxation: objective 3.700000e+01, 1323 iterations, 0.26 seconds (0.23 work units)

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

     0     0   37.00000    0  293    8.00000   37.00000   362%     -    2s
H    0     0                      11.0000000   37.00000   236%     -    2s
     0     0   37.00000    0  549   11.00000   37.00000   236%     -    7s
H    0     0                      12.0000000   37.00000   208%     -    7s
     0     0   37.00000    0  553   12.00000   37.00000   208%     -    8s
H    0     0                      14.0000000   37.00000   164%     -   21s
     0     0   37.00000    0  466   14.00000   37.00000   164%     -   21s
     0     0   37.00000    0  485   14.00000   37.00000   164%     -   21s
H    0     0                      15.0000000   37.00000   147%     -   40s
     0     0   37.00000    0  370   15.00000   37.00000   147%     -   40s
     0     0   37.00000    0  352   15.00000   37.00000   147%     -   41s
     0     0   37.00000    0  553   15.00000   37.00000   147%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 23
  Clique: 9
  MIR: 131
  StrongCG: 1
  Zero half: 30
  RLT: 61

Explored 1 nodes (47490 simplex iterations) in 50.07 seconds (42.37 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 12 ... 4

Time limit reached
Best objective 1.500000000000e+01, best bound 3.700000000000e+01, gap 146.6667%

Wrote result file './lp_solutions/grafo11361.38.sol'

