
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:39:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11629.36.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/grafo11629.36.lp
Reading time = 0.10 seconds
: 50962 rows, 1674 columns, 154181 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 50962 rows, 1674 columns and 154181 nonzeros
Model fingerprint: 0xc5ce620d
Variable types: 40 continuous, 1634 integer (1634 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 1.0000000
Presolve removed 10085 rows and 25 columns
Presolve time: 0.46s
Presolved: 40877 rows, 1649 columns, 124285 nonzeros
Variable types: 0 continuous, 1649 integer (1609 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 23857 rows, 18669 columns, 90245 nonzeros


Root relaxation: objective 3.900000e+01, 1129 iterations, 0.46 seconds (0.24 work units)

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

     0     0   39.00000    0  274    6.00000   39.00000   550%     -    1s
H    0     0                       8.0000000   39.00000   387%     -    1s
H    0     0                      10.0000000   39.00000   290%     -    2s
     0     0   39.00000    0  513   10.00000   39.00000   290%     -    5s
H    0     0                      12.0000000   39.00000   225%     -    5s
     0     0   39.00000    0  512   12.00000   39.00000   225%     -    5s
H    0     0                      13.0000000   39.00000   200%     -   24s
H    0     0                      14.0000000   39.00000   179%     -   24s
     0     0   38.84615    0  478   14.00000   38.84615   177%     -   24s
     0     0   38.84615    0  433   14.00000   38.84615   177%     -   26s
H    0     0                      15.0000000   38.84615   159%     -   45s
H    0     0                      16.0000000   38.84615   143%     -   45s
H    0     0                      17.0000000   38.84615   129%     -   45s
     0     0   38.83333    0  361   17.00000   38.83333   128%     -   45s
     0     0   38.83333    0  379   17.00000   38.83333   128%     -   47s
     0     0          -    0        17.00000   38.83333   128%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 20
  Clique: 6
  MIR: 124
  StrongCG: 2
  GUB cover: 1
  Zero half: 29
  RLT: 53

Explored 1 nodes (39518 simplex iterations) in 50.08 seconds (29.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 17 16 15 ... 1

Time limit reached
Best objective 1.700000000000e+01, best bound 3.800000000000e+01, gap 123.5294%

Wrote result file './lp_solutions/grafo11629.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:08:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11629.36.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/grafo11629.36.lp
Reading time = 0.08 seconds
: 50962 rows, 1674 columns, 154181 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 50962 rows, 1674 columns and 154181 nonzeros
Model fingerprint: 0xc5ce620d
Variable types: 40 continuous, 1634 integer (1634 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 1.0000000
Presolve removed 10085 rows and 25 columns
Presolve time: 0.35s
Presolved: 40877 rows, 1649 columns, 124285 nonzeros
Variable types: 0 continuous, 1649 integer (1609 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 23857 rows, 18669 columns, 90245 nonzeros


Root relaxation: objective 3.900000e+01, 1129 iterations, 0.29 seconds (0.24 work units)

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

     0     0   39.00000    0  274    6.00000   39.00000   550%     -    1s
H    0     0                       8.0000000   39.00000   387%     -    1s
H    0     0                      10.0000000   39.00000   290%     -    1s
     0     0   39.00000    0  513   10.00000   39.00000   290%     -    3s
H    0     0                      12.0000000   39.00000   225%     -    3s
     0     0   39.00000    0  512   12.00000   39.00000   225%     -    3s
H    0     0                      13.0000000   39.00000   200%     -   17s
H    0     0                      14.0000000   39.00000   179%     -   17s
     0     0   38.84615    0  478   14.00000   38.84615   177%     -   17s
     0     0   38.84615    0  433   14.00000   38.84615   177%     -   18s
H    0     0                      15.0000000   38.84615   159%     -   31s
H    0     0                      16.0000000   38.84615   143%     -   31s
H    0     0                      17.0000000   38.84615   129%     -   31s
     0     0   38.83333    0  361   17.00000   38.83333   128%     -   31s
     0     0   38.83333    0  379   17.00000   38.83333   128%     -   32s
     0     0   38.83333    0  384   17.00000   38.83333   128%     -   42s
     0     0   38.83333    0  377   17.00000   38.83333   128%     -   42s
     0     0   38.83333    0  416   17.00000   38.83333   128%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 24
  Clique: 3
  MIR: 165
  StrongCG: 2
  GUB cover: 1
  Zero half: 44
  RLT: 58

Explored 1 nodes (60382 simplex iterations) in 50.04 seconds (43.56 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 17 16 15 ... 1

Time limit reached
Best objective 1.700000000000e+01, best bound 3.800000000000e+01, gap 123.5294%

Wrote result file './lp_solutions/grafo11629.36.sol'

