
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:03:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11467.37.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/grafo11467.37.lp
Reading time = 0.14 seconds
: 52679 rows, 1787 columns, 159472 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 52679 rows, 1787 columns and 159472 nonzeros
Model fingerprint: 0x8ff62fec
Variable types: 42 continuous, 1745 integer (1745 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 8415 rows and 33 columns
Presolve time: 0.49s
Presolved: 44264 rows, 1754 columns, 134595 nonzeros
Variable types: 0 continuous, 1754 integer (1712 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25014 rows, 21004 columns, 96095 nonzeros


Root relaxation: objective 3.700000e+01, 1699 iterations, 0.78 seconds (0.36 work units)

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

     0     0   37.00000    0  310    7.00000   37.00000   429%     -    3s
H    0     0                       9.0000000   37.00000   311%     -    3s
H    0     0                      11.0000000   37.00000   236%     -    4s
H    0     0                      13.0000000   37.00000   185%     -    8s
     0     0   37.00000    0  532   13.00000   37.00000   185%     -    8s
H    0     0                      14.0000000   37.00000   164%     -    8s
     0     0   37.00000    0  480   14.00000   37.00000   164%     -   10s
H    0     0                      15.0000000   37.00000   147%     -   24s
H    0     0                      16.0000000   37.00000   131%     -   24s
     0     0   37.00000    0  547   16.00000   37.00000   131%     -   25s
     0     0   37.00000    0  541   16.00000   37.00000   131%     -   26s
H    0     0                      17.0000000   37.00000   118%     -   29s
     0     0   37.00000    0  513   17.00000   37.00000   118%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 23
  Clique: 8
  MIR: 139
  StrongCG: 1
  GUB cover: 5
  Zero half: 26
  RLT: 48

Explored 1 nodes (40326 simplex iterations) in 50.07 seconds (30.78 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 7

Time limit reached
Best objective 1.700000000000e+01, best bound 3.700000000000e+01, gap 117.6471%

Wrote result file './lp_solutions/grafo11467.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:10:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11467.37.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/grafo11467.37.lp
Reading time = 0.09 seconds
: 52679 rows, 1787 columns, 159472 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 52679 rows, 1787 columns and 159472 nonzeros
Model fingerprint: 0x8ff62fec
Variable types: 42 continuous, 1745 integer (1745 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 8415 rows and 33 columns
Presolve time: 0.35s
Presolved: 44264 rows, 1754 columns, 134595 nonzeros
Variable types: 0 continuous, 1754 integer (1712 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 25014 rows, 21004 columns, 96095 nonzeros


Root relaxation: objective 3.700000e+01, 1699 iterations, 0.42 seconds (0.36 work units)

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

     0     0   37.00000    0  310    7.00000   37.00000   429%     -    2s
H    0     0                       9.0000000   37.00000   311%     -    2s
H    0     0                      11.0000000   37.00000   236%     -    2s
H    0     0                      13.0000000   37.00000   185%     -    5s
     0     0   37.00000    0  532   13.00000   37.00000   185%     -    5s
H    0     0                      14.0000000   37.00000   164%     -    5s
     0     0   37.00000    0  480   14.00000   37.00000   164%     -    6s
H    0     0                      15.0000000   37.00000   147%     -   16s
H    0     0                      16.0000000   37.00000   131%     -   16s
     0     0   37.00000    0  547   16.00000   37.00000   131%     -   16s
     0     0   37.00000    0  541   16.00000   37.00000   131%     -   17s
H    0     0                      17.0000000   37.00000   118%     -   19s
     0     0   37.00000    0  418   17.00000   37.00000   118%     -   35s
     0     0   37.00000    0  464   17.00000   37.00000   118%     -   36s
     0     0   37.00000    0  498   17.00000   37.00000   118%     -   45s
     0     0   37.00000    0  452   17.00000   37.00000   118%     -   46s
     0     0   37.00000    0  495   17.00000   37.00000   118%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 20
  Clique: 8
  MIR: 158
  GUB cover: 1
  Zero half: 26
  RLT: 53

Explored 1 nodes (61996 simplex iterations) in 50.05 seconds (46.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 7

Time limit reached
Best objective 1.700000000000e+01, best bound 3.700000000000e+01, gap 117.6471%

Wrote result file './lp_solutions/grafo11467.37.sol'

