
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:49:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11662.36.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/grafo11662.36.lp
Reading time = 0.13 seconds
: 64039 rows, 1876 columns, 193794 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 64039 rows, 1876 columns and 193794 nonzeros
Model fingerprint: 0x6bdfb2cb
Variable types: 44 continuous, 1832 integer (1832 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 13286 rows and 21 columns
Presolve time: 0.83s
Presolved: 50753 rows, 1855 columns, 154330 nonzeros
Variable types: 0 continuous, 1855 integer (1811 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1849 rows, 52602 columns, 156185 nonzeros


Root relaxation: objective 3.800000e+01, 993 iterations, 0.39 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  230   11.00000   38.00000   245%     -    2s
H    0     0                      13.0000000   38.00000   192%     -    2s
H    0     0                      15.0000000   38.00000   153%     -    2s
H    0     0                      16.0000000   38.00000   138%     -    9s
     0     0   38.00000    0  649   16.00000   38.00000   138%     -    9s
     0     0   38.00000    0  639   16.00000   38.00000   137%     -   11s
H    0     0                      17.0000000   38.00000   124%     -   39s
H    0     0                      18.0000000   38.00000   111%     -   39s
H    0     0                      19.0000000   38.00000   100%     -   39s
     0     0   38.00000    0  394   19.00000   38.00000   100%     -   39s
     0     0   38.00000    0  396   19.00000   38.00000   100%     -   41s
     0     0   38.00000    0  436   19.00000   38.00000   100%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 23
  Clique: 9
  MIR: 139
  StrongCG: 2
  GUB cover: 2
  Zero half: 46
  RLT: 48
  BQP: 3

Explored 1 nodes (36901 simplex iterations) in 50.13 seconds (32.90 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 19 18 17 ... 11

Time limit reached
Best objective 1.900000000000e+01, best bound 3.800000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo11662.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:11:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11662.36.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/grafo11662.36.lp
Reading time = 0.10 seconds
: 64039 rows, 1876 columns, 193794 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 64039 rows, 1876 columns and 193794 nonzeros
Model fingerprint: 0x6bdfb2cb
Variable types: 44 continuous, 1832 integer (1832 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 13286 rows and 21 columns
Presolve time: 0.47s
Presolved: 50753 rows, 1855 columns, 154330 nonzeros
Variable types: 0 continuous, 1855 integer (1811 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1849 rows, 52602 columns, 156185 nonzeros


Root relaxation: objective 3.800000e+01, 993 iterations, 0.24 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  230   11.00000   38.00000   245%     -    1s
H    0     0                      13.0000000   38.00000   192%     -    1s
H    0     0                      15.0000000   38.00000   153%     -    1s
H    0     0                      16.0000000   38.00000   138%     -    6s
     0     0   38.00000    0  649   16.00000   38.00000   138%     -    6s
     0     0   38.00000    0  639   16.00000   38.00000   137%     -    7s
H    0     0                      17.0000000   38.00000   124%     -   28s
H    0     0                      18.0000000   38.00000   111%     -   28s
H    0     0                      19.0000000   38.00000   100%     -   28s
     0     0   38.00000    0  394   19.00000   38.00000   100%     -   28s
     0     0   38.00000    0  396   19.00000   38.00000   100%     -   29s
     0     0   38.00000    0  436   19.00000   38.00000   100%     -   36s
     0     0   38.00000    0  436   19.00000   38.00000   100%     -   36s
     0     0   38.00000    0  432   19.00000   38.00000   100%     -   43s
     0     0   38.00000    0  396   19.00000   38.00000   100%     -   43s
     0     0   38.00000    0  458   19.00000   38.00000   100%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 13
  Clique: 11
  MIR: 121
  StrongCG: 4
  Zero half: 38
  RLT: 59
  Relax-and-lift: 1
  BQP: 3

Explored 1 nodes (55468 simplex iterations) in 50.09 seconds (47.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 19 18 17 ... 11

Time limit reached
Best objective 1.900000000000e+01, best bound 3.800000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo11662.36.sol'

