
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:46:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5781.35.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/grafo5781.35.lp
Reading time = 0.07 seconds
: 40975 rows, 1439 columns, 123938 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 40975 rows, 1439 columns and 123938 nonzeros
Model fingerprint: 0x1274a4a4
Variable types: 36 continuous, 1403 integer (1403 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 8115 rows and 24 columns
Presolve time: 0.34s
Presolved: 32860 rows, 1415 columns, 99828 nonzeros
Variable types: 0 continuous, 1415 integer (1379 binary)
Root relaxation presolved: 19175 rows, 15100 columns, 72458 nonzeros


Root relaxation: objective 3.300000e+01, 1677 iterations, 0.82 seconds (0.52 work units)

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

     0     0   33.00000    0  312          -   33.00000      -     -    3s
H    0     0                       6.0000000   33.00000   450%     -    3s
H    0     0                       7.0000000   33.00000   371%     -    3s
H    0     0                       8.0000000   33.00000   313%     -    4s
H    0     0                       9.0000000   33.00000   267%     -    4s
     0     0   33.00000    0  531    9.00000   33.00000   267%     -    6s
     0     0   33.00000    0  520    9.00000   33.00000   267%     -    6s
H    0     0                      10.0000000   33.00000   230%     -   17s
H    0     0                      11.0000000   33.00000   200%     -   17s
     0     0   33.00000    0  383   11.00000   33.00000   200%     -   17s
     0     0   33.00000    0  394   11.00000   33.00000   200%     -   18s
H    0     0                      12.0000000   33.00000   175%     -   35s
H    0     0                      13.0000000   33.00000   154%     -   35s
H    0     0                      14.0000000   33.00000   136%     -   35s
     0     0   32.66667    0  508   14.00000   32.66667   133%     -   35s
     0     0   32.66667    0  483   14.00000   32.66667   133%     -   36s
     0     0   32.50000    0  381   14.00000   32.50000   132%     -   49s
     0     0          -    0        14.00000   32.50000   132%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 3
  Clique: 10
  MIR: 46
  StrongCG: 1
  GUB cover: 1
  Zero half: 4
  RLT: 31

Explored 1 nodes (50122 simplex iterations) in 50.07 seconds (29.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 14 13 12 ... 6

Time limit reached
Best objective 1.400000000000e+01, best bound 3.200000000000e+01, gap 128.5714%

Wrote result file './lp_solutions/grafo5781.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:30:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5781.35.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/grafo5781.35.lp
Reading time = 0.07 seconds
: 40975 rows, 1439 columns, 123938 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 40975 rows, 1439 columns and 123938 nonzeros
Model fingerprint: 0x1274a4a4
Variable types: 36 continuous, 1403 integer (1403 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 8115 rows and 24 columns
Presolve time: 0.27s
Presolved: 32860 rows, 1415 columns, 99828 nonzeros
Variable types: 0 continuous, 1415 integer (1379 binary)
Root relaxation presolved: 19175 rows, 15100 columns, 72458 nonzeros


Root relaxation: objective 3.300000e+01, 1677 iterations, 0.55 seconds (0.52 work units)

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

     0     0   33.00000    0  312          -   33.00000      -     -    2s
H    0     0                       6.0000000   33.00000   450%     -    2s
H    0     0                       7.0000000   33.00000   371%     -    2s
H    0     0                       8.0000000   33.00000   313%     -    2s
H    0     0                       9.0000000   33.00000   267%     -    2s
     0     0   33.00000    0  531    9.00000   33.00000   267%     -    4s
     0     0   33.00000    0  520    9.00000   33.00000   267%     -    4s
H    0     0                      10.0000000   33.00000   230%     -   11s
H    0     0                      11.0000000   33.00000   200%     -   11s
     0     0   33.00000    0  383   11.00000   33.00000   200%     -   11s
     0     0   33.00000    0  394   11.00000   33.00000   200%     -   11s
H    0     0                      12.0000000   33.00000   175%     -   24s
H    0     0                      13.0000000   33.00000   154%     -   24s
H    0     0                      14.0000000   33.00000   136%     -   24s
     0     0   32.66667    0  508   14.00000   32.66667   133%     -   24s
     0     0   32.66667    0  483   14.00000   32.66667   133%     -   25s
     0     0   32.50000    0  381   14.00000   32.50000   132%     -   34s
     0     0   32.50000    0  444   14.00000   32.50000   132%     -   35s
     0     0   32.33333    0  460   14.00000   32.33333   131%     -   47s
     0     0   32.33333    0  442   14.00000   32.33333   131%     -   48s
     0     0          -    0        14.00000   32.33333   131%     -   50s

Cutting planes:
  Cover: 14
  Clique: 9
  MIR: 128
  GUB cover: 1
  Zero half: 52
  RLT: 50

Explored 1 nodes (67915 simplex iterations) in 50.05 seconds (41.75 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 14 13 12 ... 6

Time limit reached
Best objective 1.400000000000e+01, best bound 3.200000000000e+01, gap 128.5714%

Wrote result file './lp_solutions/grafo5781.35.sol'

