
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:56:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5825.35.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/grafo5825.35.lp
Reading time = 0.07 seconds
: 39990 rows, 1542 columns, 121127 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 39990 rows, 1542 columns and 121127 nonzeros
Model fingerprint: 0xcfd9a789
Variable types: 38 continuous, 1504 integer (1504 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 6508 rows and 29 columns
Presolve time: 0.32s
Presolved: 33482 rows, 1513 columns, 101945 nonzeros
Variable types: 0 continuous, 1513 integer (1475 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 18501 rows, 16494 columns, 71983 nonzeros


Root relaxation: objective 3.500000e+01, 2184 iterations, 1.00 seconds (0.56 work units)

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

     0     0   35.00000    0  363   10.00000   35.00000   250%     -    3s
H    0     0                      13.0000000   35.00000   169%     -    3s
     0     0   35.00000    0  505   13.00000   35.00000   169%     -    7s
     0     0   35.00000    0  494   13.00000   35.00000   169%     -    7s
H    0     0                      14.0000000   35.00000   150%     -   17s
     0     0   34.00000    0  406   14.00000   34.00000   143%     -   17s
     0     0   34.00000    0  396   14.00000   34.00000   143%     -   17s
     0     0   34.00000    0  377   14.00000   34.00000   143%     -   28s
H    0     0                      15.0000000   34.00000   127%     -   28s
     0     0   34.00000    0  309   15.00000   34.00000   127%     -   28s
     0     0   34.00000    0  350   15.00000   34.00000   127%     -   35s
     0     0   34.00000    0  355   15.00000   34.00000   127%     -   36s
H    0     0                      17.0000000   34.00000   100%     -   47s
     0     0   34.00000    0  519   17.00000   34.00000   100%     -   47s
     0     0   34.00000    0  476   17.00000   34.00000   100%     -   49s
     0     0          -    0        17.00000   34.00000   100%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 14
  Clique: 2
  MIR: 93
  StrongCG: 1
  GUB cover: 1
  Zero half: 60
  RLT: 46
  BQP: 1

Explored 1 nodes (55236 simplex iterations) in 50.07 seconds (29.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 17 15 14 ... 10

Time limit reached
Best objective 1.700000000000e+01, best bound 3.400000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo5825.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:32:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5825.35.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/grafo5825.35.lp
Reading time = 0.07 seconds
: 39990 rows, 1542 columns, 121127 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 39990 rows, 1542 columns and 121127 nonzeros
Model fingerprint: 0xcfd9a789
Variable types: 38 continuous, 1504 integer (1504 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 6508 rows and 29 columns
Presolve time: 0.26s
Presolved: 33482 rows, 1513 columns, 101945 nonzeros
Variable types: 0 continuous, 1513 integer (1475 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 18501 rows, 16494 columns, 71983 nonzeros


Root relaxation: objective 3.500000e+01, 2184 iterations, 0.63 seconds (0.56 work units)

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

     0     0   35.00000    0  363   10.00000   35.00000   250%     -    2s
H    0     0                      13.0000000   35.00000   169%     -    2s
     0     0   35.00000    0  505   13.00000   35.00000   169%     -    4s
     0     0   35.00000    0  494   13.00000   35.00000   169%     -    5s
H    0     0                      14.0000000   35.00000   150%     -   11s
     0     0   34.00000    0  406   14.00000   34.00000   143%     -   11s
     0     0   34.00000    0  396   14.00000   34.00000   143%     -   12s
     0     0   34.00000    0  377   14.00000   34.00000   143%     -   19s
H    0     0                      15.0000000   34.00000   127%     -   19s
     0     0   34.00000    0  309   15.00000   34.00000   127%     -   19s
     0     0   34.00000    0  350   15.00000   34.00000   127%     -   23s
     0     0   34.00000    0  355   15.00000   34.00000   127%     -   24s
H    0     0                      17.0000000   34.00000   100%     -   31s
     0     0   34.00000    0  519   17.00000   34.00000   100%     -   31s
     0     0   34.00000    0  476   17.00000   34.00000   100%     -   32s
     0     0   34.00000    0  383   17.00000   34.00000   100%     -   38s
     0     0   34.00000    0  292   17.00000   34.00000   100%     -   39s
     0     2   34.00000    0  292   17.00000   34.00000   100%     -   44s
     3     8   34.00000    2  344   17.00000   34.00000   100%  1542   45s
   126   131   30.66667   21  275   17.00000   34.00000   100%   218   50s

Cutting planes:
  Gomory: 2
  Cover: 1
  Clique: 2
  MIR: 88
  StrongCG: 1
  Inf proof: 2
  Zero half: 7
  RLT: 44
  BQP: 1

Explored 130 nodes (95701 simplex iterations) in 50.04 seconds (47.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 17 15 14 ... 10

Time limit reached
Best objective 1.700000000000e+01, best bound 3.400000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo5825.35.sol'

