
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:17:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10428.35.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/grafo10428.35.lp
Reading time = 0.48 seconds
: 108157 rows, 1458 columns, 325485 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 108157 rows, 1458 columns and 325485 nonzeros
Model fingerprint: 0x88180e04
Variable types: 34 continuous, 1424 integer (1424 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 47841 rows and 12 columns
Presolve time: 1.84s
Presolved: 60316 rows, 1446 columns, 182233 nonzeros
Variable types: 0 continuous, 1446 integer (1412 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1440 rows, 61756 columns, 183679 nonzeros


Root relaxation: objective 3.200000e+01, 2114 iterations, 1.57 seconds (0.76 work units)
Total elapsed time = 15.86s (DegenMoves)

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

     0     0   32.00000    0  312    4.00000   32.00000   700%     -   18s
H    0     0                       7.0000000   32.00000   357%     -   19s
H    0     0                       8.0000000   32.00000   300%     -   19s
     0     0   32.00000    0  467    8.00000   32.00000   300%     -   30s
H    0     0                       9.0000000   32.00000   256%     -   40s
     0     0   32.00000    0  468    9.00000   32.00000   256%     -   40s

Cutting planes:
  Gomory: 7
  Cover: 12
  Clique: 18
  MIR: 69
  GUB cover: 2
  Zero half: 18
  RLT: 27
  BQP: 2

Explored 1 nodes (12520 simplex iterations) in 52.05 seconds (13.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 9 8 7 4 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.200000000000e+01, gap 255.5556%

Wrote result file './lp_solutions/grafo10428.35.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:24:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10428.35.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/grafo10428.35.lp
Reading time = 0.17 seconds
: 108157 rows, 1458 columns, 325485 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 108157 rows, 1458 columns and 325485 nonzeros
Model fingerprint: 0x88180e04
Variable types: 34 continuous, 1424 integer (1424 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 47841 rows and 12 columns
Presolve time: 0.72s
Presolved: 60316 rows, 1446 columns, 182233 nonzeros
Variable types: 0 continuous, 1446 integer (1412 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1440 rows, 61756 columns, 183679 nonzeros


Root relaxation: objective 3.200000e+01, 2114 iterations, 0.63 seconds (0.76 work units)
Total elapsed time = 6.46s (DegenMoves)

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

     0     0   32.00000    0  312    4.00000   32.00000   700%     -    7s
H    0     0                       7.0000000   32.00000   357%     -    7s
H    0     0                       8.0000000   32.00000   300%     -    7s
     0     0   32.00000    0  467    8.00000   32.00000   300%     -   12s
H    0     0                       9.0000000   32.00000   256%     -   12s
     0     0   32.00000    0  468    9.00000   32.00000   256%     -   12s
     0     0   32.00000    0  315    9.00000   32.00000   256%     -   24s
     0     0   32.00000    0  250    9.00000   32.00000   256%     -   24s
H    0     0                      11.0000000   32.00000   191%     -   39s
     0     0   32.00000    0  452   11.00000   32.00000   191%     -   39s
     0     0   32.00000    0  423   11.00000   32.00000   191%     -   40s
     0     0   32.00000    0  505   11.00000   32.00000   191%     -   50s

Cutting planes:
  Cover: 14
  Clique: 23
  MIR: 111
  StrongCG: 1
  GUB cover: 1
  Zero half: 21
  RLT: 54

Explored 1 nodes (39369 simplex iterations) in 50.07 seconds (48.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 9 8 ... 4

Time limit reached
Best objective 1.100000000000e+01, best bound 3.200000000000e+01, gap 190.9091%

Wrote result file './lp_solutions/grafo10428.35.sol'

