
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:30:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5319.36.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/grafo5319.36.lp
Reading time = 0.09 seconds
: 48346 rows, 1634 columns, 146295 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 48346 rows, 1634 columns and 146295 nonzeros
Model fingerprint: 0x3991b17c
Variable types: 40 continuous, 1594 integer (1594 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 8569 rows and 36 columns
Presolve time: 0.52s
Presolved: 39777 rows, 1598 columns, 120904 nonzeros
Variable types: 0 continuous, 1598 integer (1558 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 22757 rows, 18618 columns, 86864 nonzeros


Root relaxation: objective 3.300000e+01, 2156 iterations, 1.10 seconds (0.70 work units)
Total elapsed time = 11.31s (DegenMoves)

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

     0     0   33.00000    0  309    3.00000   33.00000  1000%     -   12s
H    0     0                       7.0000000   33.00000   371%     -   12s
H    0     0                       9.0000000   33.00000   267%     -   12s
     0     0   33.00000    0  446    9.00000   33.00000   267%     -   16s
     0     0   33.00000    0  437    9.00000   33.00000   267%     -   17s
     0     0   33.00000    0  430    9.00000   33.00000   267%     -   26s
     0     0   33.00000    0  342    9.00000   33.00000   267%     -   27s
H    0     0                      11.0000000   33.00000   200%     -   29s
     0     0   33.00000    0  518   11.00000   33.00000   200%     -   50s

Cutting planes:
  Cover: 25
  Clique: 4
  MIR: 150
  StrongCG: 1
  GUB cover: 9
  Zero half: 48
  RLT: 46

Explored 1 nodes (50974 simplex iterations) in 50.06 seconds (37.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 9 7 3 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.300000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5319.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:29:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5319.36.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/grafo5319.36.lp
Reading time = 0.08 seconds
: 48346 rows, 1634 columns, 146295 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 48346 rows, 1634 columns and 146295 nonzeros
Model fingerprint: 0x3991b17c
Variable types: 40 continuous, 1594 integer (1594 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 8569 rows and 36 columns
Presolve time: 0.32s
Presolved: 39777 rows, 1598 columns, 120904 nonzeros
Variable types: 0 continuous, 1598 integer (1558 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 22757 rows, 18618 columns, 86864 nonzeros


Root relaxation: objective 3.300000e+01, 2156 iterations, 0.74 seconds (0.70 work units)
Total elapsed time = 8.86s (DegenMoves)

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

     0     0   33.00000    0  309    3.00000   33.00000  1000%     -    9s
H    0     0                       7.0000000   33.00000   371%     -    9s
H    0     0                       9.0000000   33.00000   267%     -    9s
     0     0   33.00000    0  446    9.00000   33.00000   267%     -   12s
     0     0   33.00000    0  437    9.00000   33.00000   267%     -   12s
     0     0   33.00000    0  430    9.00000   33.00000   267%     -   19s
     0     0   33.00000    0  342    9.00000   33.00000   267%     -   19s
H    0     0                      11.0000000   33.00000   200%     -   20s
H    0     0                      12.0000000   33.00000   175%     -   43s
H    0     0                      13.0000000   33.00000   154%     -   43s
H    0     0                      14.0000000   33.00000   136%     -   43s
     0     0   32.66667    0  348   14.00000   32.66667   133%     -   43s
     0     0   32.66667    0  300   14.00000   32.66667   133%     -   44s
H    0     0                      15.0000000   32.66667   118%     -   50s
     0     0   32.66667    0  350   15.00000   32.66667   118%     -   50s

Cutting planes:
  Clique: 1
  MIR: 23
  RLT: 16

Explored 1 nodes (65946 simplex iterations) in 50.07 seconds (45.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 15 14 13 ... 3

Time limit reached
Best objective 1.500000000000e+01, best bound 3.200000000000e+01, gap 113.3333%

Wrote result file './lp_solutions/grafo5319.36.sol'

