
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:54:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5813.37.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/grafo5813.37.lp
Reading time = 0.07 seconds
: 37731 rows, 1498 columns, 114170 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 37731 rows, 1498 columns and 114170 nonzeros
Model fingerprint: 0x8c765d23
Variable types: 36 continuous, 1462 integer (1462 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 4838 rows and 34 columns
Presolve time: 0.31s
Presolved: 32893 rows, 1464 columns, 99987 nonzeros
Variable types: 0 continuous, 1464 integer (1428 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 17983 rows, 16374 columns, 70167 nonzeros


Root relaxation: objective 2.900000e+01, 2391 iterations, 1.00 seconds (0.63 work units)
Total elapsed time = 5.37s (DegenMoves)

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

     0     0   29.00000    0  408    6.00000   29.00000   383%     -    5s
H    0     0                       8.0000000   29.00000   262%     -    5s
     0     0   29.00000    0  545    8.00000   29.00000   262%     -    9s
     0     0   29.00000    0  537    8.00000   29.00000   262%     -   10s
H    0     0                      10.0000000   29.00000   190%     -   21s
     0     0   29.00000    0  381   10.00000   29.00000   190%     -   21s
     0     0   29.00000    0  370   10.00000   29.00000   190%     -   22s
H    0     0                      11.0000000   29.00000   164%     -   33s
     0     0   29.00000    0  308   11.00000   29.00000   164%     -   33s
     0     0   29.00000    0  314   11.00000   29.00000   164%     -   34s
     0     0   29.00000    0  351   11.00000   29.00000   164%     -   43s
     0     0   29.00000    0  357   11.00000   29.00000   164%     -   44s
     0     0   29.00000    0  270   11.00000   29.00000   164%     -   49s
     0     0   29.00000    0  355   11.00000   29.00000   164%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 3
  Clique: 2
  MIR: 32
  Zero half: 3
  RLT: 33

Explored 1 nodes (60215 simplex iterations) in 50.05 seconds (32.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 8 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 2.900000000000e+01, gap 163.6364%

Wrote result file './lp_solutions/grafo5813.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:41:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5813.37.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/grafo5813.37.lp
Reading time = 0.06 seconds
: 37731 rows, 1498 columns, 114170 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 37731 rows, 1498 columns and 114170 nonzeros
Model fingerprint: 0x8c765d23
Variable types: 36 continuous, 1462 integer (1462 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 4838 rows and 34 columns
Presolve time: 0.25s
Presolved: 32893 rows, 1464 columns, 99987 nonzeros
Variable types: 0 continuous, 1464 integer (1428 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 17983 rows, 16374 columns, 70167 nonzeros


Root relaxation: objective 2.900000e+01, 2391 iterations, 0.69 seconds (0.63 work units)

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

     0     0   29.00000    0  408    6.00000   29.00000   383%     -    4s
H    0     0                       8.0000000   29.00000   262%     -    4s
     0     0   29.00000    0  545    8.00000   29.00000   262%     -    6s
     0     0   29.00000    0  537    8.00000   29.00000   262%     -    6s
H    0     0                      10.0000000   29.00000   190%     -   14s
     0     0   29.00000    0  381   10.00000   29.00000   190%     -   14s
     0     0   29.00000    0  370   10.00000   29.00000   190%     -   15s
H    0     0                      11.0000000   29.00000   164%     -   22s
     0     0   29.00000    0  308   11.00000   29.00000   164%     -   22s
     0     0   29.00000    0  314   11.00000   29.00000   164%     -   23s
     0     0   29.00000    0  351   11.00000   29.00000   164%     -   29s
     0     0   29.00000    0  357   11.00000   29.00000   164%     -   30s
     0     0   29.00000    0  270   11.00000   29.00000   164%     -   33s
     0     0   29.00000    0  355   11.00000   29.00000   164%     -   33s
H    0     0                      12.0000000   29.00000   142%     -   40s
     0     0   29.00000    0  328   12.00000   29.00000   142%     -   40s
     0     0   29.00000    0  323   12.00000   29.00000   142%     -   40s
     0     0   28.71429    0  341   12.00000   28.71429   139%     -   43s
     0     0   28.66667    0  300   12.00000   28.66667   139%     -   43s
     0     0   28.66667    0  439   12.00000   28.66667   139%     -   46s
     0     0   28.66667    0  438   12.00000   28.66667   139%     -   48s

Cutting planes:
  Cover: 1
  Clique: 3
  MIR: 33
  Zero half: 2
  RLT: 22

Explored 1 nodes (89031 simplex iterations) in 50.02 seconds (47.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 6

Time limit reached
Best objective 1.200000000000e+01, best bound 2.800000000000e+01, gap 133.3333%

Wrote result file './lp_solutions/grafo5813.37.sol'

