
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:45:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5446.40.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/grafo5446.40.lp
Reading time = 0.13 seconds
: 67963 rows, 1953 columns, 205365 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 67963 rows, 1953 columns and 205365 nonzeros
Model fingerprint: 0x3e55e7d1
Variable types: 42 continuous, 1911 integer (1911 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 14923 rows and 16 columns
Presolve time: 0.62s
Presolved: 53040 rows, 1937 columns, 160968 nonzeros
Variable types: 0 continuous, 1937 integer (1895 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1934 rows, 54974 columns, 162905 nonzeros


Root relaxation: objective 4.600000e+01, 2135 iterations, 0.82 seconds (0.50 work units)
Total elapsed time = 7.33s (DegenMoves)

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

     0     0   46.00000    0  595    6.00000   46.00000   667%     -    8s
H    0     0                       8.0000000   46.00000   475%     -    8s
H    0     0                      12.0000000   46.00000   283%     -   11s
H    0     0                      13.0000000   46.00000   254%     -   22s
     0     0   46.00000    0  860   13.00000   46.00000   254%     -   22s
     0     0   46.00000    0  789   13.00000   46.00000   254%     -   23s
     0     0   46.00000    0  822   13.00000   46.00000   254%     -   50s

Cutting planes:
  Gomory: 7
  Cover: 22
  Clique: 5
  MIR: 127
  StrongCG: 1
  GUB cover: 1
  Zero half: 69
  RLT: 65
  BQP: 1

Explored 1 nodes (33015 simplex iterations) in 50.09 seconds (29.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 8 6 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.600000000000e+01, gap 253.8462%

Wrote result file './lp_solutions/grafo5446.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:15:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5446.40.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/grafo5446.40.lp
Reading time = 0.11 seconds
: 67963 rows, 1953 columns, 205365 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 67963 rows, 1953 columns and 205365 nonzeros
Model fingerprint: 0x3e55e7d1
Variable types: 42 continuous, 1911 integer (1911 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 14923 rows and 16 columns
Presolve time: 0.42s
Presolved: 53040 rows, 1937 columns, 160968 nonzeros
Variable types: 0 continuous, 1937 integer (1895 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1934 rows, 54974 columns, 162905 nonzeros


Root relaxation: objective 4.600000e+01, 2135 iterations, 0.46 seconds (0.50 work units)
Total elapsed time = 5.29s (DegenMoves)

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

     0     0   46.00000    0  595    6.00000   46.00000   667%     -    5s
H    0     0                       8.0000000   46.00000   475%     -    5s
H    0     0                      12.0000000   46.00000   283%     -    7s
H    0     0                      13.0000000   46.00000   254%     -   15s
     0     0   46.00000    0  860   13.00000   46.00000   254%     -   15s
     0     0   46.00000    0  789   13.00000   46.00000   254%     -   16s
     0     0   46.00000    0  812   13.00000   46.00000   254%     -   40s
     0     0   46.00000    0  744   13.00000   46.00000   254%     -   41s
     0     0          -    0        13.00000   46.00000   254%     -   50s

Cutting planes:
  Cover: 18
  Clique: 3
  MIR: 180
  GUB cover: 1
  Zero half: 63
  RLT: 61
  BQP: 2

Explored 1 nodes (44553 simplex iterations) in 50.04 seconds (43.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 8 6 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.600000000000e+01, gap 253.8462%

Wrote result file './lp_solutions/grafo5446.40.sol'

