
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:38:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5388.36.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/grafo5388.36.lp
Reading time = 0.17 seconds
: 74655 rows, 1880 columns, 225527 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 74655 rows, 1880 columns and 225527 nonzeros
Model fingerprint: 0xc14fa0a6
Variable types: 44 continuous, 1836 integer (1836 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]
Found heuristic solution: objective 1.0000000
Presolve removed 19797 rows and 34 columns
Presolve time: 0.83s
Presolved: 54858 rows, 1846 columns, 166510 nonzeros
Variable types: 0 continuous, 1846 integer (1802 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1843 rows, 56701 columns, 168356 nonzeros


Root relaxation: objective 4.600000e+01, 2149 iterations, 0.78 seconds (0.49 work units)
Total elapsed time = 9.07s (DegenMoves)

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

     0     0   46.00000    0  560    6.00000   46.00000   667%     -   10s
H    0     0                       9.0000000   46.00000   411%     -   10s
     0     0   46.00000    0  772    9.00000   46.00000   411%     -   24s
H    0     0                      10.0000000   46.00000   360%     -   24s
     0     0   46.00000    0  767   10.00000   46.00000   360%     -   25s
     0     0   46.00000    0  551   10.00000   46.00000   360%     -   46s
H    0     0                      11.0000000   46.00000   318%     -   46s
     0     0   46.00000    0  542   11.00000   46.00000   318%     -   47s

Cutting planes:
  Gomory: 1
  Cover: 39
  Clique: 12
  MIR: 187
  StrongCG: 1
  GUB cover: 14
  Zero half: 85
  RLT: 69

Explored 1 nodes (34921 simplex iterations) in 50.16 seconds (32.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 4.600000000000e+01, gap 318.1818%

Wrote result file './lp_solutions/grafo5388.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:33:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5388.36.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/grafo5388.36.lp
Reading time = 0.12 seconds
: 74655 rows, 1880 columns, 225527 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 74655 rows, 1880 columns and 225527 nonzeros
Model fingerprint: 0xc14fa0a6
Variable types: 44 continuous, 1836 integer (1836 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]
Found heuristic solution: objective 1.0000000
Presolve removed 19797 rows and 34 columns
Presolve time: 0.54s
Presolved: 54858 rows, 1846 columns, 166510 nonzeros
Variable types: 0 continuous, 1846 integer (1802 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1843 rows, 56701 columns, 168356 nonzeros


Root relaxation: objective 4.600000e+01, 2149 iterations, 0.47 seconds (0.49 work units)
Total elapsed time = 6.92s (DegenMoves)

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

     0     0   46.00000    0  560    6.00000   46.00000   667%     -    7s
H    0     0                       9.0000000   46.00000   411%     -    7s
     0     0   46.00000    0  772    9.00000   46.00000   411%     -   17s
H    0     0                      10.0000000   46.00000   360%     -   17s
     0     0   46.00000    0  767   10.00000   46.00000   360%     -   18s
     0     0   46.00000    0  551   10.00000   46.00000   360%     -   34s
H    0     0                      11.0000000   46.00000   318%     -   34s
     0     0   46.00000    0  542   11.00000   46.00000   318%     -   34s
     0     0   46.00000    0  785   11.00000   46.00000   318%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 39
  Clique: 12
  MIR: 187
  StrongCG: 1
  GUB cover: 14
  Zero half: 85
  RLT: 69

Explored 1 nodes (45489 simplex iterations) in 50.06 seconds (44.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 4.600000000000e+01, gap 318.1818%

Wrote result file './lp_solutions/grafo5388.36.sol'

