
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:11:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5579.39.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/grafo5579.39.lp
Reading time = 0.13 seconds
: 54674 rows, 1757 columns, 165285 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 54674 rows, 1757 columns and 165285 nonzeros
Model fingerprint: 0x6ae384d6
Variable types: 40 continuous, 1717 integer (1717 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 2.0000000
Presolve removed 9878 rows and 30 columns
Presolve time: 0.50s
Presolved: 44796 rows, 1727 columns, 135946 nonzeros
Variable types: 0 continuous, 1727 integer (1687 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 25777 rows, 20746 columns, 97908 nonzeros


Root relaxation: objective 3.600000e+01, 3398 iterations, 2.38 seconds (1.55 work units)
Total elapsed time = 6.35s (DegenMoves)

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

     0     0   36.00000    0  471    9.00000   36.00000   300%     -    7s
     0     0   36.00000    0  665    9.00000   36.00000   300%     -   18s
     0     0   36.00000    0  623    9.00000   36.00000   300%     -   20s
H    0     0                      10.0000000   36.00000   260%     -   45s
H    0     0                      11.0000000   36.00000   227%     -   45s
     0     0   36.00000    0  540   11.00000   36.00000   227%     -   46s
     0     0   36.00000    0  424   11.00000   36.00000   227%     -   47s
     0     0          -    0        11.00000   36.00000   227%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 34
  Clique: 4
  MIR: 131
  StrongCG: 2
  GUB cover: 4
  Zero half: 16
  RLT: 55

Explored 1 nodes (38868 simplex iterations) in 50.08 seconds (31.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 9 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.600000000000e+01, gap 227.2727%

Wrote result file './lp_solutions/grafo5579.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:25:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5579.39.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/grafo5579.39.lp
Reading time = 0.09 seconds
: 54674 rows, 1757 columns, 165285 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 54674 rows, 1757 columns and 165285 nonzeros
Model fingerprint: 0x6ae384d6
Variable types: 40 continuous, 1717 integer (1717 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 2.0000000
Presolve removed 9878 rows and 30 columns
Presolve time: 0.36s
Presolved: 44796 rows, 1727 columns, 135946 nonzeros
Variable types: 0 continuous, 1727 integer (1687 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 25777 rows, 20746 columns, 97908 nonzeros


Root relaxation: objective 3.600000e+01, 3398 iterations, 1.58 seconds (1.55 work units)
Total elapsed time = 5.39s (DegenMoves)

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

     0     0   36.00000    0  471    9.00000   36.00000   300%     -    5s
     0     0   36.00000    0  665    9.00000   36.00000   300%     -   12s
     0     0   36.00000    0  623    9.00000   36.00000   300%     -   13s
H    0     0                      10.0000000   36.00000   260%     -   30s
H    0     0                      11.0000000   36.00000   227%     -   30s
     0     0   36.00000    0  540   11.00000   36.00000   227%     -   30s
     0     0   36.00000    0  424   11.00000   36.00000   227%     -   31s
     0     0   36.00000    0  452   11.00000   36.00000   227%     -   40s
H    0     0                      12.0000000   36.00000   200%     -   40s
     0     0   36.00000    0  322   12.00000   36.00000   200%     -   40s
     0     0   36.00000    0  542   12.00000   36.00000   200%     -   50s

Cutting planes:
  Cover: 30
  Clique: 11
  MIR: 125
  StrongCG: 1
  GUB cover: 9
  Zero half: 42
  RLT: 54

Explored 1 nodes (63070 simplex iterations) in 50.05 seconds (49.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5579.39.sol'

