
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 09:04:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5871.39.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/grafo5871.39.lp
Reading time = 0.14 seconds
: 63890 rows, 2014 columns, 193301 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 63890 rows, 2014 columns and 193301 nonzeros
Model fingerprint: 0x7ab7b936
Variable types: 45 continuous, 1969 integer (1969 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 -0.0000000
Presolve removed 10626 rows and 36 columns
Presolve time: 0.63s
Presolved: 53264 rows, 1978 columns, 161823 nonzeros
Variable types: 0 continuous, 1978 integer (1933 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 29935 rows, 25307 columns, 115165 nonzeros


Root relaxation: objective 4.500000e+01, 4625 iterations, 3.97 seconds (2.55 work units)
Total elapsed time = 9.90s (DegenMoves)
Total elapsed time = 11.99s (DegenMoves)

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

     0     0   45.00000    0  576    5.00000   45.00000   800%     -   13s
H    0     0                      10.0000000   45.00000   350%     -   13s
     0     0   45.00000    0 1016   10.00000   45.00000   350%     -   38s
     0     0   45.00000    0 1010   10.00000   45.00000   350%     -   39s
     0     0          -    0        10.00000   45.00000   350%     -   50s

Cutting planes:
  Gomory: 8
  Cover: 8
  Clique: 2
  MIR: 182
  Zero half: 65
  RLT: 80

Explored 1 nodes (29525 simplex iterations) in 50.09 seconds (30.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 5 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.500000000000e+01, gap 350.0000%

Wrote result file './lp_solutions/grafo5871.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:29:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5871.39.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/grafo5871.39.lp
Reading time = 0.10 seconds
: 63890 rows, 2014 columns, 193301 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 63890 rows, 2014 columns and 193301 nonzeros
Model fingerprint: 0x7ab7b936
Variable types: 45 continuous, 1969 integer (1969 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 -0.0000000
Presolve removed 10626 rows and 36 columns
Presolve time: 0.41s
Presolved: 53264 rows, 1978 columns, 161823 nonzeros
Variable types: 0 continuous, 1978 integer (1933 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 29935 rows, 25307 columns, 115165 nonzeros


Root relaxation: objective 4.500000e+01, 4625 iterations, 2.68 seconds (2.55 work units)
Total elapsed time = 7.10s (DegenMoves)

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

     0     0   45.00000    0  576    5.00000   45.00000   800%     -    9s
H    0     0                      10.0000000   45.00000   350%     -    9s
     0     0   45.00000    0 1016   10.00000   45.00000   350%     -   27s
     0     0   45.00000    0 1010   10.00000   45.00000   350%     -   28s
     0     0   45.00000    0 1004   10.00000   45.00000   350%     -   50s

Cutting planes:
  Gomory: 8
  Cover: 8
  Clique: 2
  MIR: 182
  Zero half: 65
  RLT: 80

Explored 1 nodes (41727 simplex iterations) in 50.08 seconds (42.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 5 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.500000000000e+01, gap 350.0000%

Wrote result file './lp_solutions/grafo5871.39.sol'

