
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 22:04:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3485.38.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/grafo3485.38.lp
Reading time = 0.42 seconds
: 151026 rows, 1925 columns, 454593 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 151026 rows, 1925 columns and 454593 nonzeros
Model fingerprint: 0xb8160b3a
Variable types: 41 continuous, 1884 integer (1884 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 61640 rows and 20 columns
Presolve time: 1.72s
Presolved: 89386 rows, 1905 columns, 270097 nonzeros
Variable types: 0 continuous, 1905 integer (1864 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1896 rows, 91282 columns, 272002 nonzeros


Root relaxation: objective 4.100000e+01, 2972 iterations, 1.46 seconds (1.61 work units)

Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:48:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3485.38.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/grafo3485.38.lp
Reading time = 0.24 seconds
: 151026 rows, 1925 columns, 454593 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 151026 rows, 1925 columns and 454593 nonzeros
Model fingerprint: 0xb8160b3a
Variable types: 41 continuous, 1884 integer (1884 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 61640 rows and 20 columns
Presolve time: 1.09s
Presolved: 89386 rows, 1905 columns, 270097 nonzeros
Variable types: 0 continuous, 1905 integer (1864 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1896 rows, 91282 columns, 272002 nonzeros


Root relaxation: objective 4.100000e+01, 2972 iterations, 1.23 seconds (1.61 work units)
Total elapsed time = 19.03s (DegenMoves)
Total elapsed time = 21.72s (DegenMoves)

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

     0     0   41.00000    0  641    9.00000   41.00000   356%     -   22s
     0     0   41.00000    0  879    9.00000   41.00000   356%     -   42s
H    0     0                      10.0000000   41.00000   310%     -   42s
     0     0   41.00000    0  842   10.00000   41.00000   310%     -   43s
     0     0          -    0        10.00000   41.00000   310%     -   50s

Cutting planes:
  Gomory: 6
  Lift-and-project: 28
  Cover: 6
  Clique: 23
  MIR: 64
  Zero half: 33
  RLT: 57
  BQP: 3

Explored 1 nodes (27249 simplex iterations) in 50.02 seconds (53.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 9 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.100000000000e+01, gap 310.0000%

Wrote result file './lp_solutions/grafo3485.38.sol'

