
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:01:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3425.41.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/grafo3425.41.lp
Reading time = 0.16 seconds
: 77938 rows, 2064 columns, 235391 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 77938 rows, 2064 columns and 235391 nonzeros
Model fingerprint: 0xba96ff97
Variable types: 44 continuous, 2020 integer (2020 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 17598 rows and 34 columns
Presolve time: 0.84s
Presolved: 60340 rows, 2030 columns, 182962 nonzeros
Variable types: 0 continuous, 2030 integer (1986 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2030 rows, 62370 columns, 184992 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18856    4.4865899e+01   0.000000e+00   2.046712e+03      5s
   23075    4.5000000e+01   0.000000e+00   0.000000e+00      6s
   23075    4.5000000e+01   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 4.500000e+01, 23075 iterations, 5.14 seconds (2.84 work units)
Total elapsed time = 17.47s (DegenMoves)
Total elapsed time = 20.11s (DegenMoves)

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

     0     0   45.00000    0  568    5.00000   45.00000   800%     -   22s
H    0     0                       8.0000000   45.00000   462%     -   22s
H    0     0                      10.0000000   45.00000   350%     -   22s
     0     0   45.00000    0  950   10.00000   45.00000   350%     -   43s
     0     0   45.00000    0  915   10.00000   45.00000   350%     -   46s
     0     0          -    0        10.00000   45.00000   350%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 5
  Clique: 10
  MIR: 120
  StrongCG: 3
  Zero half: 63
  RLT: 78

Explored 1 nodes (48014 simplex iterations) in 50.44 seconds (33.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 8 5 

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

Wrote result file './lp_solutions/grafo3425.41.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:52:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3425.41.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/grafo3425.41.lp
Reading time = 0.12 seconds
: 77938 rows, 2064 columns, 235391 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 77938 rows, 2064 columns and 235391 nonzeros
Model fingerprint: 0xba96ff97
Variable types: 44 continuous, 2020 integer (2020 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 17598 rows and 34 columns
Presolve time: 0.53s
Presolved: 60340 rows, 2030 columns, 182962 nonzeros
Variable types: 0 continuous, 2030 integer (1986 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2030 rows, 62370 columns, 184992 nonzeros


Root relaxation: objective 4.500000e+01, 23075 iterations, 3.59 seconds (2.84 work units)
Total elapsed time = 12.69s (DegenMoves)
Total elapsed time = 15.12s (DegenMoves)

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

     0     0   45.00000    0  568    5.00000   45.00000   800%     -   16s
H    0     0                       8.0000000   45.00000   462%     -   16s
H    0     0                      10.0000000   45.00000   350%     -   16s
     0     0   45.00000    0  950   10.00000   45.00000   350%     -   31s
     0     0   45.00000    0  915   10.00000   45.00000   350%     -   32s
     0     0   45.00000    0  688   10.00000   45.00000   350%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 5
  Clique: 10
  MIR: 120
  StrongCG: 3
  Zero half: 63
  RLT: 78

Explored 1 nodes (62173 simplex iterations) in 50.09 seconds (46.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 8 5 

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

Wrote result file './lp_solutions/grafo3425.41.sol'

