
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:29:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5683.39.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/grafo5683.39.lp
Reading time = 0.18 seconds
: 93268 rows, 1936 columns, 281264 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 93268 rows, 1936 columns and 281264 nonzeros
Model fingerprint: 0x5c519cbb
Variable types: 42 continuous, 1894 integer (1894 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 29931 rows and 24 columns
Presolve time: 1.09s
Presolved: 63337 rows, 1912 columns, 191853 nonzeros
Variable types: 0 continuous, 1912 integer (1870 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1906 rows, 65243 columns, 193765 nonzeros


Root relaxation: objective 4.600000e+01, 2347 iterations, 0.98 seconds (0.75 work units)
Total elapsed time = 8.69s (DegenMoves)
Total elapsed time = 10.75s (DegenMoves)

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

     0     0   46.00000    0  432    5.00000   46.00000   820%     -   11s
H    0     0                       6.0000000   46.00000   667%     -   12s
H    0     0                      10.0000000   46.00000   360%     -   15s
     0     0   46.00000    0  874   10.00000   46.00000   360%     -   31s
     0     0   46.00000    0  812   10.00000   46.00000   360%     -   34s
     0     0   46.00000    0  853   10.00000   46.00000   360%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 13
  Clique: 9
  MIR: 131
  Zero half: 119
  RLT: 72
  BQP: 1

Explored 1 nodes (26496 simplex iterations) in 50.10 seconds (31.86 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 6 5 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.600000000000e+01, gap 360.0000%

Wrote result file './lp_solutions/grafo5683.39.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:27:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5683.39.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/grafo5683.39.lp
Reading time = 0.15 seconds
: 93268 rows, 1936 columns, 281264 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 93268 rows, 1936 columns and 281264 nonzeros
Model fingerprint: 0x5c519cbb
Variable types: 42 continuous, 1894 integer (1894 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 29931 rows and 24 columns
Presolve time: 0.66s
Presolved: 63337 rows, 1912 columns, 191853 nonzeros
Variable types: 0 continuous, 1912 integer (1870 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1906 rows, 65243 columns, 193765 nonzeros


Root relaxation: objective 4.600000e+01, 2347 iterations, 0.65 seconds (0.75 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   46.00000    0  432    5.00000   46.00000   820%     -    8s
H    0     0                       6.0000000   46.00000   667%     -    8s
H    0     0                      10.0000000   46.00000   360%     -   10s
     0     0   46.00000    0  874   10.00000   46.00000   360%     -   21s
     0     0   46.00000    0  812   10.00000   46.00000   360%     -   23s
     0     0   46.00000    0  560   10.00000   46.00000   360%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 13
  Clique: 9
  MIR: 131
  Zero half: 119
  RLT: 72
  BQP: 1

Explored 1 nodes (42155 simplex iterations) in 50.08 seconds (51.52 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 6 5 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.600000000000e+01, gap 360.0000%

Wrote result file './lp_solutions/grafo5683.39.sol'

