
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 01:56:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1968.25.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/grafo1968.25.lp
Reading time = 0.30 seconds
: 180705 rows, 970 columns, 542802 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 180705 rows, 970 columns and 542802 nonzeros
Model fingerprint: 0x83468371
Variable types: 26 continuous, 944 integer (944 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 92102 rows and 3 columns
Presolve time: 1.23s
Presolved: 88603 rows, 967 columns, 266528 nonzeros
Variable types: 0 continuous, 967 integer (941 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 966 rows, 89569 columns, 267495 nonzeros


Root relaxation: objective 3.500000e+01, 1556 iterations, 0.97 seconds (1.18 work units)
Total elapsed time = 6.28s (DegenMoves)
Total elapsed time = 11.88s (DegenMoves)

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

     0     0   35.00000    0  354    7.00000   35.00000   400%     -   12s
     0     0   35.00000    0  472    7.00000   35.00000   400%     -   18s
     0     0   35.00000    0  425    7.00000   35.00000   400%     -   19s
     0     0   35.00000    0  425    7.00000   35.00000   400%     -   35s
     0     0   35.00000    0  382    7.00000   35.00000   400%     -   36s
     0     0   35.00000    0  316    7.00000   35.00000   400%     -   45s
     0     0   35.00000    0  293    7.00000   35.00000   400%     -   46s
     0     0   35.00000    0  375    7.00000   35.00000   400%     -   50s

Cutting planes:
  Cover: 28
  Clique: 56
  MIR: 141
  StrongCG: 5
  Zero half: 25
  RLT: 79
  BQP: 4

Explored 1 nodes (25018 simplex iterations) in 50.04 seconds (60.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 7 2 

Time limit reached
Best objective 7.000000000000e+00, best bound 3.500000000000e+01, gap 400.0000%

Wrote result file './lp_solutions/grafo1968.25.sol'

