Solver command line: ['/home/sedghani/baron-lin64/baron', '/tmp/tmp8di3ad7f.pyomo.bar']

===========================================================================
 BARON version 22.3.21. Built: LNX-64 Mon Mar 21 21:01:23 EDT 2022

 BARON is a product of The Optimization Firm.
 For information on BARON, see https://minlp.com/about-baron
 Licensee: Danilo Ardagna at Politecnico di Milano, danilo.ardagna@polimi.it.

 If you use this software, please cite publications from
 https://minlp.com/baron-publications, such as: 

 Khajavirad, A. and N. V. Sahinidis,
 A hybrid LP/NLP paradigm for global optimization relaxations,
 Mathematical Programming Computation, 10, 383-421, 2018.
===========================================================================
 This BARON run may utilize the following subsolver(s)
 For LP/MIP/QP: CLP/CBC                                         
 For NLP: IPOPT, FILTERSQP
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 Doing local search
 Unable to find/load CPLEX library libcplex.so: cannot open shared object file: No such file or directory
 Unable to find/load CPLEX library libcplex2010.so: cannot open shared object file: No such file or directory
 Solving bounding LP
 Preprocessing found feasible solution with value -3788160837.26     
 Starting multi-start local search
 Estimated remaining time for local search is 75 secs
 Estimated remaining time for local search is 49 secs
 Done with local search
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  Iteration    Open nodes         Time (s)    Lower bound      Upper bound
          1+            1           263.11   -0.378816E+10      2314.58    
          1+            1           388.75   -0.378816E+10      2214.93    
          1+            1           428.23   -0.378816E+10      1832.37    
          1             1           440.56   -0.378816E+10      1799.19    
*         6             2           445.42    -1.80664          1799.19    
         20+           10           493.58    -1.80664          1799.18    
*        20             0           493.83     1812.77          1812.77    
         20             0           493.95     1812.77          1799.18    

                  *** Problem is numerically sensitive ***    

 Wall clock time:                   493.95
 Total CPU time used:               754.07

 Total no. of BaR iterations:      20
 Best solution found at node:      20
 Max. no. of nodes in memory:      10
 
 All done
===========================================================================

