[Symphony-tickets] Re: [SYMPHONY] #70: Segmentation fault in symphonie 5.1.4

[SYMPHONY]

#70: Segmentation fault in symphonie 5.1.4
-----------------------+----------------------------------------------------
  Reporter:  rbras     |       Owner:  tkr   
      Type:  defect    |      Status:  closed
  Priority:  normal    |   Milestone:  5.2   
 Component:  Not Sure  |     Version:        
Resolution:  wontfix   |    Keywords:        
-----------------------+----------------------------------------------------
Comment (by rbras):

 Replying to [comment:1 tkr]:
 > Raul,
 >
 > Without more information, there's really no way for me to debug this. If
 you could build it with debugging symbols and get some line numbers in the
 stack trace, there might be some hope...
 >
 > What version are you using? You didn;t indicate that.

 The version is in the ticket name (5.1.4). Other details about the system
 are in
 the original ticket. Symphonie was compiled for x86_64.

 I have recompiled it with symbol information. The bactrace of gdb is as
 follows:

 Program received signal SIGSEGV, Segmentation fault.
 [Switching to Thread 46912516869440 (LWP 27130)]
 0x00002aaaaaad84b4 in shall_we_dive (tm=0x1bc65cf0,
 objval=1955.1499947128068)
     at TreeManager/tm_func.c:1334
 1334          if (tm->samephase_cand[i]->lower_bound < tm->lb)
 Current language:  auto; currently c++
 (gdb) bt
 #0  0x00002aaaaaad84b4 in shall_we_dive (tm=0x1bc65cf0,
     objval=1955.1499947128068) at TreeManager/tm_func.c:1334
 #1  0x00002aaaaaad90c7 in generate_children (tm=0x1bc65cf0,
     node=0x2aaaf4c4e9e0, bobj=0x2aaaf4c4ea18, objval=0x2aaaf4c4e2e8,
     feasible=0x2aaaf4c4e328,
     action=0x1bde4df0 "\002\001", 'L' <repeats 19 times>, '\001' <repeats
 63 times>, "\002\002\002\002\002\002\002\002\001", '\002' <repeats 26
 times>, "\001\002", '\001' <repeats 37 times>,
 "\002\002\002\002\002\002\002\001", '\002' <repeats 26 times>,
 "\001\002\002\002\002\002\002\002"..., olddive=2 '\002',
     keep=0x7fff188cf890, new_branching_cut=0) at
 TreeManager/tm_func.c:1034
 #2  0x00002aaaaaae92d3 in send_branching_info (p=0x1bc677a0,
     can=0x2aaaf4c4e270,
     action=0x1bde4df0 "\002\001", 'L' <repeats 19 times>, '\001' <repeats
 63 times>, "\002\002\002\002\002\002\002\002\001", '\002' <repeats 26
 times>, "\001\002", '\001' <repeats 37 times>,
 "\002\002\002\002\002\002\002\001", '\002' <repeats 26 times>,
 "\001\002\002\002\002\002\002\002"..., keep=0x7fff188cf890)
     at LP/lp_proccomm.c:1332
 #3  0x00002aaaaaaf1f01 in branch (p=0x1bc677a0, cuts=20) at
 LP/lp_branch.c:708
 #4  0x00002aaaaaae8300 in fathom_branch (p=0x1bc677a0) at
 LP/lp_genfunc.c:399
 #5  0x00002aaaaaae8747 in process_chain (p=0x1bc677a0) at
 LP/lp_genfunc.c:179
 #6  0x00002aaaaaad9ba4 in solve (.omp_data_i=0x7fff188cfa60)
 ---Type <return> to continue, or q <return> to quit---
     at TreeManager/tm_func.c:395
 #7  0x00002aaaaaad9324 in solve (tm=0x1bc65cf0) at
 TreeManager/tm_func.c:310
 #8  0x00002aaaaaac2753 in sym_solve (env=0x1ba09090) at
 Master/master.c:913
 #9  0x0000000000401628 in main (argc=<value optimized out>,
     argv=0x7fff188d0288) at Master/main.c:170
 (gdb)

 Best regards,

 Raul

 >
 > Cheers,
 >
 > Ted

-- 
Ticket URL: <https://projects.coin-or.org/SYMPHONY/ticket/70#comment:2>
SYMPHONY <http://projects.coin-or.org/SYMPHONY>
The SYMPHONY framework for parallel branch-and-cut algorithms.