*** glibc detected *** /home/maxsat/solvers/akmaxsat_ls/akmaxsat_ls: free(): invalid next size (normal): 0x0000000010577d70 *** ======= Backtrace: ========= [0x4879e2] [0x48c177] [0x401802] [0x46d619] [0x401231] ======= Memory map: ======== 00400000-00524000 r-xp 00000000 00:18 88327054 /home/maxsat/solvers/akmaxsat_ls/akmaxsat 00723000-00726000 rw-p 00123000 00:18 88327054 /home/maxsat/solvers/akmaxsat_ls/akmaxsat 00726000-0073e000 rw-p 00726000 00:00 0 10560000-105cf000 rw-p 10560000 00:00 0 [heap] 2b36fb4ae000-2b36fbb89000 rw-p 2b36fb4ae000 00:00 0 2b36fc000000-2b36fc021000 rw-p 2b36fc000000 00:00 0 2b36fc021000-2b3700000000 ---p 2b36fc021000 00:00 0 7fff3a007000-7fff3a01c000 rw-p 7ffffffea000 00:00 0 [stack] ffffffffff600000-ffffffffffe00000 ---p 00000000 00:00 0 [vdso]