I am trying to solve an MIP and after presolving, glpk segfaults. This is what I get even after backtracing:
Constructing initial basis... Size of triangular part = 5790 Solving LP relaxation... GLPK Simplex Optimizer, v4.47 5790 rows, 4454 columns, 3571620 non-zeros Program received signal SIGSEGV, Segmentation fault. 0x00007feb46b3eedc in getenv () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) ba #0 0x00007feb46b3eedc in getenv () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x0000000000000001 in ?? () #2 0x00007feb46ea3da0 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #3 0x0000000000000001 in ?? () #4 0x0000000000000000 in ?? () --------------------
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