More info! After enabling some flags by placing the following in my make/local file:
CXXFLAGS+= -fsanitize=undefined
CXXFLAGS+= -fsanitize=address
I got these flags from here.
The compiler output suggests a memory issue. I have the following output:
=================================================================
==2792681==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x7fa3cec11810 in thread T0
#0 0x7fa3d04be672 in __interceptor_free /usr/src/debug/gcc/libsanitizer/asan/asan_malloc_linux.cpp:52
#1 0x5579cccc4623 in stan::services::util::create_unit_e_diag_inv_metric(unsigned long) (/home/cameron/research/option-value-of-news/generative-model/stan/combined-model+0x158e623)
#2 0x5579cccd54b4 in int stan::services::sample::hmc_nuts_diag_e_adapt<stan::model::model_base, std::shared_ptr<stan::io::var_context>, stan::callbacks::writer, stan::callbacks::unique_stream_writer<std::ostream>, stan::callbacks::unique_stream_writer<std::ostream> >(stan::model::model_base&, unsigned long, std::vector<std::shared_ptr<stan::io::var_context>, std::allocator<std::shared_ptr<stan::io::var_context> > > const&, unsigned int, unsigned int, double, int, int, int, bool, int, double, double, int, double, double, double, double, unsigned int, unsigned int, unsigned int, stan::callbacks::interrupt&, stan::callbacks::logger&, std::vector<stan::callbacks::writer, std::allocator<stan::callbacks::writer> >&, std::vector<stan::callbacks::unique_stream_writer<std::ostream>, std::allocator<stan::callbacks::unique_stream_writer<std::ostream> > >&, std::vector<stan::callbacks::unique_stream_writer<std::ostream>, std::allocator<stan::callbacks::unique_stream_writer<std::ostream> > >&) (/home/cameron/research/option-value-of-news/generative-model/stan/combined-model+0x159f4b4)
#3 0x5579ccc75e6e in cmdstan::command(int, char const**) (/home/cameron/research/option-value-of-news/generative-model/stan/combined-model+0x153fe6e)
#4 0x5579cc2ef245 in main (/home/cameron/research/option-value-of-news/generative-model/stan/combined-model+0xbb9245)
#5 0x7fa3cf63c28f (/usr/lib/libc.so.6+0x2328f)
#6 0x7fa3cf63c349 in __libc_start_main (/usr/lib/libc.so.6+0x23349)
#7 0x5579cc2efa14 in _start ../sysdeps/x86_64/start.S:115
0x7fa3cec11810 is located 16 bytes inside of 170944-byte region [0x7fa3cec11800,0x7fa3cec3b3c0)
allocated by thread T0 here:
#0 0x7fa3d04bfa89 in __interceptor_malloc /usr/src/debug/gcc/libsanitizer/asan/asan_malloc_linux.cpp:69
#1 0x5579cc3fd013 in Eigen::internal::aligned_malloc(unsigned long) (/home/cameron/research/option-value-of-news/generative-model/stan/combined-model+0xcc7013)
SUMMARY: AddressSanitizer: bad-free /usr/src/debug/gcc/libsanitizer/asan/asan_malloc_linux.cpp:52 in __interceptor_free
==2792681==ABORTING