----------------------------------------
-- Stack trace at main.cc:110
----------------------------------------
0x7f4f67c06bc5 __libc_start_main
0x5043fd Workspace::immediate_execution(bool)
0x45868d Command::process_line()
0x4573b6 Command::process_line(UCS_string&)
0x461105 Executable::execute_body() const
0x4c8cd0 StateIndicator::run()
0x4822f1 Prefix::reduce_statements()
0x480bcb Prefix::reduce_RETC___()
0x4f3837 UserFunction::pop_local_vars() const
0x4d49b5 Symbol::pop(bool)
0x48366b PointerCell::release(char const*)
========================================
====================================================
Process apl exited abnormally with code 3