[difftest] segfault

run with

- module load synopsys/vc_static-V-2023.12
- nix develop --impure .#t1.blastoise.ip.vcs-emu
- pushd difftest && cargo build --release -p online_vcs && popd
- C-c exit build env

- nix run --impure .#vcs-fhs-env
- LD_PRELOAD=/nix/store/m71p7f0nymb19yn1dascklyya2i96jfw-glibc-2.39-52/lib/librt.so.1 LD_LIBRARY_PATH=/opt/synopsys/vc_static/V-2023.12/vcs-mx/linux64/lib/:$LD_LIBRARY_PATH ./difftest/target/release/online_vcs -daidir=/nix/store/b05gwv4l299k0ajvzvvkvc7fj8lkqzh8-blastoise-vcs/share/daidir

nix/pkgs/vcs-fhs-env.nix

@@ -23,13 +23,17 @@ buildFHSEnv {
     export PATH=${vcStaticInstallPath}/vcs-mx/bin:$PATH
     export PATH=${vcStaticInstallPath}/SG_COMPAT/SPYGLASS_HOME/bin:$PATH
 
+    export LD_LIBRARY_PATH=/usr/lib64/
     export LD_LIBRARY_PATH=${vcStaticInstallPath}/verdi/share/PLI/lib/LINUX64:$LD_LIBRARY_PATH
     export LD_LIBRARY_PATH=${vcStaticInstallPath}/verdi/share/NPI/lib/LINUX64:$LD_LIBRARY_PATH
   '';
   targetPkgs = (ps: with ps; [
     libGL
     util-linux
     libxcrypt-legacy
+    coreutils-full
+    ncurses5
+    gmp5
     bzip2
     glib
     bc