diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..cb9798d
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,40 @@
+name: Check the proofs
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.9'
+    - name: Install EasyCrypt dependencies
+      run: |
+        sudo apt-get update
+        sudo apt install -y opam cvc4 pkg-config libgmp-dev libpcre3-dev zlib1g-dev libmpfr-dev libppl-dev autoconf
+        pip install z3-solver==4.8.7 --break-system-packages
+    - name: Install EC deps (opam)
+      run: | 
+        opam init --disable-sandboxing
+        opam update
+        opam pin -y alt-ergo 2.4.2
+        opam pin -y why3 1.7.0
+        opam pin add -y easycrypt https://github.com/EasyCrypt/easycrypt.git#86db790a841b6a182a7efd67d39c86e5bbaceb1a --update-invariant
+        opam install -y easycrypt jasmin.2022.09.3 --update-invariant
+        opam install -y alt-ergo
+        opam install -y why3
+        eval $(opam env --switch=default)
+    - name: Check'em all
+      run: |
+        eval $(opam env --switch=default)
+        cd src/
+        bash ../script/checkall
\ No newline at end of file
diff --git a/justfile b/justfile
index 06d2bbe..6a0f9e5 100644
--- a/justfile
+++ b/justfile
@@ -5,7 +5,7 @@ build:
     @echo "Building the {{image}}."
     docker build -t {{image}} .
 
-xhost-docker: 
+xhost-docker:
     xhost +local:docker
 
 bash: build xhost-docker
@@ -26,4 +26,12 @@ emacs: build xhost-docker
         --mount type=bind,source=$(readlink -f ./src),target={{project_dir}} \
         --mount type=bind,source=$(readlink -f ./script),target=/tmp/script \
         -it {{image}} \
-        -c "cd /tmp/script; bash entrypoint.sh emacs-gtk"
\ No newline at end of file
+        -c "cd /tmp/script; bash entrypoint.sh emacs-gtk"
+
+test: build
+    docker run -h {{image}} \
+        --net=host \
+        --mount type=bind,source=$(readlink -f ./src),target={{project_dir}} \
+        --mount type=bind,source=$(readlink -f ./script),target=/tmp/script \
+        {{image}} \
+        -c "cd /tmp/script; bash test.sh"
diff --git a/script/checkall b/script/checkall
index 88b1063..4311ff1 100755
--- a/script/checkall
+++ b/script/checkall
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-timeout=20
+timeout=100000
 
 check() {
   echo checking $1;