limit parallelism

Author: Amxx

.github/workflows/formal-verification.yml

@@ -64,7 +64,7 @@ jobs:
       - name: Verify specification
         run: |
           make -C certora apply
-          node certora/run.js ${{ steps.arguments.outputs.result }} >> "$GITHUB_STEP_SUMMARY"
+          node certora/run.js --parallel 1 ${{ steps.arguments.outputs.result }} >> "$GITHUB_STEP_SUMMARY"
         env:
           CERTORAKEY: ${{ secrets.CERTORAKEY }}