Add CI job for optimization proofs

scripts/run_proofs.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -e
+
+REPO_ROOT="$(dirname "$0")"/..
+
+git fetch origin
+error=0
+for new_proof in $(git diff develop --name-only $REPO_ROOT/test/formal/)
+do
+	set +e
+	echo "Proving $new_proof..."
+	output=$(python "$REPO_ROOT/$new_proof")
+	result=$?
+	set -e
+
+	if [[ "$result" != 0 ]]
+	then
+		echo "Proof $(basename "$new_proof" ".py") failed: $output."
+		error=1
+	fi
+done
+
+if [[ "error" -eq 0 ]]
+then
+	echo "All proofs succeeded."
+fi
+
+exit $error