Kani

Add kani script instructions to book #48

	name: Kani

	on:
	workflow_dispatch:
	pull_request:
	branches: [ main ]
	push:
	paths:
	- 'library/**'
	- '.github/workflows/kani.yml'
	- 'scripts/run-kani.sh'

	defaults:
	run:
	shell: bash

	jobs:
	check-kani-on-std:
	name: Verify std library
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	include:
	- os: ubuntu-latest
	base: ubuntu
	- os: macos-latest
	base: macos
	steps:
	# Step 1: Check out the repository
	- name: Checkout Repository
	uses: actions/checkout@v4
	with:
	path: head
	submodules: true

	# Step 2: Run Kani on the std library (default configuration)
	- name: Run Kani Verification
	run: head/scripts/run-kani.sh --path ${{github.workspace}}/head

	test-kani-script:
	name: Test Kani script
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	include:
	- os: ubuntu-latest
	base: ubuntu
	- os: macos-latest
	base: macos
	steps:
	# Step 1: Check out the repository
	- name: Checkout Repository
	uses: actions/checkout@v4
	with:
	path: head
	submodules: true

	# Step 2: Test Kani verification script with specific arguments
	- name: Test Kani script (Custom Args)
	run: head/scripts/run-kani.sh -p ${{github.workspace}}/head --kani-args --harness ptr --output-format=terse

	# Step 3: Test Kani verification script in the repository directory
	- name: Test Kani script (In Repo Directory)
	working-directory: ${{github.workspace}}/head
	run: scripts/run-kani.sh --kani-args --harness ptr::verify::check_read_u128 --harness ptr --output-format=terse

Provide feedback