{
  "format": "automata-studio/workspace",
  "schema": 1,
  "app": "dev",
  "machine": "ITM",
  "config": {
    "twoWayTape": true,
    "sym": {
      "eps": "ε",
      "any": "Σ",
      "blank": "⊔",
      "leftMarker": "⊢",
      "rightMarker": "⊣",
      "stackBottom": "Z",
      "lambda": "λ"
    }
  },
  "sigma": [
    "1"
  ],
  "stackAlpha": [
    "1",
    "⊔"
  ],
  "outputAlpha": [],
  "tapeCount": 1,
  "states": [
    {
      "id": "s1",
      "name": "A",
      "x": 0,
      "y": 0
    },
    {
      "id": "s2",
      "name": "B",
      "x": 179,
      "y": 48
    },
    {
      "id": "s3",
      "name": "C",
      "x": 179,
      "y": -47
    }
  ],
  "transitions": [
    {
      "id": "t1",
      "from": "s1",
      "to": "s2",
      "symbol": "⊔",
      "write": "1",
      "dir": "L"
    },
    {
      "id": "t2",
      "from": "s1",
      "to": "s3",
      "symbol": "1",
      "write": "⊔",
      "dir": "R"
    },
    {
      "id": "t3",
      "from": "s2",
      "to": "s1",
      "symbol": "⊔",
      "write": "⊔",
      "dir": "R"
    },
    {
      "id": "t4",
      "from": "s3",
      "to": "s2",
      "symbol": "⊔",
      "write": "1",
      "dir": "L"
    },
    {
      "id": "t5",
      "from": "s3",
      "to": "s1",
      "symbol": "1",
      "write": "⊔",
      "dir": "L"
    }
  ],
  "startId": "s1",
  "accepts": [],
  "notes": [],
  "dividers": [],
  "blocks": [],
  "meta": {
    "title": "A halt nothing leads to",
    "blurb": "State B has no move for a 1, so reading one would stop it. Searching backwards from that configuration shows nothing it can ever reach leads there. Proof: backward reasoning.",
    "library": {
      "author": {
        "login": "thethinkmachine"
      },
      "license": "CC-BY-4.0",
      "tags": [
        "standard-format",
        "non-halting",
        "proof"
      ],
      "readme": "Standard format: 1LB0RC_0RA---_1LB0LA"
    }
  }
}