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examples/seq_random_demo_spec.json

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+{
+  "kind": "sequential",
+  "clock": {
+    "name": "clk",
+    "period_ns": 10,
+    "initial": 0
+  },
+  "reset": {
+    "name": "rst",
+    "active": 1,
+    "cycles": 1
+  },
+  "inputs": [
+    {
+      "name": "din",
+      "width": 2
+    }
+  ],
+  "outputs": [
+    {
+      "name": "q",
+      "width": 2
+    }
+  ],
+  "max_cycles": 8,
+  "auto_stimulus": {
+    "enabled": true,
+    "start_cycle": 0,
+    "mode": "random",
+    "seed": 20260419
+  },
+  "assertions": [
+    {
+      "name": "reset_cycle0",
+      "cycle": 0,
+      "expect": {
+        "q": 0
+      }
+    },
+    {
+      "name": "q_range_guard",
+      "cycle": 1,
+      "expect": {
+        "q": {
+          "op": "le",
+          "value": 3
+        }
+      }
+    }
+  ]
+}