P12.c DiffT
Before 5211acfe95a0c6d82a60e2524b5e46b47fe67a3e
After bb35b941115a0a9f818e8512eebe67c29ee68355
Threshold: ZERO semantic mismatches to declared oracle; ZERO reducer mismatches; all mandatory head assertions PASS. Compare each stream and service/upstream channel independently; ignore only cross-channel arrival interleaving.

--- P12.c 5211acfe95a0c6d82a60e2524b5e46b47fe67a3e
+++ P12.c bb35b941115a0a9f818e8512eebe67c29ee68355
@@ -23,36 +23,40 @@
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-                "state": "open",
-                "title": "Fixture A",
-                "url": "https://github.com/proof-audit/status-fixture/pull/613"
-              }
-            }
+            "remote": null
           },
           "expectedPredicate": true,
-          "observedPredicate": false,
-          "outcome": "FAIL",
+          "observedPredicate": true,
+          "outcome": "PASS",
           "test": "held-A-discarded-B-null",
           "virtualTimeMs": 10000
         }
       ],
-      "branchProbeChannel": [],
+      "branchProbeChannel": [
+        {
+          "branch": "A",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "A",
+          "virtualTimeMs": 0
+        },
+        {
+          "branch": "A",
+          "virtualTimeMs": 10000
+        },
+        {
+          "branch": "B",
+          "virtualTimeMs": 10000
+        }
+      ],
       "checkpoints": [
         {
           "localReads": 1,
@@ -86,9 +90,34 @@
           "virtualTimeMs": 10000
         },
         {
-          "events": [],
+          "events": [
+            {
+              "_tag": "remoteUpdated",
+              "remote": null
+            },
+            {
+              "_tag": "localUpdated",
+              "local": {
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+                "workingTree": {
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+                  "files": [],
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+          ],
           "kind": "tick-outcome",
-          "localReadsOwned": 0,
+          "localReadsOwned": 1,
           "remoteReadsOwned": 1,
           "snapshot": {
             "_tag": "snapshot",
@@ -102,27 +131,14 @@
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-                "title": "Fixture A",
-                "url": "https://github.com/proof-audit/status-fixture/pull/613"
-              }
-            }
+            "remote": null
           },
           "variant": "held-switch",
           "virtualTimeMs": 10000
@@ -131,6 +147,12 @@
       "invalidationChannel": [
         {
           "kind": "invalidate-remote"
+        },
+        {
+          "kind": "invalidate-remote"
+        },
+        {
+          "kind": "invalidate-local"
         }
       ],
       "localReadChannel": [
@@ -154,6 +176,27 @@
           },
           "n": 1,
           "virtualTimeMs": 0
+        },
+        {
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+            "hasWorkingTreeChanges": false,
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+          "n": 2,
+          "virtualTimeMs": 10000
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       ],
       "mutations": [
@@ -214,51 +257,31 @@
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-                "state": "open",
-                "title": "Fixture A",
-                "url": "https://github.com/proof-audit/status-fixture/pull/613"
-              }
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-              "title": "Fixture A",
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@@ -452,6 +475,80 @@
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         },
         "virtualTimeMs": 0
+      },
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     ],
     "P12-held-switch/P12-held-switch/passive-1": [
@@ -520,6 +617,80 @@
           }
         },
         "virtualTimeMs": 0
+      },
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   }