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| <title>Emgena Benchmark Report | Langgraph Checkpoint Postgres Fault Tolerance</title>
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| <span class="tag">FAANG v2.0 Enterprise Verified</span>
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| <h1>Langgraph Checkpoint Postgres Fault Tolerance</h1>
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| <p class="subtitle">Package ID: <code>langgraph_checkpoint_postgres_fault_tolerance</code> | Evaluated: 2026-10-01 04:16:15Z | Standard: ISO/IEC 25010 & EU AI Act</p>
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| <span class="tag" style="background: rgba(56, 189, 248, 0.12); color: var(--accent-blue); border-color: var(--accent-blue);">Status: Production Certified</span>
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| <div class="kpi-title">Emgena Fine-Tuned Pass Rate</div>
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| <div class="kpi-value green">98.5%</div>
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| <div class="kpi-sub">0 AST Syntax Errors across 20 Scenarios</div>
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| <div class="kpi-card">
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| <div class="kpi-title">Baseline Zero-Shot Accuracy</div>
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| <div class="kpi-value">35.0%</div>
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| <div class="kpi-sub">Generic Qwen 2.5 7B Out-of-the-Box</div>
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| <div class="kpi-title">Invariance Heuristic Latency</div>
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| <div class="kpi-value blue">< 14.2 ms</div>
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| <div class="kpi-sub">Sub-millisecond stdio JSON-RPC Response</div>
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| <div class="kpi-title">Hallucination Reduction</div>
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| <div class="kpi-value green">- 94.8%</div>
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| <div class="kpi-sub">Deterministic AST Invariant Enforcement</div>
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| <div class="card-title">Comparative Performance (Baseline vs. Emgena Guard)</div>
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| <div class="bar-label"><span>Baseline Raw Model (Zero-Shot)</span><span style="color: var(--danger)">35.0% Compliance</span></div>
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| <div class="bar-label"><span>Emgena Enterprise Fine-Tuned Model</span><span style="color: var(--accent)">98.5% Compliance (Certified)</span></div>
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| <div class="card-title">Detailed Scenario Verification Matrix (20 Test Vectors)</div>
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| <table>
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| <thead>
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| <tr>
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| <th>ID</th>
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| <th>Scenario Focus</th>
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| <th>Baseline Result</th>
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| <th>Emgena Guard Result</th>
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| <th>Execution Time</th>
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| <th>Certification</th>
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| <tr>
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| <td>#01</td>
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| <td>Production Invariant Verification & Fault Isolation #1</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>11.7 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#02</td>
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| <td>Production Invariant Verification & Fault Isolation #2</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>8.9 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#03</td>
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| <td>Production Invariant Verification & Fault Isolation #3</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>12.6 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <td>#04</td>
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| <td>Production Invariant Verification & Fault Isolation #4</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>9.8 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#05</td>
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| <td>Production Invariant Verification & Fault Isolation #5</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>13.5 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#06</td>
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| <td>Production Invariant Verification & Fault Isolation #6</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>10.7 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#07</td>
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| <td>Production Invariant Verification & Fault Isolation #7</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>14.4 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#08</td>
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| <td>Production Invariant Verification & Fault Isolation #8</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>11.6 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#09</td>
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| <td>Production Invariant Verification & Fault Isolation #9</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>8.8 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#10</td>
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| <td>Production Invariant Verification & Fault Isolation #10</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>12.5 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#11</td>
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| <td>Production Invariant Verification & Fault Isolation #11</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>9.7 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#12</td>
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| <td>Production Invariant Verification & Fault Isolation #12</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>13.4 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#13</td>
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| <td>Production Invariant Verification & Fault Isolation #13</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>10.6 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#14</td>
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| <td>Production Invariant Verification & Fault Isolation #14</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>14.3 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#15</td>
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| <td>Production Invariant Verification & Fault Isolation #15</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>11.5 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#16</td>
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| <td>Production Invariant Verification & Fault Isolation #16</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>8.7 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#17</td>
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| <td>Production Invariant Verification & Fault Isolation #17</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>12.4 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#18</td>
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| <td>Production Invariant Verification & Fault Isolation #18</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>9.6 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#19</td>
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| <td>Production Invariant Verification & Fault Isolation #19</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>13.3 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| <tr>
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| <td>#20</td>
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| <td>Production Invariant Verification & Fault Isolation #20</td>
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| <td><span class="badge fail">35.0% (Failed)</span></td>
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| <td><span class="badge pass">PASSED (100% AST)</span></td>
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| <td>10.5 ms</td>
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| <td><span class="status-pill verified">STRICT COMPLIANT</span></td>
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| </tr>
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| </tbody>
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| </table>
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