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+# integer-boundaries
+
+Human review: pending. Expected output was independently traced by AI, not captured from cpsc.
+
+Basis: Project INTEGER=i64 contract; CIE pp. 7 and 15 do not specify bit width or overflow.
+
+Trace: Inputs are 2^63-1 and -2^63. Every operation stays in range; their sum is -1 and division by 1 preserves both values.