add logic/verification_loop.pl

logic/verification_loop.pl

@@ -0,0 +1,67 @@
+:- consult('sovereign_verification.pl').
+
+generate_problems(Intent, MathlibCtx, OperatorSig, OutputFile) :-
+    setup_call_cleanup(
+        open(OutputFile, write, Stream),
+        json_write_dict(Stream, _{
+            id:"demo-problem-1",
+            statement:Intent,
+            context:MathlibCtx,
+            tacticHint:"aesop",
+            meta:_{
+                source:"granite-4.1-verifier",
+                timestamp:"2026-07-14T00:00:00Z",
+                operatorSig:OperatorSig,
+                maxSteps:30,
+                allowedTactics:["rw","simp_all","norm_num","linarith","nlinarith","aesop","apply","exact","intro","obtain","cases","induction"]
+            }
+        }, [width(0)]),
+        close(Stream)
+    ).
+
+call_granite(InputFile, OutputFile) :-
+    setup_call_cleanup(
+        open(InputFile, read, In),
+        read_string(In, _, Content),
+        close(In)
+    ),
+    setup_call_cleanup(
+        open(OutputFile, write, Out),
+        format(Out, "{\"problemId\":\"demo-problem-1\",\"status\":\"proposed\",\"proofScript\":\"~w\",\"diagnostics\":[]}~n", [Content]),
+        close(Out)
+    ).
+
+parse_and_validate(JsonlFile, success(JsonlFile)).
+
+%% Shell out to `lake exe verify -- --parse <file>` and capture exit code.
+%% Requires SWI-Prolog shell/2. Lake must be on PATH or LAKE_BIN env set.
+execute_verification(JsonlFile, Result) :-
+    ( getenv('LAKE_BIN', Lake) -> true ; Lake = 'lake' ),
+    atomic_list_concat([Lake, ' exe verify -- --parse ', JsonlFile], Cmd),
+    ( shell(Cmd, 0) ->
+        Result = result(0, verified)
+    ;
+        Result = result(1, parse_failed)
+    ).
+
+verify_with_retries(Intent, OperatorSig, MaxRetries, FinalResult) :-
+    verify_loop(Intent, OperatorSig, 0, MaxRetries, FinalResult).
+
+verify_loop(Intent, OperatorSig, Attempt, MaxRetries, FinalResult) :-
+    Attempt < MaxRetries,
+    generate_problems(Intent, ["import Mathlib"], OperatorSig, 'input.jsonl'),
+    call_granite('input.jsonl', 'granite_response.jsonl'),
+    parse_and_validate('granite_response.jsonl', ParseRes),
+    ( ParseRes = success(_) ->
+        execute_verification('granite_response.jsonl', KernelResult),
+        ( KernelResult = result(0, _) ->
+            FinalResult = success(KernelResult)
+        ; NextAttempt is Attempt + 1,
+          verify_loop(Intent, OperatorSig, NextAttempt, MaxRetries, FinalResult)
+        )
+    ; NextAttempt is Attempt + 1,
+      verify_loop(Intent, OperatorSig, NextAttempt, MaxRetries, FinalResult)
+    ).
+
+verify_loop(_, _, Attempt, MaxRetries, fail(max_retries_exceeded)) :-
+    Attempt >= MaxRetries.