Use Qwen2.5 7B for stronger semantic predictions

README.md

@@ -17,6 +17,6 @@ This Space powers the “Try it yourself” panel on the
 It accepts a standard C* program, applies the selected benchmark intervention,
 loads the corresponding formal semantics from the
 [PLSemanticsBench dataset](https://huggingface.co/datasets/EngineeringSoftware/PLSemanticsBench),
-and runs `Qwen/Qwen2.5-Coder-3B-Instruct` on ZeroGPU.
+and runs `Qwen/Qwen2.5-7B-Instruct` on ZeroGPU.
 
 The named Gradio API endpoint is `/predict`.

app.py

@@ -18,7 +18,7 @@ from cstar import (
     build_predstate_prompt,
 )
 
-MODEL_ID = "Qwen/Qwen2.5-Coder-3B-Instruct"
+MODEL_ID = "Qwen/Qwen2.5-7B-Instruct"
 DEFAULT_PROGRAM = """int a;
 int b;
 int ans;