diff --git a/package-lock.json b/package-lock.json
index 2494028..fb37476 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "acmx",
-    "version": "0.2.9",
+    "version": "0.3.0-beta.0",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/src/primitives.ts b/src/primitives.ts
index 94f3ed0..598687a 100644
--- a/src/primitives.ts
+++ b/src/primitives.ts
@@ -6,7 +6,7 @@ import { readFileSync, existsSync } from "fs";
 export const ATTIC = "attic";
 export const TESTCASES = "testcases";
 export const LANGUAGES = "languages";
-export const FRIEND_TIMEOUT = 10_000;
+export const FRIEND_TIMEOUT = 50_000; //increase limit to allow wcmp to compile TODO: Allow checker to compile without time limit
 export const MAIN_SOLUTION_BINARY = "sol";
 export const CHECKER_BINARY = "checker";
 export const BRUTE_BINARY = "brute";
diff --git a/src/runner.ts b/src/runner.ts
index 73dd123..6c1e69a 100644
--- a/src/runner.ts
+++ b/src/runner.ts
@@ -84,9 +84,10 @@ export function preRun(
     path: string,
     timeout: number
 ): Option<Execution> {
-    debug("pre-run", code);
+    debug("pre-run", code, output, path, timeout); //add more debug
 
-    if (checkMD5(code, path)) {
+    // check if md5 is same and wcmp is already compiled
+    if (checkMD5(code, path) && existsSync(output)) {
         return Option.some(Execution.cached());
     }