add explicit fuzzing time

default.nix

@@ -34,8 +34,8 @@ runFuzz = run {
     derivName = "fuzzerResult";
     target = "fuzz_calc";
     buildDependencies = [afl];
-    checkCommand = "bash fuzz_seconds.sh ${fuzzCalc}/bin/fuzz_calc";
+    checkCommand = "bash fuzz_seconds.sh ${fuzzCalc}/bin/fuzz_calc 10";
     output = "out/*";
 };
 
-}
\ No newline at end of file
+}