MODULES: lib1, main

STEP 0:
    libs: lib1, main
    dirty js: lib1, main
STEP 1:
    libs: lib1, main
    dirty js: lib1
STEP 2..3:
    libs: lib1, main
    dirty js: lib1, main
STEP 4..7:
    libs: lib1, main
    dirty js: lib1
STEP 8:
    libs: lib1, main
    dirty js: lib1, main
STEP 9:
    libs: lib1, main
    dirty js: lib1
STEP 10..11:
    libs: lib1, main
    dirty js: lib1, main