USER_O=userprog.o
USER_H=libthreads.h libatomic.h
-MODEL_CC=libthreads.cc schedule.cc libatomic.cc model.cc malloc.c threads.cc tree.cc librace.cc action.cc main.cc
-MODEL_O=libthreads.o schedule.o libatomic.o model.o malloc.o threads.o tree.o librace.o action.o main.o
-MODEL_H=libthreads.h schedule.h common.h libatomic.h model.h threads.h tree.h librace.h action.h
+MODEL_CC=libthreads.cc schedule.cc libatomic.cc model.cc malloc.c threads.cc tree.cc librace.cc action.cc clockvector.cc main.cc
+MODEL_O=libthreads.o schedule.o libatomic.o model.o malloc.o threads.o tree.o librace.o action.o clockvector.o main.o
+MODEL_H=libthreads.h schedule.h common.h libatomic.h model.h threads.h tree.h librace.h action.h clockvector.h
CPPFLAGS=-Wall -g
LDFLAGS=-ldl