%%%%% CONFIGURATION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
:- module(extend, [mem/4,program_order/1,if_pair/1,lock_pair/1,synchro_order/1]).

mem(i1,t1,cr,v(0)).
mem(i2,t1,wr,x).
mem(i3,t1,wr,y).
mem(i4,t1,wr,z).

mem(i5,t1,re,x).
mem(i6,t1,wr,r3).
mem(i12,t1,re,x).
mem(i13,t1,wr,r1).
mem(i14,t1,re,r1).
mem(i15,t1,wr,y).

mem(i16,t2,re,y).
mem(i17,t2,wr,r2).
mem(i18,t2,re,r2).
mem(i19,t2,wr,x).

program_order([i1,i2,i3,i4,i5,i6,i12,i13,i14,i15]).
program_order([i4,i16,i17,i18,i19]).

if_pair([]).

lock_pair([]).

synchro_order([]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%