Environment: [
    k1 = ({}.k1 + {act_1}.k1),
    k2 = ({}.k2 + {act_2}.k2)
]
Initial Entities: {out_1, out_2}
Context: [k1, k2]
Reactions: (
    [{out_1}, {act_1}, {out_1}];
    [{req_1}, {act_1}, {req_1}];
    [{req_1,lock}, {}, {req_1}];
    [{req_1,act_2}, {}, {req_1}];
    [{in_1}, {act_1}, {in_1}];
    [{out_1,act_1}, {}, {req_1}];
    [{req_1,act_1}, {lock,act_2}, {in_1,lock}];
    [{in_1,act_1}, {}, {out_1,done}];
    [{out_2}, {act_2}, {out_2}];
    [{req_2}, {act_2}, {req_2}];
    [{req_2,lock}, {}, {req_2}];
    [{req_2,act_1}, {}, {req_2}];
    [{in_2}, {act_2}, {in_2}];
    [{out_2,act_2}, {}, {req_2}];
    [{req_2,act_2}, {lock,act_1}, {in_2,lock}];
    [{in_2,act_2}, {}, {out_2,done}];
    [{lock}, {done}, {lock}]
)