5 schedule: '{ domain: "{ S_0[]; S_1[] }", child: { sequence: [ { filter: "{ S_0[] }"
6 }, { filter: "{ S_1[] }" } ] } }'
15 schedule: '{ S_0[] -> [0] }'
23 index: '{ S_0[] -> a[] }'
24 reference: __pet_ref_0
32 schedule: '{ S_1[] -> [1] }'
40 index: '{ S_1[] -> a[] }'
41 reference: __pet_ref_1