mc_mem_region_t subregion1 = mc_get_region_hinted(member1, snapshot1, process_index, region1);
mc_mem_region_t subregion2 = mc_get_region_hinted(member2, snapshot2, process_index, region2);
res =
mc_mem_region_t subregion1 = mc_get_region_hinted(member1, snapshot1, process_index, region1);
mc_mem_region_t subregion2 = mc_get_region_hinted(member2, snapshot2, process_index, region2);
res =