t=  0s progress=2061071
t= 10s progress=27101759
t= 20s progress=52184943
t= 30s progress=76594567
t= 40s progress=100698263
t= 50s progress=124464579
t= 60s progress=148673592
t= 70s progress=172719510
t= 80s progress=196960347
t= 90s progress=221210283
t=100s progress=245293295
t=110s progress=269337143
NO_STALL progress=290965533 in 120s