root:
             product   file:plan.py
             product   step:./plan.py

file:plan.py
               state = CONFIRMED
             creator   root:
                sink   step:./plan.py

step:./plan.py
               state = SUCCEEDED
                need = PLAN
           using_env = STEPUP_PATH_FILTER [dynamic]
             creator   root:
              source   file:plan.py
             product   file:helper.py
             product   file:work.py
             product   step:./work.py plan --step-info=current_step_info.json

file:helper.py
               state = CONFIRMED
             creator   step:./plan.py
                sink   step:./work.py plan --step-info=current_step_info.json
                sink   step:./work.py run +7.0
                sink   step:./work.py run -- -5.0

file:work.py
               state = CONFIRMED
             creator   step:./plan.py
                sink   step:./work.py plan --step-info=current_step_info.json
                sink   step:./work.py run +7.0
                sink   step:./work.py run -- -5.0

step:./work.py plan --step-info=current_step_info.json
               state = SUCCEEDED
                need = PLAN
           using_env = STEPUP_PATH_FILTER [dynamic]
             creator   step:./plan.py
              source   file:helper.py [dynamic]
              source   file:work.py
             product   file:current_step_info.json
             product   step:./work.py run +7.0
             product   step:./work.py run -- -5.0
                sink   file:current_step_info.json

file:current_step_info.json
               state = BUILT
             creator   step:./work.py plan --step-info=current_step_info.json
              source   step:./work.py plan --step-info=current_step_info.json

step:./work.py run -- -5.0
               state = SUCCEEDED
                need = DEFAULT
           using_env = STEPUP_PATH_FILTER [dynamic]
             creator   step:./work.py plan --step-info=current_step_info.json
              source   file:helper.py [dynamic]
              source   file:work.py
             product   file:data-5.0.txt
                sink   file:data-5.0.txt

file:data-5.0.txt
               state = BUILT
             creator   step:./work.py run -- -5.0
              source   step:./work.py run -- -5.0

step:./work.py run +7.0
               state = SUCCEEDED
                need = DEFAULT
           using_env = STEPUP_PATH_FILTER [dynamic]
             creator   step:./work.py plan --step-info=current_step_info.json
              source   file:helper.py [dynamic]
              source   file:work.py
             product   file:data+7.0.txt
                sink   file:data+7.0.txt

file:data+7.0.txt
               state = BUILT
             creator   step:./work.py run +7.0
              source   step:./work.py run +7.0
