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:input_a.txt
             product   file:input_b.txt
             product   file:input_c.txt
             product   file:work.py
             product   step:./work.py plan '{}'

file:input_a.txt
               state = CONFIRMED
             creator   step:./plan.py
                sink   step:./work.py plan '{}'
                sink   step:./work.py run '{"inp": ["input_a.txt"], "out": ["output_a.txt"]}'

file:input_b.txt
               state = CONFIRMED
             creator   step:./plan.py
                sink   step:./work.py plan '{}'
                sink   step:./work.py run '{"inp": ["input_b.txt"], "out": ["output_b.txt"]}'

file:input_c.txt
               state = CONFIRMED
             creator   step:./plan.py
                sink   step:./work.py plan '{}'
                sink   step:./work.py run '{"inp": ["input_c.txt"], "out": ["output_c.txt"]}'

file:work.py
               state = CONFIRMED
             creator   step:./plan.py
                sink   step:./work.py plan '{}'
                sink   step:./work.py run '{"inp": ["input_a.txt"], "out": ["output_a.txt"]}'
                sink   step:./work.py run '{"inp": ["input_b.txt"], "out": ["output_b.txt"]}'
                sink   step:./work.py run '{"inp": ["input_c.txt"], "out": ["output_c.txt"]}'

step:./work.py plan '{}'
               state = SUCCEEDED
                need = PLAN
           using_env = STEPUP_PATH_FILTER [dynamic]
             creator   step:./plan.py
              source   file:input_a.txt [dynamic]
              source   file:input_b.txt [dynamic]
              source   file:input_c.txt [dynamic]
              source   file:work.py
             product   step:./work.py run '{"inp": ["input_a.txt"], "out": ["output_a.txt"]}'
             product   step:./work.py run '{"inp": ["input_b.txt"], "out": ["output_b.txt"]}'
             product   step:./work.py run '{"inp": ["input_c.txt"], "out": ["output_c.txt"]}'

step:./work.py run '{"inp": ["input_a.txt"], "out": ["output_a.txt"]}'
               state = SUCCEEDED
                need = DEFAULT
           using_env = STEPUP_PATH_FILTER [dynamic]
             creator   step:./work.py plan '{}'
              source   file:input_a.txt
              source   file:work.py
             product   file:output_a.txt
                sink   file:output_a.txt

file:output_a.txt
               state = BUILT
             creator   step:./work.py run '{"inp": ["input_a.txt"], "out": ["output_a.txt"]}'
              source   step:./work.py run '{"inp": ["input_a.txt"], "out": ["output_a.txt"]}'

step:./work.py run '{"inp": ["input_b.txt"], "out": ["output_b.txt"]}'
               state = SUCCEEDED
                need = DEFAULT
           using_env = STEPUP_PATH_FILTER [dynamic]
             creator   step:./work.py plan '{}'
              source   file:input_b.txt
              source   file:work.py
             product   file:output_b.txt
                sink   file:output_b.txt

file:output_b.txt
               state = BUILT
             creator   step:./work.py run '{"inp": ["input_b.txt"], "out": ["output_b.txt"]}'
              source   step:./work.py run '{"inp": ["input_b.txt"], "out": ["output_b.txt"]}'

step:./work.py run '{"inp": ["input_c.txt"], "out": ["output_c.txt"]}'
               state = SUCCEEDED
                need = DEFAULT
           using_env = STEPUP_PATH_FILTER [dynamic]
             creator   step:./work.py plan '{}'
              source   file:input_c.txt
              source   file:work.py
             product   file:output_c.txt
                sink   file:output_c.txt

file:output_c.txt
               state = BUILT
             creator   step:./work.py run '{"inp": ["input_c.txt"], "out": ["output_c.txt"]}'
              source   step:./work.py run '{"inp": ["input_c.txt"], "out": ["output_c.txt"]}'
