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num_escortees Crashed Trip Mode Choice #814

Description

@i-am-sijia

Describe the bug
The benchmarking run with full size MTC extended model crashed in trip mode choice in both Sharrow and non-Sharrow model, crashed in the same household, same trips.

Traced this household, it is crashed when trying to choose the trip modes for a school tour with 2 trips, the first trip is home-school and the second trip is school-home. The tour mode is DRIVEALONEFREE. Attaching relevant trip mode choice trace files.

trip_mode_choice_annotate_trips_preprocessor-fd6943.csv
expression_values-fd6943.csv
expression_value_DRIVEALONEFREE-fd6943.csv
choosers-fd6943.csv
raw_utilities-fd6943.csv

Two things seem odd:

  1. This 17-year old children has a highschool location that is 146 miles away from home. (home zone 1402, school zone 690). This is possibly some bug in the location choice, will open separate issues. This created -77 utils although it did not made the DRIVEALONE mode unavailable.
  2. The num_escortees is 1 and it made the DRIVEALONE mode unavailable. This variable is generated in the school escorting model.

To Reproduce
Steps to reproduce the behavior:

  1. Use main branch @ff3e96b.
  2. Run full size prototype mtc extended model with 100% household.

Expected behavior
Trip mode choice should not crash

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