core: reproduce and fix a few mareco bugs

[eckter]

fixes #3200

[codecov]

Codecov Report

Merging #3327 (660ae0d) into dev (22a23a4) will not change coverage.
The diff coverage is 40.00%.

@@            Coverage Diff            @@
##                dev    #3327   +/-   ##
=========================================
  Coverage     66.87%   66.87%           
- Complexity     1875     1876    +1     
=========================================
  Files           396      396           
  Lines         19095    19095           
  Branches       1488     1488           
=========================================
  Hits          12769    12769           
  Misses         5650     5650           
  Partials        676      676           

Flag	Coverage Δ
core	79.18% <40.00%> (ø)

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Impacted Files	Coverage Δ
...pe_sim/allowances/AbstractAllowanceWithRanges.java	89.86% <25.00%> (ø)
.../envelope/part/constraints/EnvelopeConstraint.java	94.31% <100.00%> (ø)

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