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TerminationReason.md

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Symbols and Functions > WolframModel and WolframModelEvolutionObject > Properties >

Termination Reason

"TerminationReason" shows why the evaluation of the model was stopped. It's particularly useful if multiple stopping conditions are specified.

All possible values are:

  • "MaxEvents", "MaxGenerations", "MaxVertices", "MaxVertexDegree" and "MaxEdges" correspond directly to step limiters.
  • "FixedPoint" means there were no more matches possible to rule inputs.
  • "TimeConstraint" could occur if a "TimeConstraint" option is used.
  • "Aborted" would occur if the evaluation was manually interrupted (i.e., by pressing ⌘. on a Mac). In that case, a partially computed evolution object is returned.

As an example, in our arithmetic model a "FixedPoint" is reached (which is why we can use Infinity as the number of steps):

In[] := WolframModel[<|"PatternRules" -> {a_, b_} :> a + b|>,
  {3, 8, 8, 8, 2, 10, 0, 9, 7}, Infinity]["TerminationReason"]
Out[] = "FixedPoint"

And if we manually abort the evolution, we could get something like this:

In[] := WolframModel[{{1, 2, 3}, {4, 5, 6}, {1, 4}} ->
  {{2, 7, 8}, {5, 9, 10}, {6, 11, 12}, {13, 3, 14}, {8, 13}, {9,
    7}, {10, 12}, {14, 11}},
 {{1, 1, 1}, {1, 1, 1}, {1, 1}, {1, 1}, {1, 1}}, 100]
⌘.