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Account for transformation time in model.solve #803

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Account for transformation time in model.solve #803

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5cf0e3d
Account for transformation time in model.solve
hbierlee Dec 9, 2025
96cf75d
Fix case where time limit is None
hbierlee Dec 9, 2025
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5 changes: 4 additions & 1 deletion cpmpy/model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
"""
import copy
import warnings
import time

import numpy as np

Expand Down Expand Up @@ -183,6 +184,7 @@ def solve(self, solver=None, time_limit=None, **kwargs):
- True if a solution is found (not necessarily optimal, e.g. could be after timeout)
- False if no solution is found
"""
start_time = time.time()
if kwargs and solver is None:
raise NotSupportedError("Specify the solver when using kwargs, since they are solver-specific!")

Expand All @@ -193,7 +195,8 @@ def solve(self, solver=None, time_limit=None, **kwargs):
s = SolverLookup.get(solver, self)

# call solver
ret = s.solve(time_limit=time_limit, **kwargs)
remaining_time_limit = None if time_limit is None else time_limit - (time.time() - start_time)
ret = s.solve(time_limit=remaining_time_limit, **kwargs)
# store CPMpy status (s object has no further use)
self.cpm_status = s.status()
return ret
Expand Down
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