42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
from ortools.constraint_solver import pywrapcp
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# Control-C test. Hit Control-C during execution of this program.
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def main():
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solver = pywrapcp.Solver("time limit test")
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n = 10
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x = [solver.IntVar(1, n, "x[%i]" % i) for i in range(n)]
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solver.Add(solver.AllDifferent(x, True))
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solution = solver.Assignment()
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solution.Add(x)
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db = solver.Phase(x,
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solver.CHOOSE_FIRST_UNBOUND,
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solver.ASSIGN_MIN_VALUE)
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time_limit = 2000
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branch_limit = 100000000
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failures_limit = 100000000
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solutions_limit = 10000000
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limits = (
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solver.Limit(
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time_limit, branch_limit, failures_limit, solutions_limit, True))
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search_log = solver.SearchLog(1000)
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assignment = solver.Assignment()
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assignment.Add(x)
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collector = solver.LastSolutionCollector(assignment)
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try:
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solver.Solve(db, [limits, search_log, collector])
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except KeyboardInterrupt:
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print("Control-C caught")
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print("failures:", solver.Failures())
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print("branches:", solver.Branches())
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print("wall_time:", solver.WallTime())
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if __name__ == "__main__":
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main()
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