Files
ortools-clone/examples/tests/issue2.py
2012-03-28 14:23:23 +00:00

41 lines
1.1 KiB
Python

from constraint_solver import pywrapcp
# Control-C test. Hit Control-C during execution of this program.
def main():
solver = pywrapcp.Solver('time limit test')
n = 10
x = [solver.IntVar(1, n, 'x[%i]'%i) for i in range(n)]
solver.Add(solver.AllDifferent(x, True))
solution = solver.Assignment()
solution.Add(x)
db = solver.Phase(x,
solver.CHOOSE_FIRST_UNBOUND,
solver.ASSIGN_MIN_VALUE)
time_limit = 10000
branch_limit = 100000000
failures_limit = 100000000
solutions_limit = 10000000
limits = solver.Limit(time_limit, branch_limit, failures_limit, solutions_limit, True)
search_log = solver.SearchLog(1000)
assignment = solver.Assignment()
assignment.Add(x)
collector = solver.LastSolutionCollector(assignment)
try:
solver.Solve(db, [limits, search_log, collector])
except KeyboardInterrupt:
print "Control-C caught"
print
print "failures:", solver.failures()
print "branches:", solver.branches()
print "wall_time:", solver.wall_time()
if __name__ == '__main__':
main()