def test_statistics():
"""
Test that a query generated from Maraboupy can be saved and loaded correctly and return sat
"""
ipq = MarabouCore.InputQuery()
ipq.setNumberOfVariables(1)
ipq.setLowerBound(0, -1)
ipq.setUpperBound(0, 1)
opt = createOptions(verbosity = 0) # Turn off printing
exitCode, vals, stats = MarabouCore.solve(ipq, opt, "")
assert(stats.getUnsignedAttribute(MarabouCore.StatisticsUnsignedAttribute.NUM_SPLITS) == 0)
assert(stats.getLongAttribute(MarabouCore.StatisticsLongAttribute.NUM_MAIN_LOOP_ITERATIONS) == 2)
assert(stats.getDoubleAttribute(MarabouCore.StatisticsDoubleAttribute.MAX_DEGRADATION) == 0)
def solve(self, filename="", timeout=0):
"""
Function to solve query represented by this network
Arguments:
filename: (string) path to redirect output to
Returns:
vals: (dict: int->float) empty if UNSAT, else the
satisfying assignment to the input and output variables
stats: (Statistics) the Statistics object as defined in Marabou
"""
options = createOptions(timeoutInSeconds=timeout)
vals, stats = MarabouCore.solve(self.ipq, options, filename)
assignment = []
if len(vals) > 0:
for i in range(self.ipq.getNumInputVariables()):
assignment.append("input {} = {}".format(
i, vals[self.ipq.inputVariableByIndex(i)]))
for i in range(self.ipq.getNumOutputVariables()):
assignment.append("Output {} = {}".format(
i, vals[self.ipq.outputVariableByIndex(i)]))
return [assignment, stats]
equation1 = MarabouCore.Equation()
equation1.addAddend(1, 0)
equation1.addAddend(-1, 1)
equation1.setScalar(0)
inputQuery.addEquation(equation1)
equation2 = MarabouCore.Equation()
equation2.addAddend(1, 0)
equation2.addAddend(1, 3)
equation2.setScalar(0)
inputQuery.addEquation(equation2)
equation3 = MarabouCore.Equation()
equation3.addAddend(1, 2)
equation3.addAddend(1, 4)
equation3.addAddend(-1, 5)
equation3.setScalar(0)
inputQuery.addEquation(equation3)
MarabouCore.addReluConstraint(inputQuery, 1, 2)
MarabouCore.addReluConstraint(inputQuery, 3, 4)
options = createOptions()
vars1, stats1 = MarabouCore.solve(inputQuery, options, "")
if len(vars1) > 0:
print("SAT")
print(vars1)
else:
print("UNSAT")
def test_dump_query():
network = define_network()
options = createOptions()
MarabouCore.solve(network, options, "")
network.dump()
def test_solve_partial_arguments():
network = define_network()
options = createOptions()
MarabouCore.solve(network, options)
# Supress warnings caused by tensorflow
import warnings
warnings.filterwarnings('ignore', category=DeprecationWarning)
warnings.filterwarnings('ignore', category=PendingDeprecationWarning)
import pytest
from maraboupy import MarabouCore
from maraboupy.Marabou import createOptions
# Global settings
OPT = createOptions(verbosity=0) # Turn off printing
LARGE = 100.0 # Large value for defining bounds
def test_solve_partial_arguments():
"""
This function tests that MarabouCore.solve can be called with partial arguments,
and checks that an UNSAT query is solved correctly.
"""
ipq = define_ipq(-2.0)
# Test partial arguments to solve
vals, stats = MarabouCore.solve(ipq, OPT)
# Assert that Marabou returned UNSAT
assert not stats.hasTimedOut()
assert len(vals) == 0
def test_dump_query():
"""
This function tests that MarabouCore.solve can be called with all arguments and