<?xml version="1.0" encoding="UTF-8"?>
<osil xmlns="os.optimizationservices.org" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="os.optimizationservices.org http://www.optimizationservices.org/schemas/2.0/OSiL.xsd">
	<instanceHeader>
		<name>NanTest2</name>
		<description> A problem where the objective or the constraint always evaluates to NaN </description>
		<fileCreator>
			Horand Gassmann, Jun Ma and Kipp Martin
		</fileCreator>
		<licence>
			This file is licensed under the Eclipse Public License.
			Please see the accompanying LICENSE file in root directory for terms.
		</licence>
	</instanceHeader>
	<instanceData>
		<variables numberOfVariables="2">
			<var name="x0" ub = "1000"  />
			<var name="x1" ub = "1000" />
		</variables>
		<objectives numberOfObjectives="1">
			<obj name = "Objective Function" maxOrMin="min" numberOfObjCoef="0">
			</obj>
		</objectives>
		<constraints numberOfConstraints="1">
			<con ub="10.0"/>
		</constraints>
		<nonlinearExpressions numberOfNonlinearExpressions="2">
			<nl idx="-1">
				<ln>
					<minus>
						<plus> 
							<power>
								<variable coef="1.0" idx="0"/>
								<number type="real"  value="2.0"/>
							</power>
							<power>
								<variable coef="1.0" idx="1"/>
								<number type="real"  value="2.0"/>
							</power>
						</plus>
						<number type="real" value="1"/>
					</minus>
				</ln>
			</nl   >
			<nl idx="0">
				<ln>
					<minus>
						<number type="real" value="1"/>
						<plus> 
							<power>
								<variable coef="1.0" idx="0"/>
								<number type="real"  value="2.0"/>
							</power>
							<power>
								<variable coef="1.0" idx="1"/>
								<number type="real"  value="2.0"/>
							</power>
						</plus>
					</minus>
				</ln>
			</nl   >
		</nonlinearExpressions>
	</instanceData>
</osil>
