Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(BuildingSystems.Fluid.Sensors.Examples.Density,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density") translateModel(BuildingSystems.Fluid.Sensors.Examples.Density,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004429/0.004429, allocations: 97.27 kB / 15.73 MB, free: 5.602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001761/0.001761, allocations: 192.6 kB / 16.68 MB, free: 5.523 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.349/1.349, allocations: 222.9 MB / 240.4 MB, free: 14.96 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002168/0.002168, allocations: 295.7 kB / 290.8 MB, free: 14.45 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9549/0.9549, allocations: 169.3 MB / 0.4983 GB, free: 4.441 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001908/0.001908, allocations: 91.84 kB / 0.6815 GB, free: 6.988 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4503/0.4523, allocations: 86.99 MB / 0.7664 GB, free: 3.957 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Sensors.Examples.Density): time 0.1947/0.647, allocations: 185 MB / 0.9471 GB, free: 10.23 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.01024/0.6573, allocations: 6.987 MB / 0.9539 GB, free: 3.219 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009322/0.6583, allocations: 31.81 kB / 0.9539 GB, free: 3.188 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.00104/0.6593, allocations: 401.5 kB / 0.9543 GB, free: 2.793 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.00327/0.6627, allocations: 1.445 MB / 0.9557 GB, free: 1.344 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.002763/0.6654, allocations: 1.162 MB / 0.9569 GB, free: 188 kB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.4146/1.08, allocations: 1.941 MB / 0.9588 GB, free: 3.43 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00129/1.081, allocations: 0.6515 MB / 0.9594 GB, free: 3.375 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001929/1.083, allocations: 0.8257 MB / 0.9602 GB, free: 3.375 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001267/1.085, allocations: 0.5996 MB / 0.9608 GB, free: 3.371 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 0.0001103/1.085, allocations: 68.41 kB / 0.9609 GB, free: 3.371 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0039/1.089, allocations: 1.929 MB / 0.9627 GB, free: 3.371 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.0004045/1.089, allocations: 290 kB / 0.963 GB, free: 3.371 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.0005396/1.09, allocations: 431.9 kB / 0.9634 GB, free: 3.371 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.003265/1.093, allocations: 1.777 MB / 0.9652 GB, free: 3.273 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 4.539e-06/1.093, allocations: 0.8125 kB / 0.9652 GB, free: 3.273 MB / 0.7169 GB Notification: Performance of FrontEnd: time 1.353e-06/1.093, allocations: 0 / 0.9652 GB, free: 3.273 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 1.076e-05/1.093, allocations: 0.5312 kB / 0.9652 GB, free: 3.273 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 131 * Number of variables: 131 Notification: Performance of Generate backend data structure: time 0.00183/1.095, allocations: 1.201 MB / 0.9663 GB, free: 18.56 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 3.923e-05/1.095, allocations: 9.094 kB / 0.9664 GB, free: 18.56 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001801/1.097, allocations: 271.6 kB / 0.9666 GB, free: 18.52 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008927/1.098, allocations: 0.6133 MB / 0.9672 GB, free: 18.24 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.421e-05/1.098, allocations: 42.47 kB / 0.9673 GB, free: 18.24 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.82e-05/1.098, allocations: 59.23 kB / 0.9673 GB, free: 18.23 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009917/1.099, allocations: 0.6376 MB / 0.9679 GB, free: 18.16 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.834e-05/1.099, allocations: 1.875 kB / 0.9679 GB, free: 18.16 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.057e-05/1.099, allocations: 23.22 kB / 0.968 GB, free: 18.16 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.512e-05/1.099, allocations: 21.2 kB / 0.968 GB, free: 18.16 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008127/1.1, allocations: 0.5195 MB / 0.9685 GB, free: 18.16 MB / 0.7325 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002532/1.102, allocations: 2.459 MB / 0.9709 GB, free: 16.84 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005616/1.103, allocations: 363.3 kB / 0.9712 GB, free: 16.82 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000351/1.103, allocations: 234.2 kB / 0.9715 GB, free: 16.81 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005794/1.104, allocations: 309.2 kB / 0.9717 GB, free: 16.53 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.452e-05/1.104, allocations: 39.97 kB / 0.9718 GB, free: 16.49 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=39): time 1.683e-06/1.104, allocations: 1.203 kB / 0.9718 GB, free: 16.49 MB / 0.7325 GB Notification: Performance of matching and sorting (n=39): time 0.001282/1.105, allocations: 0.6153 MB / 0.9724 GB, free: 16.42 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.683e-05/1.105, allocations: 61.34 kB / 0.9724 GB, free: 16.36 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005476/1.106, allocations: 0.4935 MB / 0.9729 GB, free: 16.23 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 4.214e-05/1.106, allocations: 36.11 kB / 0.973 GB, free: 16.2 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002176/1.106, allocations: 328.2 kB / 0.9733 GB, free: 16.04 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.000107/1.106, allocations: 149.9 kB / 0.9734 GB, free: 15.94 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001433/1.106, allocations: 92.61 kB / 0.9735 GB, free: 15.92 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001747/1.106, allocations: 363.7 kB / 0.9739 GB, free: 15.61 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003149/1.107, allocations: 176.1 kB / 0.974 GB, free: 15.6 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003573/1.107, allocations: 278.3 kB / 0.9743 GB, free: 15.5 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006164/1.108, allocations: 459.4 kB / 0.9747 GB, free: 15.41 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.906e-06/1.108, allocations: 0 / 0.9747 GB, free: 15.41 MB / 0.7325 GB Notification: Performance of matching and sorting (n=53) (initialization): time 0.0007842/1.108, allocations: 0.5277 MB / 0.9752 GB, free: 15.34 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 1.494e-05/1.109, allocations: 6 kB / 0.9752 GB, free: 15.34 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.723e-06/1.109, allocations: 2.812 kB / 0.9752 GB, free: 15.34 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.881e-05/1.109, allocations: 8.688 kB / 0.9753 GB, free: 15.34 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000618/1.109, allocations: 125.4 kB / 0.9754 GB, free: 15.34 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003462/1.11, allocations: 0.5962 MB / 0.976 GB, free: 14.76 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004699/1.11, allocations: 54.56 kB / 0.976 GB, free: 14.73 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.747e-05/1.11, allocations: 18.33 kB / 0.976 GB, free: 14.73 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000438/1.111, allocations: 352.8 kB / 0.9764 GB, free: 14.65 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003414/1.111, allocations: 283 kB / 0.9766 GB, free: 14.55 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005949/1.111, allocations: 455.4 kB / 0.9771 GB, free: 14.46 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.124e-06/1.111, allocations: 2.969 kB / 0.9771 GB, free: 14.46 MB / 0.7325 GB Notification: Performance of matching and sorting (n=53) (initialization_lambda0): time 0.0007414/1.112, allocations: 0.5143 MB / 0.9776 GB, free: 14.39 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 7.664e-06/1.112, allocations: 9.141 kB / 0.9776 GB, free: 14.39 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.449e-06/1.112, allocations: 7.719 kB / 0.9776 GB, free: 14.39 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.689e-06/1.112, allocations: 4.531 kB / 0.9776 GB, free: 14.39 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004443/1.113, allocations: 118.6 kB / 0.9777 GB, free: 14.39 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.739e-06/1.113, allocations: 5.531 kB / 0.9777 GB, free: 14.39 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004375/1.113, allocations: 44.8 kB / 0.9778 GB, free: 14.38 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.121e-05/1.113, allocations: 16.91 kB / 0.9778 GB, free: 14.38 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (53): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001466/1.113, allocations: 207.9 kB / 0.978 GB, free: 14.2 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.733e-05/1.113, allocations: 64.34 kB / 0.978 GB, free: 14.16 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007719/1.114, allocations: 0.4937 MB / 0.9785 GB, free: 14.1 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.042e-06/1.114, allocations: 6.062 kB / 0.9785 GB, free: 14.1 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.649e-06/1.114, allocations: 0 / 0.9785 GB, free: 14.1 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0007265/1.115, allocations: 0.6976 MB / 0.9792 GB, free: 13.66 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001625/1.117, allocations: 1.283 MB / 0.9805 GB, free: 13.29 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.477e-06/1.117, allocations: 3.281 kB / 0.9805 GB, free: 13.29 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005544/1.117, allocations: 123.6 kB / 0.9806 GB, free: 13.29 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.148e-06/1.117, allocations: 3.344 kB / 0.9806 GB, free: 13.29 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.072e-05/1.117, allocations: 12.59 kB / 0.9806 GB, free: 13.29 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002809/1.118, allocations: 0.5973 MB / 0.9812 GB, free: 12.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.813e-06/1.118, allocations: 0.8125 kB / 0.9812 GB, free: 12.7 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009858/1.119, allocations: 0.8061 MB / 0.982 GB, free: 12.46 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002024/1.119, allocations: 179.9 kB / 0.9821 GB, free: 12.34 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.869e-05/1.119, allocations: 17.39 kB / 0.9821 GB, free: 12.33 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003848/1.119, allocations: 22.67 kB / 0.9822 GB, free: 12.33 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.359e-05/1.119, allocations: 28.94 kB / 0.9822 GB, free: 12.33 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.839e-05/1.119, allocations: 20.14 kB / 0.9822 GB, free: 12.33 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.0003231/1.12, allocations: 351.7 kB / 0.9826 GB, free: 12.24 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.4e-07/1.12, allocations: 1.062 kB / 0.9826 GB, free: 12.24 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.0008075/1.12, allocations: 362.7 kB / 0.9829 GB, free: 12.2 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 4 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.m,senDenFlo.d) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (39): * Single equations (assignments): 38 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0004254/1.121, allocations: 211 kB / 0.9831 GB, free: 12.1 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.00119/1.122, allocations: 0.6766 MB / 0.9838 GB, free: 12.09 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 2.695e-06/1.122, allocations: 0 / 0.9838 GB, free: 12.09 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.0003543/1.122, allocations: 225 kB / 0.984 GB, free: 12.09 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001462/1.124, allocations: 361.2 kB / 0.9843 GB, free: 12.04 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001887/1.126, allocations: 1.416 MB / 0.9857 GB, free: 11.45 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004574/1.126, allocations: 0.9461 MB / 0.9866 GB, free: 10.75 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.000539/1.127, allocations: 210.5 kB / 0.9868 GB, free: 10.73 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001205/1.127, allocations: 48.5 kB / 0.9869 GB, free: 10.73 MB / 0.7325 GB Notification: Performance of SimCode: time 2.8e-07/1.127, allocations: 2.531 kB / 0.9869 GB, free: 10.73 MB / 0.7325 GB Notification: Performance of Templates: time 0.01785/1.145, allocations: 12.48 MB / 0.9991 GB, free: 10.07 MB / 0.7325 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density.sim & ./BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density.pipe 2>&1)