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 0.001847/0.001847, allocations: 107.6 kB / 16.41 MB, free: 6.449 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002052/0.002052, allocations: 189.2 kB / 17.34 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.411/1.411, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002575/0.002575, allocations: 288.9 kB / 291.5 MB, free: 14.46 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.022/1.022, allocations: 169.3 MB / 0.499 GB, free: 4.449 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002779/0.002779, allocations: 99.84 kB / 0.6821 GB, free: 6.957 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4495/0.4522, allocations: 86.98 MB / 0.7671 GB, free: 3.797 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Sensors.Examples.Density): time 0.2255/0.6777, allocations: 185.5 MB / 0.9482 GB, free: 9.57 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.01131/0.689, allocations: 6.991 MB / 0.9551 GB, free: 2.559 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001132/0.6901, allocations: 31.81 kB / 0.9551 GB, free: 2.527 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.00128/0.6914, allocations: 409.5 kB / 0.9555 GB, free: 2.125 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.004018/0.6954, allocations: 1.503 MB / 0.957 GB, free: 0.6172 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.4244/1.12, allocations: 1.17 MB / 0.9581 GB, free: 3.219 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.004784/1.125, allocations: 1.944 MB / 0.96 GB, free: 3.215 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001892/1.127, allocations: 0.5527 MB / 0.9605 GB, free: 3.176 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003338/1.13, allocations: 0.8521 MB / 0.9614 GB, free: 3.176 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002169/1.132, allocations: 0.6003 MB / 0.962 GB, free: 3.176 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 0.0001947/1.132, allocations: 67.28 kB / 0.962 GB, free: 3.176 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004865/1.137, allocations: 1.941 MB / 0.9639 GB, free: 3.176 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.0005355/1.138, allocations: 300.8 kB / 0.9642 GB, free: 3.176 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.0007653/1.138, allocations: 429.3 kB / 0.9646 GB, free: 3.176 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.004149/1.143, allocations: 1.774 MB / 0.9663 GB, free: 3.078 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 6.712e-06/1.143, allocations: 2.375 kB / 0.9664 GB, free: 3.078 MB / 0.7169 GB Notification: Performance of FrontEnd: time 1.903e-06/1.143, allocations: 3.094 kB / 0.9664 GB, free: 3.078 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 1.874e-05/1.143, allocations: 0 / 0.9664 GB, free: 3.078 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 0.002913/1.146, allocations: 1.188 MB / 0.9675 GB, free: 18.37 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 4.507e-05/1.146, allocations: 9.531 kB / 0.9675 GB, free: 18.37 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003214/1.149, allocations: 275.3 kB / 0.9678 GB, free: 18.32 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001528/1.15, allocations: 0.6135 MB / 0.9684 GB, free: 18.04 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.687e-05/1.15, allocations: 41.69 kB / 0.9684 GB, free: 18.04 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001276/1.15, allocations: 62.77 kB / 0.9685 GB, free: 18.04 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00143/1.152, allocations: 0.6374 MB / 0.9691 GB, free: 17.97 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.529e-05/1.152, allocations: 1.875 kB / 0.9691 GB, free: 17.97 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.542e-05/1.152, allocations: 20.42 kB / 0.9691 GB, free: 17.97 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.42e-05/1.152, allocations: 18.47 kB / 0.9691 GB, free: 17.97 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001226/1.153, allocations: 0.526 MB / 0.9697 GB, free: 17.96 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 0.004278/1.158, allocations: 2.464 MB / 0.9721 GB, free: 16.64 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008088/1.158, allocations: 349.8 kB / 0.9724 GB, free: 16.62 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004755/1.159, allocations: 218.9 kB / 0.9726 GB, free: 16.61 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007931/1.16, allocations: 306.6 kB / 0.9729 GB, free: 16.33 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.495e-05/1.16, allocations: 37.73 kB / 0.9729 GB, free: 16.29 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=39): time 3.347e-06/1.16, allocations: 3.875 kB / 0.9729 GB, free: 16.29 MB / 0.7325 GB Notification: Performance of matching and sorting (n=39): time 0.001852/1.162, allocations: 0.6181 MB / 0.9735 GB, free: 16.22 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.882e-05/1.162, allocations: 56.94 kB / 0.9736 GB, free: 16.16 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007144/1.162, allocations: 0.5002 MB / 0.9741 GB, free: 16.03 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 7.228e-05/1.162, allocations: 36.58 kB / 0.9741 GB, free: 16 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002529/1.163, allocations: 328.3 kB / 0.9744 GB, free: 15.84 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001357/1.163, allocations: 147.7 kB / 0.9746 GB, free: 15.75 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001808/1.163, allocations: 91.17 kB / 0.9747 GB, free: 15.73 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0002208/1.163, allocations: 365.7 kB / 0.975 GB, free: 15.41 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004219/1.164, allocations: 175.8 kB / 0.9752 GB, free: 15.41 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005061/1.164, allocations: 286.7 kB / 0.9755 GB, free: 15.3 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008904/1.165, allocations: 442.4 kB / 0.9759 GB, free: 15.22 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.789e-06/1.165, allocations: 2.906 kB / 0.9759 GB, free: 15.22 MB / 0.7325 GB Notification: Performance of matching and sorting (n=53) (initialization): time 0.001216/1.166, allocations: 0.5278 MB / 0.9764 GB, free: 15.15 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.004e-05/1.166, allocations: 10.48 kB / 0.9764 GB, free: 15.15 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.836e-06/1.166, allocations: 2.406 kB / 0.9764 GB, free: 15.15 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.232e-05/1.166, allocations: 3.312 kB / 0.9764 GB, free: 15.15 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000975/1.167, allocations: 130.2 kB / 0.9765 GB, free: 15.15 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005743/1.168, allocations: 0.5941 MB / 0.9771 GB, free: 14.56 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008375/1.169, allocations: 61.84 kB / 0.9772 GB, free: 14.54 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.358e-05/1.169, allocations: 19.03 kB / 0.9772 GB, free: 14.54 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007276/1.169, allocations: 350 kB / 0.9775 GB, free: 14.46 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000485/1.17, allocations: 283.4 kB / 0.9778 GB, free: 14.35 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008609/1.171, allocations: 451.1 kB / 0.9782 GB, free: 14.27 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.276e-06/1.171, allocations: 2.219 kB / 0.9782 GB, free: 14.27 MB / 0.7325 GB Notification: Performance of matching and sorting (n=53) (initialization_lambda0): time 0.001166/1.172, allocations: 0.5186 MB / 0.9787 GB, free: 14.2 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 1.349e-05/1.172, allocations: 8.406 kB / 0.9787 GB, free: 14.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.39e-06/1.172, allocations: 4.969 kB / 0.9787 GB, free: 14.2 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.127e-06/1.172, allocations: 4.844 kB / 0.9787 GB, free: 14.2 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000691/1.173, allocations: 117.4 kB / 0.9789 GB, free: 14.2 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.618e-06/1.173, allocations: 8.297 kB / 0.9789 GB, free: 14.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007868/1.173, allocations: 42.41 kB / 0.9789 GB, free: 14.18 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.823e-05/1.173, allocations: 20.69 kB / 0.9789 GB, free: 14.18 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 0.0002646/1.174, allocations: 208.5 kB / 0.9791 GB, free: 14 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001465/1.174, allocations: 65.28 kB / 0.9792 GB, free: 13.96 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001157/1.175, allocations: 494.8 kB / 0.9797 GB, free: 13.9 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.222e-06/1.175, allocations: 5.438 kB / 0.9797 GB, free: 13.9 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.293e-06/1.175, allocations: 6.656 kB / 0.9797 GB, free: 13.9 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001087/1.176, allocations: 0.7053 MB / 0.9804 GB, free: 13.46 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002644/1.179, allocations: 1.282 MB / 0.9816 GB, free: 13.08 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.33e-06/1.179, allocations: 0 / 0.9816 GB, free: 13.08 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008665/1.18, allocations: 124.5 kB / 0.9817 GB, free: 13.08 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.025e-05/1.18, allocations: 3.406 kB / 0.9817 GB, free: 13.08 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.584e-05/1.18, allocations: 14.17 kB / 0.9817 GB, free: 13.08 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005004/1.18, allocations: 0.5935 MB / 0.9823 GB, free: 12.5 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.761e-06/1.18, allocations: 6.656 kB / 0.9823 GB, free: 12.5 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001566/1.182, allocations: 0.7962 MB / 0.9831 GB, free: 12.27 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004428/1.182, allocations: 188.2 kB / 0.9833 GB, free: 12.14 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001151/1.182, allocations: 11.81 kB / 0.9833 GB, free: 12.13 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006293/1.183, allocations: 26.44 kB / 0.9833 GB, free: 12.13 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.681e-05/1.183, allocations: 26.3 kB / 0.9834 GB, free: 12.13 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.102e-05/1.183, allocations: 15.25 kB / 0.9834 GB, free: 12.13 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.0005427/1.184, allocations: 353.4 kB / 0.9837 GB, free: 12.04 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.2e-07/1.184, allocations: 3.719 kB / 0.9837 GB, free: 12.04 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.001533/1.185, allocations: 361.9 kB / 0.9841 GB, free: 12 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 0.0006287/1.186, allocations: 211.2 kB / 0.9843 GB, free: 11.9 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.001896/1.188, allocations: 0.639 MB / 0.9849 GB, free: 11.88 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 5.561e-06/1.188, allocations: 3.562 kB / 0.9849 GB, free: 11.88 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.0005408/1.188, allocations: 221.5 kB / 0.9851 GB, free: 11.88 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002439/1.191, allocations: 367.7 kB / 0.9854 GB, free: 11.83 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003086/1.194, allocations: 1.418 MB / 0.9868 GB, free: 11.24 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007832/1.195, allocations: 0.949 MB / 0.9878 GB, free: 10.54 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.000989/1.196, allocations: 206.2 kB / 0.988 GB, free: 10.53 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001917/1.196, allocations: 47.41 kB / 0.988 GB, free: 10.52 MB / 0.7325 GB Notification: Performance of SimCode: time 9.21e-07/1.196, allocations: 0.75 kB / 0.988 GB, free: 10.52 MB / 0.7325 GB Notification: Performance of Templates: time 0.02927/1.225, allocations: 12.55 MB / 1 GB, free: 9.832 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 -s cvode -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Sensors.Examples.Density.pipe 2>&1)