Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity") translateModel(IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00127/0.00127, allocations: 107.7 kB / 16.41 MB, free: 6.496 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001189/0.001189, allocations: 183 kB / 17.34 MB, free: 5.727 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.429/1.429, allocations: 222.9 MB / 241 MB, free: 15.13 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8498/0.8498, allocations: 135.2 MB / 426.4 MB, free: 4.078 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001973/0.001973, allocations: 72.64 kB / 0.5864 GB, free: 21.55 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1632/0.1652, allocations: 80.92 MB / 0.6654 GB, free: 5.699 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity): time 0.03608/0.2013, allocations: 31.56 MB / 0.6962 GB, free: 6.035 MB / 0.5294 GB Notification: Performance of NFInst.instExpressions: time 0.009427/0.2107, allocations: 5.332 MB / 0.7014 GB, free: 0.6836 MB / 0.5294 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001172/0.2119, allocations: 35.81 kB / 0.7015 GB, free: 0.6484 MB / 0.5294 GB Notification: Performance of NFTyping.typeComponents: time 0.001157/0.213, allocations: 409.4 kB / 0.7019 GB, free: 252 kB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.004006/0.217, allocations: 1.497 MB / 0.7033 GB, free: 14.74 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.002302/0.2193, allocations: 0.8465 MB / 0.7041 GB, free: 13.9 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.003195/0.2225, allocations: 2.143 MB / 0.7062 GB, free: 11.76 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008689/0.2234, allocations: 0.5276 MB / 0.7067 GB, free: 11.21 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002179/0.2256, allocations: 0.8168 MB / 0.7075 GB, free: 10.4 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009107/0.2265, allocations: 0.5561 MB / 0.7081 GB, free: 9.84 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 9.604e-05/0.2266, allocations: 56 kB / 0.7081 GB, free: 9.785 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002421/0.229, allocations: 1.217 MB / 0.7093 GB, free: 8.566 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.0002228/0.2292, allocations: 179.2 kB / 0.7095 GB, free: 8.391 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.0004893/0.2297, allocations: 386.1 kB / 0.7099 GB, free: 8.012 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.002612/0.2323, allocations: 1.53 MB / 0.7114 GB, free: 6.477 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 4.518e-06/0.2323, allocations: 0 / 0.7114 GB, free: 6.477 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.603e-06/0.2323, allocations: 0 / 0.7114 GB, free: 6.477 MB / 0.545 GB Notification: Performance of Transformations before backend: time 1.179e-05/0.2323, allocations: 0 / 0.7114 GB, free: 6.477 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 110 * Number of variables: 110 Notification: Performance of Generate backend data structure: time 0.001768/0.2341, allocations: 1.12 MB / 0.7125 GB, free: 5.305 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 3.637e-05/0.2341, allocations: 13.11 kB / 0.7125 GB, free: 5.293 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002368/0.2365, allocations: 276.1 kB / 0.7127 GB, free: 5.023 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001536/0.238, allocations: 0.7095 MB / 0.7134 GB, free: 4.273 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.141e-05/0.2381, allocations: 33 kB / 0.7135 GB, free: 4.242 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.508e-05/0.2382, allocations: 48 kB / 0.7135 GB, free: 4.195 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009634/0.2391, allocations: 0.5204 MB / 0.714 GB, free: 3.633 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.372e-05/0.2392, allocations: 7.984 kB / 0.714 GB, free: 3.625 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.096e-05/0.2392, allocations: 20 kB / 0.714 GB, free: 3.605 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.381e-05/0.2392, allocations: 12 kB / 0.7141 GB, free: 3.594 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007406/0.24, allocations: 355.7 kB / 0.7144 GB, free: 3.25 MB / 0.545 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 0.003465/0.2434, allocations: 2.842 MB / 0.7172 GB, free: 176 kB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006189/0.2441, allocations: 300.3 kB / 0.7175 GB, free: 15.86 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002774/0.2443, allocations: 146.9 kB / 0.7176 GB, free: 15.71 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006117/0.2449, allocations: 0.6573 MB / 0.7182 GB, free: 14.91 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.935e-05/0.245, allocations: 38.8 kB / 0.7183 GB, free: 14.86 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=28): time 2.174e-06/0.245, allocations: 0 / 0.7183 GB, free: 14.86 MB / 0.5606 GB Notification: Performance of matching and sorting (n=40): time 0.006772/0.2518, allocations: 2.092 MB / 0.7203 GB, free: 12.69 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.549e-05/0.2518, allocations: 89.05 kB / 0.7204 GB, free: 12.59 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008842/0.2527, allocations: 0.5341 MB / 0.7209 GB, free: 12.04 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 4.751e-05/0.2528, allocations: 37.7 kB / 0.721 GB, free: 12 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002806/0.253, allocations: 332.9 kB / 0.7213 GB, free: 11.67 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001653/0.2532, allocations: 142.8 kB / 0.7214 GB, free: 11.53 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001604/0.2534, allocations: 94.14 kB / 0.7215 GB, free: 11.43 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0002052/0.2536, allocations: 366.8 kB / 0.7218 GB, free: 11.06 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003996/0.254, allocations: 175 kB / 0.722 GB, free: 10.89 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004963/0.2545, allocations: 291.2 kB / 0.7223 GB, free: 10.55 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008715/0.2553, allocations: 475.2 kB / 0.7227 GB, free: 10.05 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.322e-06/0.2553, allocations: 3.938 kB / 0.7228 GB, free: 10.04 MB / 0.5606 GB Notification: Performance of matching and sorting (n=55) (initialization): time 0.001953/0.2573, allocations: 0.7364 MB / 0.7235 GB, free: 9.293 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 2.099e-05/0.2573, allocations: 9.719 kB / 0.7235 GB, free: 9.285 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.746e-06/0.2573, allocations: 4 kB / 0.7235 GB, free: 9.281 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001023/0.2583, allocations: 281.7 kB / 0.7238 GB, free: 9 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002949/0.2586, allocations: 67.89 kB / 0.7238 GB, free: 8.934 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007171/0.2658, allocations: 4.731 MB / 0.7284 GB, free: 3.926 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001128/0.2669, allocations: 63.98 kB / 0.7285 GB, free: 3.863 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.74e-05/0.267, allocations: 20 kB / 0.7285 GB, free: 3.844 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006491/0.2676, allocations: 333.1 kB / 0.7288 GB, free: 3.516 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004992/0.2681, allocations: 287.3 kB / 0.7291 GB, free: 3.188 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000877/0.269, allocations: 463.5 kB / 0.7295 GB, free: 2.691 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.515e-06/0.269, allocations: 3.938 kB / 0.7296 GB, free: 2.688 MB / 0.5606 GB Notification: Performance of matching and sorting (n=55) (initialization_lambda0): time 0.001935/0.271, allocations: 0.736 MB / 0.7303 GB, free: 1.938 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 1.529e-05/0.271, allocations: 4 kB / 0.7303 GB, free: 1.934 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.292e-06/0.271, allocations: 4 kB / 0.7303 GB, free: 1.93 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009939/0.272, allocations: 285.7 kB / 0.7306 GB, free: 1.645 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002683/0.2722, allocations: 67.95 kB / 0.7306 GB, free: 1.578 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006965/0.2792, allocations: 4.73 MB / 0.7352 GB, free: 12.57 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001115/0.2803, allocations: 75.8 kB / 0.7353 GB, free: 12.5 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.459e-05/0.2804, allocations: 16 kB / 0.7353 GB, free: 12.48 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * 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 (39): * Single equations (assignments): 37 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(2,8), (2,6)} Notification: Performance of prepare postOptimizeDAE: time 0.000215/0.2806, allocations: 204.5 kB / 0.7355 GB, free: 12.27 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001652/0.2807, allocations: 67.58 kB / 0.7356 GB, free: 12.21 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001868/0.2826, allocations: 0.6632 MB / 0.7362 GB, free: 11.54 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.901e-06/0.2826, allocations: 4 kB / 0.7362 GB, free: 11.53 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.409e-06/0.2826, allocations: 4.125 kB / 0.7362 GB, free: 11.53 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001643/0.2843, allocations: 0.7447 MB / 0.737 GB, free: 10.73 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003389/0.2877, allocations: 1.711 MB / 0.7386 GB, free: 8.945 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.577e-06/0.2877, allocations: 0 / 0.7386 GB, free: 8.945 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002378/0.2879, allocations: 51.97 kB / 0.7387 GB, free: 8.895 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009891/0.2889, allocations: 265.4 kB / 0.7389 GB, free: 8.629 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.698e-05/0.2889, allocations: 11.98 kB / 0.739 GB, free: 8.617 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006178/0.2951, allocations: 4.299 MB / 0.7431 GB, free: 4.039 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.533e-06/0.2951, allocations: 192 / 0.7431 GB, free: 4.039 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002258/0.2974, allocations: 0.9436 MB / 0.7441 GB, free: 3.07 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003009/0.2977, allocations: 188.6 kB / 0.7443 GB, free: 2.867 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.405e-05/0.2978, allocations: 7.984 kB / 0.7443 GB, free: 2.859 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009307/0.2987, allocations: 55.94 kB / 0.7443 GB, free: 2.805 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001079/0.2988, allocations: 36.02 kB / 0.7443 GB, free: 2.77 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.879e-05/0.2988, allocations: 15.98 kB / 0.7444 GB, free: 2.754 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0006613/0.2995, allocations: 390.7 kB / 0.7447 GB, free: 2.375 MB / 0.5762 GB Notification: Performance of sort global known variables: time 8e-08/0.2995, allocations: 0 / 0.7447 GB, free: 2.375 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.001608/0.3011, allocations: 419.7 kB / 0.7451 GB, free: 1.965 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 2 (vol.ports[1].h_outflow,vol1.ports[1].h_outflow) * 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 (28): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(2,6), (2,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007051/0.3018, allocations: 290.8 kB / 0.7454 GB, free: 1.676 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.003365/0.3052, allocations: 1.35 MB / 0.7467 GB, free: 280 kB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 3.717e-06/0.3052, allocations: 0 / 0.7467 GB, free: 280 kB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.3077/0.6129, allocations: 0.5319 MB / 0.7473 GB, free: 77.46 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00191/0.6148, allocations: 356.4 kB / 0.7476 GB, free: 77.45 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002393/0.6172, allocations: 1.277 MB / 0.7488 GB, free: 76.95 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000471/0.6176, allocations: 0.9191 MB / 0.7497 GB, free: 76.25 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002008/0.6178, allocations: 57 kB / 0.7498 GB, free: 76.24 MB / 0.5762 GB Notification: Performance of SimCode: time 1.152e-06/0.6178, allocations: 5.281 kB / 0.7498 GB, free: 76.24 MB / 0.5762 GB Notification: Performance of Templates: time 0.0282/0.646, allocations: 17.32 MB / 0.7667 GB, free: 71.25 MB / 0.5762 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.makefile (rm -f IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.sim & ./IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe 2>&1)