Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.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/Buildings 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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: "" <> buildModelFMU(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,fileNamePrefix="Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesSpecializedWaterTemperatureDependentDensity",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,fileNamePrefix="Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesSpecializedWaterTemperatureDependentDensity",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007787/0.0007784, allocations: 98.27 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.004704/0.004704, allocations: 169.9 kB / 16.27 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.362/1.362, allocations: 223.3 MB / 240.3 MB, free: 5.34 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.612/2.612, allocations: 462.6 MB / 0.7364 GB, free: 15.56 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0003472/0.0003472, allocations: 12.88 kB / 0.9029 GB, free: 36.34 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3102/0.3106, allocations: 159.6 MB / 1.059 GB, free: 4.887 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity): time 0.03241/0.343, allocations: 30.88 MB / 1.089 GB, free: 5.902 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.009077/0.3522, allocations: 5.324 MB / 1.094 GB, free: 0.5625 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001353/0.3535, allocations: 27.81 kB / 1.094 GB, free: 0.5352 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.001215/0.3548, allocations: 326.2 kB / 1.094 GB, free: 220 kB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.004428/0.3592, allocations: 1.313 MB / 1.096 GB, free: 14.9 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.002451/0.3617, allocations: 0.771 MB / 1.096 GB, free: 14.14 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.003933/0.3656, allocations: 2.849 MB / 1.099 GB, free: 11.28 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001185/0.3668, allocations: 0.5101 MB / 1.1 GB, free: 10.75 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002127/0.369, allocations: 0.6571 MB / 1.1 GB, free: 10.09 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001421/0.3704, allocations: 0.5365 MB / 1.101 GB, free: 9.555 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.0001771/0.3706, allocations: 20 kB / 1.101 GB, free: 9.535 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002864/0.3735, allocations: 1.15 MB / 1.102 GB, free: 8.383 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.000256/0.3738, allocations: 135.4 kB / 1.102 GB, free: 8.25 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.0005766/0.3743, allocations: 359.9 kB / 1.103 GB, free: 7.891 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.002673/0.377, allocations: 1.464 MB / 1.104 GB, free: 6.422 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 4.118e-06/0.377, allocations: 0 / 1.104 GB, free: 6.422 MB / 0.8575 GB Notification: Performance of FrontEnd: time 2.355e-06/0.3771, allocations: 0 / 1.104 GB, free: 6.422 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 3.28e-05/0.3771, allocations: 0 / 1.104 GB, free: 6.422 MB / 0.8575 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 0.002032/0.3791, allocations: 0.9658 MB / 1.105 GB, free: 5.406 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 5.954e-05/0.3792, allocations: 11.97 kB / 1.105 GB, free: 5.395 MB / 0.8575 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001324/0.3793, allocations: 86.7 kB / 1.105 GB, free: 5.301 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002427/0.3818, allocations: 279.7 kB / 1.105 GB, free: 5.027 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001345/0.3831, allocations: 0.6747 MB / 1.106 GB, free: 4.312 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.391e-05/0.3832, allocations: 33 kB / 1.106 GB, free: 4.281 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.93e-05/0.3833, allocations: 44 kB / 1.106 GB, free: 4.238 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009933/0.3843, allocations: 0.5204 MB / 1.107 GB, free: 3.68 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.973e-05/0.3843, allocations: 4 kB / 1.107 GB, free: 3.676 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.161e-05/0.3844, allocations: 23.94 kB / 1.107 GB, free: 3.652 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.765e-05/0.3844, allocations: 12 kB / 1.107 GB, free: 3.641 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006928/0.3851, allocations: 359.6 kB / 1.107 GB, free: 3.289 MB / 0.8575 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 0.002915/0.388, allocations: 2.834 MB / 1.11 GB, free: 228 kB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006144/0.3886, allocations: 302.9 kB / 1.11 GB, free: 15.91 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000247/0.3889, allocations: 150.1 kB / 1.11 GB, free: 15.76 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004822/0.3894, allocations: 0.6573 MB / 1.111 GB, free: 14.95 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.925e-05/0.3894, allocations: 35.27 kB / 1.111 GB, free: 14.91 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=28): time 1.894e-06/0.3894, allocations: 3.938 kB / 1.111 GB, free: 14.91 MB / 0.8731 GB Notification: Performance of matching and sorting (n=40): time 0.006371/0.3958, allocations: 2.097 MB / 1.113 GB, free: 12.73 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.867e-05/0.3959, allocations: 81.11 kB / 1.113 GB, free: 12.63 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007922/0.3967, allocations: 0.5147 MB / 1.113 GB, free: 12.11 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 3.887e-05/0.3967, allocations: 37.7 kB / 1.113 GB, free: 12.06 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002312/0.397, allocations: 328.3 kB / 1.114 GB, free: 11.73 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001468/0.3971, allocations: 141.9 kB / 1.114 GB, free: 11.59 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.472e-05/0.3972, allocations: 41.7 kB / 1.114 GB, free: 11.55 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001884/0.3974, allocations: 362.8 kB / 1.114 GB, free: 11.18 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003533/0.3978, allocations: 165 kB / 1.114 GB, free: 11.02 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004545/0.3982, allocations: 299.2 kB / 1.115 GB, free: 10.68 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008071/0.399, allocations: 475.2 kB / 1.115 GB, free: 10.18 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.653e-06/0.399, allocations: 0 / 1.115 GB, free: 10.18 MB / 0.8731 GB Notification: Performance of matching and sorting (n=55) (initialization): time 0.001844/0.4009, allocations: 0.7396 MB / 1.116 GB, free: 9.422 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001168/0.401, allocations: 180.3 kB / 1.116 GB, free: 9.199 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.446e-06/0.401, allocations: 7.938 kB / 1.116 GB, free: 9.191 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001043/0.4021, allocations: 285.5 kB / 1.116 GB, free: 8.906 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002852/0.4024, allocations: 71.84 kB / 1.116 GB, free: 8.836 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006415/0.4088, allocations: 4.325 MB / 1.121 GB, free: 4.246 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00108/0.4099, allocations: 87.83 kB / 1.121 GB, free: 4.16 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.431e-05/0.41, allocations: 15.98 kB / 1.121 GB, free: 4.145 MB / 0.8731 GB Notification: Performance of prepare postOptimizeDAE: time 8.055e-06/0.41, allocations: 7.938 kB / 1.121 GB, free: 4.137 MB / 0.8731 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001772/0.4118, allocations: 0.6536 MB / 1.121 GB, free: 3.477 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.32e-06/0.4118, allocations: 7.938 kB / 1.121 GB, free: 3.469 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009674/0.4127, allocations: 277.6 kB / 1.122 GB, free: 3.191 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002545/0.413, allocations: 71.84 kB / 1.122 GB, free: 3.121 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006102/0.4191, allocations: 4.335 MB / 1.126 GB, free: 14.52 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00106/0.4202, allocations: 83.83 kB / 1.126 GB, free: 14.44 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.138e-05/0.4202, allocations: 23.98 kB / 1.126 GB, free: 14.41 MB / 0.8887 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 0.0003631/0.4206, allocations: 281 kB / 1.126 GB, free: 14.13 MB / 0.8887 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000118/0.4208, allocations: 63.25 kB / 1.126 GB, free: 14.07 MB / 0.8887 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001808/0.4226, allocations: 0.671 MB / 1.127 GB, free: 13.39 MB / 0.8887 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.57e-06/0.4226, allocations: 4 kB / 1.127 GB, free: 13.38 MB / 0.8887 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.893e-06/0.4226, allocations: 4 kB / 1.127 GB, free: 13.38 MB / 0.8887 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001636/0.4242, allocations: 0.7489 MB / 1.128 GB, free: 12.57 MB / 0.8887 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003089/0.4273, allocations: 1.69 MB / 1.129 GB, free: 10.81 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.251e-06/0.4274, allocations: 4 kB / 1.129 GB, free: 10.81 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002274/0.4276, allocations: 55.91 kB / 1.129 GB, free: 10.75 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001016/0.4286, allocations: 257.5 kB / 1.13 GB, free: 10.5 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.771e-05/0.4287, allocations: 12.05 kB / 1.13 GB, free: 10.48 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005671/0.4344, allocations: 3.947 MB / 1.134 GB, free: 6.27 MB / 0.8887 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.366e-06/0.4344, allocations: 8.031 kB / 1.134 GB, free: 6.262 MB / 0.8887 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00214/0.4365, allocations: 0.9544 MB / 1.135 GB, free: 5.281 MB / 0.8887 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003078/0.4368, allocations: 188.4 kB / 1.135 GB, free: 5.078 MB / 0.8887 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.556e-05/0.4369, allocations: 12.06 kB / 1.135 GB, free: 5.066 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001024/0.438, allocations: 79.81 kB / 1.135 GB, free: 4.988 MB / 0.8887 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001068/0.4381, allocations: 35.89 kB / 1.135 GB, free: 4.953 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.126e-05/0.4381, allocations: 8 kB / 1.135 GB, free: 4.945 MB / 0.8887 GB Notification: Performance of sorting global known variables: time 0.0005649/0.4387, allocations: 370.8 kB / 1.135 GB, free: 4.586 MB / 0.8887 GB Notification: Performance of sort global known variables: time 1.6e-07/0.4387, allocations: 0 / 1.135 GB, free: 4.586 MB / 0.8887 GB Notification: Performance of remove unused functions: time 0.001603/0.4403, allocations: 415.9 kB / 1.136 GB, free: 4.18 MB / 0.8887 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 0.003037/0.4434, allocations: 1.674 MB / 1.137 GB, free: 2.48 MB / 0.8887 GB Notification: Performance of simCode: created initialization part: time 0.00321/0.4466, allocations: 1.359 MB / 1.139 GB, free: 1.07 MB / 0.8887 GB Notification: Performance of simCode: created event and clocks part: time 4.068e-06/0.4466, allocations: 0 / 1.139 GB, free: 1.07 MB / 0.8887 GB Notification: Performance of simCode: created simulation system equations: time 0.001338/0.4479, allocations: 0.5558 MB / 1.139 GB, free: 500 kB / 0.8887 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00187/0.4498, allocations: 350.9 kB / 1.139 GB, free: 152 kB / 0.8887 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01028/0.4601, allocations: 5.582 MB / 1.145 GB, free: 10.39 MB / 0.9044 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000629/0.4608, allocations: 0.9224 MB / 1.146 GB, free: 9.438 MB / 0.9044 GB Notification: Performance of simCode: alias equations: time 0.0006316/0.4614, allocations: 131.7 kB / 1.146 GB, free: 9.312 MB / 0.9044 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003175/0.4617, allocations: 215.3 kB / 1.146 GB, free: 9.102 MB / 0.9044 GB Notification: Performance of SimCode: time 7.41e-07/0.4617, allocations: 7.938 kB / 1.146 GB, free: 9.094 MB / 0.9044 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03922/0.501, allocations: 22.27 MB / 1.168 GB, free: 3.297 MB / 0.92 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002234/0.5012, allocations: 335.6 kB / 1.168 GB, free: 2.918 MB / 0.92 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.304/2.805, allocations: 2.953 kB / 1.168 GB, free: 2.918 MB / 0.92 GB (rm -f Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; mkfifo Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe >> ../files/Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity_res.mat --tempDir=temp_Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesSpecializedWaterTemperatureDependentDensity_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesSpecializedWaterTemperatureDependentDensity.fmu > Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe 2>&1)