Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity") translateModel(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001156/0.001156, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001314/0.001314, allocations: 189.6 kB / 16.13 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.41/1.41, allocations: 222.9 MB / 239.8 MB, free: 4.613 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.969/2.969, allocations: 472.6 MB / 0.7447 GB, free: 4.969 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001258/0.001258, allocations: 71.47 kB / 0.9113 GB, free: 33.63 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3208/0.3221, allocations: 159.9 MB / 1.067 GB, free: 10.96 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity): time 0.03081/0.353, allocations: 31.6 MB / 1.098 GB, free: 11.25 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.008708/0.3617, allocations: 5.391 MB / 1.104 GB, free: 5.855 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00113/0.3629, allocations: 35.81 kB / 1.104 GB, free: 5.82 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.001256/0.3641, allocations: 326.2 kB / 1.104 GB, free: 5.5 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.003786/0.368, allocations: 1.318 MB / 1.105 GB, free: 4.176 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.00222/0.3702, allocations: 0.763 MB / 1.106 GB, free: 3.418 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.003266/0.3735, allocations: 2.845 MB / 1.109 GB, free: 0.5586 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008199/0.3743, allocations: 0.5273 MB / 1.109 GB, free: 20 kB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001329/0.3757, allocations: 0.6806 MB / 1.11 GB, free: 15.34 MB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009245/0.3766, allocations: 0.5521 MB / 1.11 GB, free: 14.78 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.0001295/0.3768, allocations: 32 kB / 1.111 GB, free: 14.75 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002401/0.3792, allocations: 1.142 MB / 1.112 GB, free: 13.61 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.0002127/0.3794, allocations: 147.4 kB / 1.112 GB, free: 13.46 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.0005276/0.3799, allocations: 354.2 kB / 1.112 GB, free: 13.11 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.002506/0.3824, allocations: 1.48 MB / 1.114 GB, free: 11.63 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 3.847e-06/0.3825, allocations: 4 kB / 1.114 GB, free: 11.62 MB / 0.8731 GB Notification: Performance of FrontEnd: time 8.32e-07/0.3825, allocations: 0 / 1.114 GB, free: 11.62 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 1.252e-05/0.3825, allocations: 0 / 1.114 GB, free: 11.62 MB / 0.8731 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 0.001593/0.3841, allocations: 1.098 MB / 1.115 GB, free: 10.47 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 4.327e-05/0.3841, allocations: 8.031 kB / 1.115 GB, free: 10.46 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002503/0.3866, allocations: 283.7 kB / 1.115 GB, free: 10.19 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001279/0.3879, allocations: 0.671 MB / 1.116 GB, free: 9.473 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.098e-05/0.388, allocations: 36.94 kB / 1.116 GB, free: 9.438 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.304e-05/0.3881, allocations: 48 kB / 1.116 GB, free: 9.391 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009164/0.389, allocations: 0.5204 MB / 1.116 GB, free: 8.836 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.98e-05/0.389, allocations: 4 kB / 1.116 GB, free: 8.832 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.301e-05/0.3891, allocations: 24 kB / 1.116 GB, free: 8.809 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.38e-05/0.3891, allocations: 8 kB / 1.116 GB, free: 8.801 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006907/0.3898, allocations: 359.7 kB / 1.117 GB, free: 8.449 MB / 0.8731 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 0.002986/0.3928, allocations: 2.822 MB / 1.119 GB, free: 5.395 MB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005391/0.3933, allocations: 313.9 kB / 1.12 GB, free: 5.07 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002512/0.3936, allocations: 146.1 kB / 1.12 GB, free: 4.922 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006712/0.3943, allocations: 0.6533 MB / 1.12 GB, free: 4.121 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.104e-05/0.3943, allocations: 47.25 kB / 1.12 GB, free: 4.066 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=28): time 1.893e-06/0.3943, allocations: 0 / 1.12 GB, free: 4.066 MB / 0.8731 GB Notification: Performance of matching and sorting (n=40): time 0.006734/0.4011, allocations: 2.078 MB / 1.122 GB, free: 1.906 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.211e-05/0.4012, allocations: 89.11 kB / 1.123 GB, free: 1.801 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007421/0.4019, allocations: 0.5146 MB / 1.123 GB, free: 1.277 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 4.002e-05/0.402, allocations: 41.64 kB / 1.123 GB, free: 1.23 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002616/0.4022, allocations: 320.4 kB / 1.123 GB, free: 0.9102 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001354/0.4024, allocations: 141.9 kB / 1.124 GB, free: 0.7695 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001553/0.4025, allocations: 90.16 kB / 1.124 GB, free: 0.6758 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001475/0.4027, allocations: 370.8 kB / 1.124 GB, free: 312 kB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003739/0.4031, allocations: 171 kB / 1.124 GB, free: 136 kB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004627/0.4035, allocations: 295.2 kB / 1.124 GB, free: 15.8 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008393/0.4044, allocations: 471.2 kB / 1.125 GB, free: 15.3 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.362e-06/0.4044, allocations: 8 kB / 1.125 GB, free: 15.29 MB / 0.8887 GB Notification: Performance of matching and sorting (n=55) (initialization): time 0.001863/0.4063, allocations: 0.7322 MB / 1.126 GB, free: 14.54 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 2.188e-05/0.4063, allocations: 9.875 kB / 1.126 GB, free: 14.54 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.025e-05/0.4063, allocations: 4 kB / 1.126 GB, free: 14.53 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001053/0.4074, allocations: 281.7 kB / 1.126 GB, free: 14.25 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002976/0.4077, allocations: 71.89 kB / 1.126 GB, free: 14.18 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006296/0.414, allocations: 4.319 MB / 1.13 GB, free: 9.594 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001136/0.4151, allocations: 79.83 kB / 1.13 GB, free: 9.516 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.894e-05/0.4152, allocations: 28.11 kB / 1.13 GB, free: 9.488 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005526/0.4158, allocations: 325.2 kB / 1.131 GB, free: 9.168 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004598/0.4162, allocations: 299.2 kB / 1.131 GB, free: 8.824 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007899/0.417, allocations: 467.5 kB / 1.131 GB, free: 8.324 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.508e-06/0.417, allocations: 4 kB / 1.131 GB, free: 8.32 MB / 0.8887 GB Notification: Performance of matching and sorting (n=55) (initialization_lambda0): time 0.001869/0.4189, allocations: 0.7397 MB / 1.132 GB, free: 7.566 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 1.237e-05/0.4189, allocations: 11.94 kB / 1.132 GB, free: 7.555 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.138e-06/0.419, allocations: 0 / 1.132 GB, free: 7.555 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009984/0.42, allocations: 277.7 kB / 1.132 GB, free: 7.277 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003001/0.4203, allocations: 67.91 kB / 1.132 GB, free: 7.211 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00608/0.4264, allocations: 4.313 MB / 1.137 GB, free: 2.633 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001147/0.4275, allocations: 83.81 kB / 1.137 GB, free: 2.551 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.698e-05/0.4276, allocations: 16 kB / 1.137 GB, free: 2.535 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 0.0001657/0.4277, allocations: 216.9 kB / 1.137 GB, free: 2.316 MB / 0.8887 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001542/0.4279, allocations: 63.23 kB / 1.137 GB, free: 2.254 MB / 0.8887 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001831/0.4297, allocations: 0.6607 MB / 1.138 GB, free: 1.582 MB / 0.8887 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.134e-06/0.4298, allocations: 4 kB / 1.138 GB, free: 1.578 MB / 0.8887 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.266e-06/0.4298, allocations: 7.938 kB / 1.138 GB, free: 1.57 MB / 0.8887 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001601/0.4314, allocations: 0.7489 MB / 1.138 GB, free: 0.7656 MB / 0.8887 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003185/0.4346, allocations: 1.702 MB / 1.14 GB, free: 14.99 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.125e-06/0.4346, allocations: 0 / 1.14 GB, free: 14.99 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002453/0.4348, allocations: 51.91 kB / 1.14 GB, free: 14.94 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001025/0.4359, allocations: 253.5 kB / 1.14 GB, free: 14.69 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.75e-05/0.4359, allocations: 15.98 kB / 1.14 GB, free: 14.67 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00563/0.4416, allocations: 3.927 MB / 1.144 GB, free: 10.48 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.853e-06/0.4416, allocations: 4.031 kB / 1.144 GB, free: 10.47 MB / 0.9044 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002223/0.4438, allocations: 0.9426 MB / 1.145 GB, free: 9.504 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003105/0.4442, allocations: 180.4 kB / 1.145 GB, free: 9.309 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001027/0.4443, allocations: 12 kB / 1.145 GB, free: 9.297 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001096/0.4454, allocations: 75.81 kB / 1.145 GB, free: 9.223 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001024/0.4455, allocations: 35.89 kB / 1.145 GB, free: 9.188 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.609e-05/0.4455, allocations: 16 kB / 1.145 GB, free: 9.172 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.0005472/0.4461, allocations: 366.8 kB / 1.146 GB, free: 8.816 MB / 0.9044 GB Notification: Performance of sort global known variables: time 4.61e-07/0.4461, allocations: 4 kB / 1.146 GB, free: 8.812 MB / 0.9044 GB Notification: Performance of remove unused functions: time 0.001573/0.4477, allocations: 411.9 kB / 1.146 GB, free: 8.41 MB / 0.9044 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 0.0006689/0.4483, allocations: 300.3 kB / 1.146 GB, free: 8.117 MB / 0.9044 GB Notification: Performance of simCode: created initialization part: time 0.003215/0.4516, allocations: 1.358 MB / 1.148 GB, free: 6.707 MB / 0.9044 GB Notification: Performance of simCode: created event and clocks part: time 3.426e-06/0.4516, allocations: 0 / 1.148 GB, free: 6.707 MB / 0.9044 GB Notification: Performance of simCode: created simulation system equations: time 0.001368/0.453, allocations: 0.5481 MB / 1.148 GB, free: 6.133 MB / 0.9044 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001975/0.4549, allocations: 348.6 kB / 1.149 GB, free: 5.797 MB / 0.9044 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003146/0.4581, allocations: 1.48 MB / 1.15 GB, free: 4.289 MB / 0.9044 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006967/0.4588, allocations: 0.93 MB / 1.151 GB, free: 3.332 MB / 0.9044 GB Notification: Performance of simCode: alias equations: time 0.0007682/0.4596, allocations: 135.3 kB / 1.151 GB, free: 3.199 MB / 0.9044 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000163/0.4598, allocations: 47.42 kB / 1.151 GB, free: 3.152 MB / 0.9044 GB Notification: Performance of SimCode: time 8.81e-07/0.4598, allocations: 0 / 1.151 GB, free: 3.152 MB / 0.9044 GB Notification: Performance of Templates: time 0.02976/0.4895, allocations: 17.46 MB / 1.168 GB, free: 1.898 MB / 0.92 GB make -j1 -f Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.makefile (rm -f Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; mkfifo Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; head -c 1048576 < Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe >> ../files/Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.sim & ./Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe 2>&1)