Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 10.1.0-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/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_10_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesSpecializedWaterTemperatureDependentDensity",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity,fileNamePrefix="Buildings_10_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 0.001009/0.001009, allocations: 91.38 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.008388/0.008388, allocations: 171.7 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.482/1.482, allocations: 223.3 MB / 240.3 MB, free: 5.328 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/package.mo): time 2.563/2.563, allocations: 437.8 MB / 0.7121 GB, free: 6.875 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.0003461/0.000346, allocations: 8 kB / 0.8729 GB, free: 3.172 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6959/0.6963, allocations: 153.8 MB / 1.023 GB, free: 15.8 MB / 0.7794 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity): time 0.03257/0.7289, allocations: 30.87 MB / 1.053 GB, free: 0.8203 MB / 0.795 GB Notification: Performance of NFInst.instExpressions: time 0.00906/0.738, allocations: 5.318 MB / 1.058 GB, free: 11.49 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001371/0.7394, allocations: 31.75 kB / 1.059 GB, free: 11.46 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.001252/0.7407, allocations: 330.2 kB / 1.059 GB, free: 11.13 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 0.004155/0.7448, allocations: 1.314 MB / 1.06 GB, free: 9.812 MB / 0.8106 GB Notification: Performance of NFTyping.typeClassSections: time 0.00228/0.7471, allocations: 0.762 MB / 1.061 GB, free: 9.059 MB / 0.8106 GB Notification: Performance of NFFlatten.flatten: time 0.003444/0.7506, allocations: 2.857 MB / 1.064 GB, free: 6.195 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009924/0.7516, allocations: 0.4965 MB / 1.064 GB, free: 5.684 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001496/0.7531, allocations: 0.6532 MB / 1.065 GB, free: 5.027 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001015/0.7541, allocations: 0.5404 MB / 1.065 GB, free: 4.484 MB / 0.8106 GB Notification: Performance of NFPackage.collectConstants: time 0.0001398/0.7543, allocations: 24 kB / 1.065 GB, free: 4.461 MB / 0.8106 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002604/0.7569, allocations: 1.146 MB / 1.066 GB, free: 3.312 MB / 0.8106 GB Notification: Performance of NFScalarize.scalarize: time 0.0002787/0.7572, allocations: 139.4 kB / 1.067 GB, free: 3.176 MB / 0.8106 GB Notification: Performance of NFVerifyModel.verify: time 0.000693/0.7579, allocations: 367.8 kB / 1.067 GB, free: 2.809 MB / 0.8106 GB Notification: Performance of NFConvertDAE.convert: time 0.002925/0.7608, allocations: 1.457 MB / 1.068 GB, free: 1.348 MB / 0.8106 GB Notification: Performance of FrontEnd - DAE generated: time 5.15e-06/0.7608, allocations: 0 / 1.068 GB, free: 1.348 MB / 0.8106 GB Notification: Performance of FrontEnd: time 1.894e-06/0.7608, allocations: 4 kB / 1.068 GB, free: 1.344 MB / 0.8106 GB Notification: Performance of Transformations before backend: time 3.658e-05/0.7609, allocations: 0 / 1.068 GB, free: 1.344 MB / 0.8106 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 0.001737/0.7626, allocations: 0.9658 MB / 1.069 GB, free: 336 kB / 0.8106 GB Notification: Performance of prepare preOptimizeDAE: time 4.909e-05/0.7627, allocations: 12.03 kB / 1.069 GB, free: 324 kB / 0.8106 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001374/0.7628, allocations: 82.72 kB / 1.069 GB, free: 232 kB / 0.8106 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002396/0.7652, allocations: 287.7 kB / 1.07 GB, free: 15.95 MB / 0.8262 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001312/0.7666, allocations: 0.6747 MB / 1.07 GB, free: 15.23 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.144e-05/0.7666, allocations: 33 kB / 1.07 GB, free: 15.2 MB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.281e-05/0.7667, allocations: 44 kB / 1.07 GB, free: 15.16 MB / 0.8262 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000904/0.7676, allocations: 0.5282 MB / 1.071 GB, free: 14.59 MB / 0.8262 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.737e-05/0.7676, allocations: 0 / 1.071 GB, free: 14.59 MB / 0.8262 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.84e-05/0.7677, allocations: 16 kB / 1.071 GB, free: 14.57 MB / 0.8262 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.352e-05/0.7677, allocations: 12 kB / 1.071 GB, free: 14.56 MB / 0.8262 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006981/0.7684, allocations: 367.7 kB / 1.071 GB, free: 14.2 MB / 0.8262 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 0.003123/0.7715, allocations: 2.818 MB / 1.074 GB, free: 11.15 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005618/0.7721, allocations: 308.3 kB / 1.074 GB, free: 10.83 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002637/0.7724, allocations: 142.1 kB / 1.074 GB, free: 10.69 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005188/0.7729, allocations: 0.6573 MB / 1.075 GB, free: 9.883 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.036e-05/0.773, allocations: 43.39 kB / 1.075 GB, free: 9.832 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=28): time 3.667e-06/0.773, allocations: 0 / 1.075 GB, free: 9.832 MB / 0.8262 GB Notification: Performance of matching and sorting (n=40): time 0.006744/0.7797, allocations: 2.088 MB / 1.077 GB, free: 7.664 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.867e-05/0.7798, allocations: 85.09 kB / 1.077 GB, free: 7.562 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008004/0.7806, allocations: 0.5223 MB / 1.078 GB, free: 7.031 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 5.139e-05/0.7807, allocations: 33.7 kB / 1.078 GB, free: 6.992 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002517/0.7809, allocations: 324.4 kB / 1.078 GB, free: 6.668 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001395/0.7811, allocations: 141.9 kB / 1.078 GB, free: 6.527 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.895e-05/0.7811, allocations: 45.64 kB / 1.078 GB, free: 6.477 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 0.0001628/0.7813, allocations: 366.8 kB / 1.079 GB, free: 6.109 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003795/0.7817, allocations: 165 kB / 1.079 GB, free: 5.949 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004688/0.7822, allocations: 295.2 kB / 1.079 GB, free: 5.613 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008601/0.7831, allocations: 467.5 kB / 1.08 GB, free: 5.113 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.966e-06/0.7831, allocations: 3.938 kB / 1.08 GB, free: 5.109 MB / 0.8262 GB Notification: Performance of matching and sorting (n=55) (initialization): time 0.001912/0.785, allocations: 0.7436 MB / 1.08 GB, free: 4.352 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 0.00013/0.7851, allocations: 188.5 kB / 1.08 GB, free: 4.121 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.023e-05/0.7851, allocations: 4 kB / 1.08 GB, free: 4.117 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001072/0.7862, allocations: 285.4 kB / 1.081 GB, free: 3.832 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002992/0.7865, allocations: 63.91 kB / 1.081 GB, free: 3.77 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006554/0.7931, allocations: 4.335 MB / 1.085 GB, free: 15.17 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001223/0.7943, allocations: 79.83 kB / 1.085 GB, free: 15.09 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.686e-05/0.7944, allocations: 23.98 kB / 1.085 GB, free: 15.07 MB / 0.8419 GB Notification: Performance of prepare postOptimizeDAE: time 1.114e-05/0.7944, allocations: 7.938 kB / 1.085 GB, free: 15.06 MB / 0.8419 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001837/0.7963, allocations: 0.6568 MB / 1.086 GB, free: 14.4 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.498e-06/0.7963, allocations: 7.938 kB / 1.086 GB, free: 14.39 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001052/0.7974, allocations: 277.7 kB / 1.086 GB, free: 14.11 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002837/0.7977, allocations: 67.89 kB / 1.086 GB, free: 14.05 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006699/0.8044, allocations: 4.338 MB / 1.09 GB, free: 9.438 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001214/0.8056, allocations: 83.83 kB / 1.09 GB, free: 9.355 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.745e-05/0.8057, allocations: 27.98 kB / 1.09 GB, free: 9.328 MB / 0.8419 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 0.0004658/0.8062, allocations: 292.8 kB / 1.091 GB, free: 9.031 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002144/0.8064, allocations: 59.25 kB / 1.091 GB, free: 8.973 MB / 0.8419 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001966/0.8084, allocations: 0.6642 MB / 1.091 GB, free: 8.297 MB / 0.8419 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.644e-06/0.8084, allocations: 4 kB / 1.091 GB, free: 8.293 MB / 0.8419 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.036e-06/0.8084, allocations: 0 / 1.091 GB, free: 8.293 MB / 0.8419 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001674/0.8101, allocations: 0.7489 MB / 1.092 GB, free: 7.488 MB / 0.8419 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003463/0.8136, allocations: 1.702 MB / 1.094 GB, free: 5.719 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.557e-06/0.8136, allocations: 0 / 1.094 GB, free: 5.719 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002361/0.8138, allocations: 51.91 kB / 1.094 GB, free: 5.668 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001038/0.8149, allocations: 257.5 kB / 1.094 GB, free: 5.41 MB / 0.8419 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.487e-05/0.8149, allocations: 15.98 kB / 1.094 GB, free: 5.395 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005685/0.8206, allocations: 3.947 MB / 1.098 GB, free: 1.176 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.853e-06/0.8207, allocations: 0 / 1.098 GB, free: 1.176 MB / 0.8419 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002234/0.8229, allocations: 0.9306 MB / 1.099 GB, free: 224 kB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003595/0.8233, allocations: 196.4 kB / 1.099 GB, free: 8 kB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001491/0.8234, allocations: 12.05 kB / 1.099 GB, free: 15.99 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001058/0.8245, allocations: 75.7 kB / 1.099 GB, free: 15.92 MB / 0.8575 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001016/0.8246, allocations: 35.89 kB / 1.099 GB, free: 15.89 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.817e-05/0.8247, allocations: 12 kB / 1.099 GB, free: 15.88 MB / 0.8575 GB Notification: Performance of sorting global known variables: time 0.0005867/0.8253, allocations: 370.8 kB / 1.1 GB, free: 15.52 MB / 0.8575 GB Notification: Performance of sort global known variables: time 2.41e-07/0.8253, allocations: 0 / 1.1 GB, free: 15.52 MB / 0.8575 GB Notification: Performance of remove unused functions: time 0.00167/0.8269, allocations: 411.9 kB / 1.1 GB, free: 15.11 MB / 0.8575 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 0.003/0.83, allocations: 1.688 MB / 1.102 GB, free: 13.4 MB / 0.8575 GB Notification: Performance of simCode: created initialization part: time 0.003233/0.8332, allocations: 1.37 MB / 1.103 GB, free: 11.98 MB / 0.8575 GB Notification: Performance of simCode: created event and clocks part: time 3.166e-06/0.8332, allocations: 0 / 1.103 GB, free: 11.98 MB / 0.8575 GB Notification: Performance of simCode: created simulation system equations: time 0.001284/0.8345, allocations: 0.5484 MB / 1.103 GB, free: 11.41 MB / 0.8575 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001964/0.8365, allocations: 343.9 kB / 1.104 GB, free: 11.07 MB / 0.8575 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009924/0.8464, allocations: 5.585 MB / 1.109 GB, free: 5.324 MB / 0.8575 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006184/0.8471, allocations: 0.9263 MB / 1.11 GB, free: 4.371 MB / 0.8575 GB Notification: Performance of simCode: alias equations: time 0.0007013/0.8478, allocations: 131.3 kB / 1.11 GB, free: 4.246 MB / 0.8575 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003387/0.8481, allocations: 211.4 kB / 1.11 GB, free: 4.039 MB / 0.8575 GB Notification: Performance of SimCode: time 2.796e-06/0.8482, allocations: 0 / 1.11 GB, free: 4.039 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04518/0.8933, allocations: 22.25 MB / 1.132 GB, free: 14.26 MB / 0.8887 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002646/0.8936, allocations: 342.5 kB / 1.133 GB, free: 13.87 MB / 0.8887 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.412/3.306, allocations: 0 / 1.133 GB, free: 13.87 MB / 0.8887 GB (rm -f Buildings_10_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; mkfifo Buildings_10_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe >> ../files/Buildings_10_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_10_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity_res.mat --tempDir=temp_Buildings_10_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesSpecializedWaterTemperatureDependentDensity_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_10_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesSpecializedWaterTemperatureDependentDensity.fmu > Buildings_10_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterTemperatureDependentDensity.pipe 2>&1)