Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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(BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Sensors_Examples_Pressure",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Sensors_Examples_Pressure",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 0.001083/0.001083, allocations: 108 kB / 15.61 MB, free: 148 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001078/0.001078, allocations: 196.5 kB / 16.53 MB, free: 6.656 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.208/1.208, allocations: 222.9 MB / 240.2 MB, free: 4.414 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.8972/0.8972, allocations: 143 MB / 433.4 MB, free: 11.64 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001769/0.001769, allocations: 59.91 kB / 0.5143 GB, free: 11.56 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.136/0.1378, allocations: 82.04 MB / 0.5944 GB, free: 9.5 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure): time 0.4156/0.5535, allocations: 169.5 MB / 0.7599 GB, free: 3.711 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.007491/0.561, allocations: 7.323 MB / 0.7671 GB, free: 12.37 MB / 0.5919 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004776/0.5615, allocations: 11.94 kB / 0.7671 GB, free: 12.36 MB / 0.5919 GB Notification: Performance of NFTyping.typeComponents: time 0.0006203/0.5622, allocations: 210.6 kB / 0.7673 GB, free: 12.15 MB / 0.5919 GB Notification: Performance of NFTyping.typeBindings: time 0.00127/0.5634, allocations: 0.5794 MB / 0.7678 GB, free: 11.57 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.00102/0.5645, allocations: 425.3 kB / 0.7682 GB, free: 11.16 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.0007157/0.5652, allocations: 0.7128 MB / 0.7689 GB, free: 10.45 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003551/0.5656, allocations: 271.6 kB / 0.7692 GB, free: 10.19 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0005784/0.5661, allocations: 378.4 kB / 0.7696 GB, free: 9.816 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002386/0.5664, allocations: 219 kB / 0.7698 GB, free: 9.602 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 3.821e-05/0.5664, allocations: 20 kB / 0.7698 GB, free: 9.582 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0009563/0.5674, allocations: 0.7015 MB / 0.7705 GB, free: 8.879 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.0001045/0.5675, allocations: 111.7 kB / 0.7706 GB, free: 8.77 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.000141/0.5677, allocations: 155.2 kB / 0.7707 GB, free: 8.617 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.0006921/0.5684, allocations: 0.5803 MB / 0.7713 GB, free: 8.035 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 3.968e-06/0.5684, allocations: 0 / 0.7713 GB, free: 8.035 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.243e-06/0.5684, allocations: 0 / 0.7713 GB, free: 8.035 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 6.061e-06/0.5684, allocations: 0 / 0.7713 GB, free: 8.035 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 52 * Number of variables: 52 Notification: Performance of Generate backend data structure: time 0.0008404/0.5692, allocations: 0.6387 MB / 0.7719 GB, free: 7.352 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.671e-05/0.5693, allocations: 16.03 kB / 0.7719 GB, free: 7.336 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.9e-05/0.5694, allocations: 53.8 kB / 0.772 GB, free: 7.277 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003358/0.5697, allocations: 79.41 kB / 0.7721 GB, free: 7.199 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003437/0.57, allocations: 302.1 kB / 0.7723 GB, free: 6.867 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.912e-05/0.5701, allocations: 16.44 kB / 0.7724 GB, free: 6.852 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.211e-05/0.5701, allocations: 24 kB / 0.7724 GB, free: 6.828 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004597/0.5706, allocations: 300.6 kB / 0.7727 GB, free: 6.492 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.297e-05/0.5706, allocations: 3.984 kB / 0.7727 GB, free: 6.488 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.399e-05/0.5706, allocations: 15.94 kB / 0.7727 GB, free: 6.473 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.916e-06/0.5706, allocations: 4 kB / 0.7727 GB, free: 6.469 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003753/0.571, allocations: 182.2 kB / 0.7729 GB, free: 6.293 MB / 0.5919 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 0.001544/0.5726, allocations: 1.695 MB / 0.7745 GB, free: 4.48 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002486/0.5728, allocations: 91.22 kB / 0.7746 GB, free: 4.383 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001645/0.573, allocations: 78.34 kB / 0.7747 GB, free: 4.305 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002843/0.5733, allocations: 194.1 kB / 0.7749 GB, free: 4.078 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.328e-05/0.5733, allocations: 30.56 kB / 0.7749 GB, free: 4.039 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=11): time 2.595e-06/0.5734, allocations: 0 / 0.7749 GB, free: 4.039 MB / 0.5919 GB Notification: Performance of matching and sorting (n=11): time 0.0006586/0.574, allocations: 230.5 kB / 0.7751 GB, free: 3.809 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.204e-05/0.5741, allocations: 55.41 kB / 0.7752 GB, free: 3.742 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002857/0.5743, allocations: 316.5 kB / 0.7755 GB, free: 3.426 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 2.09e-05/0.5744, allocations: 25.7 kB / 0.7755 GB, free: 3.395 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001156/0.5745, allocations: 199.8 kB / 0.7757 GB, free: 3.195 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 3.117e-05/0.5745, allocations: 39.45 kB / 0.7757 GB, free: 3.156 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.759e-05/0.5746, allocations: 53.61 kB / 0.7758 GB, free: 3.098 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001028/0.5747, allocations: 342.8 kB / 0.7761 GB, free: 2.754 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001506/0.5749, allocations: 57.84 kB / 0.7762 GB, free: 2.695 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000244/0.5751, allocations: 199.7 kB / 0.7764 GB, free: 2.441 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003599/0.5755, allocations: 233.5 kB / 0.7766 GB, free: 2.164 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.555e-06/0.5755, allocations: 0 / 0.7766 GB, free: 2.164 MB / 0.5919 GB Notification: Performance of matching and sorting (n=23) (initialization): time 0.0004604/0.576, allocations: 256.9 kB / 0.7768 GB, free: 1.906 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 1.426e-05/0.576, allocations: 8 kB / 0.7768 GB, free: 1.898 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.508e-06/0.576, allocations: 7.938 kB / 0.7768 GB, free: 1.891 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.629e-05/0.576, allocations: 7.938 kB / 0.7768 GB, free: 1.883 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000175/0.5762, allocations: 52.31 kB / 0.7769 GB, free: 1.832 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.907e-06/0.5762, allocations: 8 kB / 0.7769 GB, free: 1.824 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002306/0.5765, allocations: 39.67 kB / 0.7769 GB, free: 1.785 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.509e-05/0.5765, allocations: 8 kB / 0.7769 GB, free: 1.777 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002205/0.5767, allocations: 172.1 kB / 0.7771 GB, free: 1.605 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002343/0.577, allocations: 195 kB / 0.7773 GB, free: 1.355 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003624/0.5773, allocations: 229.5 kB / 0.7775 GB, free: 1.082 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.483e-06/0.5773, allocations: 0 / 0.7775 GB, free: 1.082 MB / 0.5919 GB Notification: Performance of matching and sorting (n=23) (initialization_lambda0): time 0.000474/0.5778, allocations: 257 kB / 0.7778 GB, free: 0.8242 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 9.818e-06/0.5778, allocations: 8.562 kB / 0.7778 GB, free: 0.8164 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.206e-06/0.5779, allocations: 4.547 kB / 0.7778 GB, free: 0.8125 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.651e-06/0.5779, allocations: 8 kB / 0.7778 GB, free: 0.8047 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001626/0.578, allocations: 48.47 kB / 0.7778 GB, free: 0.7578 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.549e-06/0.578, allocations: 8.406 kB / 0.7778 GB, free: 0.75 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002145/0.5783, allocations: 23.89 kB / 0.7779 GB, free: 0.7266 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.025e-05/0.5783, allocations: 19.98 kB / 0.7779 GB, free: 0.707 MB / 0.5919 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (23): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 9.519e-05/0.5784, allocations: 192.1 kB / 0.7781 GB, free: 0.5117 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.624e-05/0.5784, allocations: 27.66 kB / 0.7781 GB, free: 496 kB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003632/0.5788, allocations: 177.1 kB / 0.7783 GB, free: 308 kB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.525e-06/0.5788, allocations: 4 kB / 0.7783 GB, free: 304 kB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.238e-06/0.5788, allocations: 0 / 0.7783 GB, free: 304 kB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.815e-06/0.5788, allocations: 0 / 0.7783 GB, free: 304 kB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008398/0.5797, allocations: 0.6131 MB / 0.7789 GB, free: 15.61 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.355e-06/0.5797, allocations: 0 / 0.7789 GB, free: 15.61 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001184/0.5798, allocations: 26.92 kB / 0.7789 GB, free: 15.58 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.128e-06/0.5798, allocations: 4 kB / 0.7789 GB, free: 15.58 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.502e-05/0.5799, allocations: 8 kB / 0.7789 GB, free: 15.57 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.004e-06/0.5799, allocations: 3.938 kB / 0.7789 GB, free: 15.57 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.857e-06/0.5799, allocations: 7.938 kB / 0.7789 GB, free: 15.56 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000359/0.5802, allocations: 293.9 kB / 0.7792 GB, free: 15.23 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 8.894e-05/0.5803, allocations: 116.7 kB / 0.7793 GB, free: 15.1 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.085e-05/0.5804, allocations: 8 kB / 0.7793 GB, free: 15.09 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001735/0.5806, allocations: 15.92 kB / 0.7793 GB, free: 15.08 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.218e-05/0.5806, allocations: 15.92 kB / 0.7793 GB, free: 15.06 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.865e-06/0.5806, allocations: 4 kB / 0.7793 GB, free: 15.06 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.0002041/0.5808, allocations: 235 kB / 0.7796 GB, free: 14.83 MB / 0.6075 GB Notification: Performance of sort global known variables: time 9.1e-08/0.5808, allocations: 0 / 0.7796 GB, free: 14.83 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.0005409/0.5814, allocations: 131.8 kB / 0.7797 GB, free: 14.7 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 simulation (11): * Single equations (assignments): 11 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0008664/0.5823, allocations: 0.8963 MB / 0.7806 GB, free: 13.77 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.0005369/0.5828, allocations: 249.1 kB / 0.7808 GB, free: 13.53 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 3.446e-06/0.5828, allocations: 0 / 0.7808 GB, free: 13.53 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0001494/0.583, allocations: 72.28 kB / 0.7809 GB, free: 13.46 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007623/0.5837, allocations: 123.1 kB / 0.781 GB, free: 13.35 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003078/0.5868, allocations: 2.829 MB / 0.7837 GB, free: 10.31 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003556/0.5872, allocations: 0.7717 MB / 0.7845 GB, free: 9.512 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.000265/0.5875, allocations: 91.47 kB / 0.7846 GB, free: 9.422 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001304/0.5876, allocations: 87.41 kB / 0.7847 GB, free: 9.336 MB / 0.6075 GB Notification: Performance of SimCode: time 2.4e-07/0.5876, allocations: 4 kB / 0.7847 GB, free: 9.332 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5319/1.12, allocations: 7.847 MB / 0.7923 GB, free: 1.676 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.92/12.04, allocations: 12.34 kB / 0.7924 GB, free: 1.664 MB / 0.6075 GB (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_BuildSysPro_BuildSysPro_IBPSA_Fluid_Sensors_Examples_Pressure_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 BuildSysPro_BuildSysPro_IBPSA_Fluid_Sensors_Examples_Pressure.fmu > BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.Pressure.pipe 2>&1)