Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement,tolerance=1e-06,outputFormat="empty",numberOfIntervals=17520,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement") translateModel(IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement,tolerance=1e-06,outputFormat="empty",numberOfIntervals=17520,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001613/0.001613, allocations: 109.2 kB / 17.02 MB, free: 6.121 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001852/0.001852, allocations: 194.9 kB / 17.97 MB, free: 5.211 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.298/1.298, allocations: 222.9 MB / 241.7 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7081/0.7081, allocations: 115.1 MB / 406.9 MB, free: 6.379 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001193/0.001193, allocations: 67.91 kB / 494.8 MB, free: 15.93 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.305/0.3062, allocations: 76.15 MB / 0.5576 GB, free: 36.63 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement): time 0.1531/0.4594, allocations: 162 MB / 0.7157 GB, free: 2.059 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.03136/0.4908, allocations: 26.93 MB / 0.742 GB, free: 7.047 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002843/0.4937, allocations: 75.62 kB / 0.7421 GB, free: 6.973 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.002206/0.4959, allocations: 1.041 MB / 0.7431 GB, free: 5.926 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.004937/0.5009, allocations: 1.793 MB / 0.7449 GB, free: 4.129 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003936/0.5048, allocations: 1.729 MB / 0.7465 GB, free: 2.414 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.2605/0.7653, allocations: 5.292 MB / 0.7517 GB, free: 4.09 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005383/0.7707, allocations: 4.164 MB / 0.7558 GB, free: 3.641 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003669/0.7744, allocations: 2.101 MB / 0.7578 GB, free: 3.637 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003703/0.7781, allocations: 2.524 MB / 0.7603 GB, free: 3.637 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0008671/0.779, allocations: 459 kB / 0.7607 GB, free: 3.637 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002245/0.7813, allocations: 1.06 MB / 0.7618 GB, free: 3.637 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.00101/0.7823, allocations: 1.176 MB / 0.7629 GB, free: 3.625 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.002107/0.7844, allocations: 2.129 MB / 0.765 GB, free: 3.031 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.005363/0.7898, allocations: 5.972 MB / 0.7708 GB, free: 2.305 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 4.439e-06/0.7898, allocations: 0 / 0.7708 GB, free: 2.305 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.172e-06/0.7898, allocations: 0.9688 kB / 0.7708 GB, free: 2.305 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0001066/0.7899, allocations: 0.625 kB / 0.7708 GB, free: 2.305 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 816 * Number of variables: 816 Notification: Performance of Generate backend data structure: time 0.009298/0.7992, allocations: 4.633 MB / 0.7754 GB, free: 460 kB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 3.204e-05/0.7993, allocations: 8.469 kB / 0.7754 GB, free: 460 kB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01243/0.8117, allocations: 2.774 MB / 0.7781 GB, free: 244 kB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004285/0.816, allocations: 2.323 MB / 0.7803 GB, free: 15.62 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001338/0.8162, allocations: 246.6 kB / 0.7806 GB, free: 15.61 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004891/0.8167, allocations: 311.9 kB / 0.7809 GB, free: 15.61 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009197/0.8259, allocations: 5.165 MB / 0.7859 GB, free: 15.34 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.54e-05/0.8259, allocations: 3.906 kB / 0.7859 GB, free: 15.34 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003411/0.8263, allocations: 130.8 kB / 0.786 GB, free: 15.34 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.003e-05/0.8263, allocations: 77.88 kB / 0.7861 GB, free: 15.34 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01239/0.8387, allocations: 6.285 MB / 0.7923 GB, free: 15.31 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 0.02328/0.862, allocations: 14.81 MB / 0.8067 GB, free: 8.621 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008992/0.871, allocations: 4.712 MB / 0.8113 GB, free: 7.617 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004442/0.8755, allocations: 2.439 MB / 0.8137 GB, free: 7.09 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008646/0.8764, allocations: 0.6762 MB / 0.8144 GB, free: 6.387 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.005111/0.8815, allocations: 2.623 MB / 0.8169 GB, free: 4.465 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=278): time 4.498e-06/0.8815, allocations: 0 / 0.8169 GB, free: 4.465 MB / 0.5919 GB Notification: Performance of matching and sorting (n=278): time 0.01642/0.8979, allocations: 7.403 MB / 0.8242 GB, free: 14.44 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001067/0.8981, allocations: 214.1 kB / 0.8244 GB, free: 14.19 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003134/0.9012, allocations: 2.437 MB / 0.8267 GB, free: 11.73 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 0.0003103/0.9015, allocations: 77.7 kB / 0.8268 GB, free: 11.64 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.001099/0.9026, allocations: 1.328 MB / 0.8281 GB, free: 10.3 MB / 0.6075 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008169/0.9035, allocations: 0.9174 MB / 0.829 GB, free: 9.395 MB / 0.6075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009625/0.9044, allocations: 0.497 MB / 0.8295 GB, free: 8.891 MB / 0.6075 GB Notification: Performance of setup shared object (initialization): time 8.626e-05/0.9045, allocations: 305.1 kB / 0.8298 GB, free: 8.59 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004504/0.909, allocations: 2.031 MB / 0.8318 GB, free: 6.555 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00482/0.9139, allocations: 2.344 MB / 0.8341 GB, free: 4.141 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009123/0.923, allocations: 4.279 MB / 0.8382 GB, free: 15.79 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.082e-06/0.923, allocations: 0 / 0.8382 GB, free: 15.79 MB / 0.6231 GB Notification: Performance of matching and sorting (n=322) (initialization): time 0.01113/0.9342, allocations: 4.999 MB / 0.8431 GB, free: 10.77 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 2.328e-05/0.9342, allocations: 11.98 kB / 0.8431 GB, free: 10.76 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.312e-05/0.9342, allocations: 4 kB / 0.8431 GB, free: 10.76 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006209/0.9348, allocations: 229.7 kB / 0.8433 GB, free: 10.53 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003989/0.9388, allocations: 0.8182 MB / 0.8441 GB, free: 9.742 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00408/0.9429, allocations: 3.363 MB / 0.8474 GB, free: 6.25 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003713/0.9467, allocations: 0.5557 MB / 0.848 GB, free: 5.691 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003425/0.947, allocations: 115.9 kB / 0.8481 GB, free: 5.578 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 34 ($PRE.intGai.nextTimeEvent,$whenCondition1,weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent,HDirTil[2].incAng.decAng.tNext,$PRE.HDirTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,$PRE.HDirTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,$PRE.HDifTil[2].incAng.decAng.tNext,HDifTil[1].incAng.decAng.tNext,$PRE.HDifTil[1].incAng.decAng.tNext,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (300): * Single equations (assignments): 299 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,21,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.001975/0.949, allocations: 0.9497 MB / 0.849 GB, free: 4.648 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007272/0.9497, allocations: 272.6 kB / 0.8493 GB, free: 4.379 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01283/0.9626, allocations: 5.615 MB / 0.8548 GB, free: 14.71 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.678e-05/0.9626, allocations: 35.92 kB / 0.8548 GB, free: 14.68 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.3e-05/0.9626, allocations: 12 kB / 0.8548 GB, free: 14.67 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.619e-05/0.9627, allocations: 11.95 kB / 0.8548 GB, free: 14.66 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005093/0.9678, allocations: 3.692 MB / 0.8584 GB, free: 10.98 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.25e-05/0.9678, allocations: 0 / 0.8584 GB, free: 10.98 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003743/0.9715, allocations: 0.7402 MB / 0.8591 GB, free: 10.27 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007813/0.9723, allocations: 264.5 kB / 0.8594 GB, free: 10 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003004/0.9726, allocations: 87.91 kB / 0.8595 GB, free: 9.914 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004957/0.9776, allocations: 5.235 MB / 0.8646 GB, free: 4.406 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.373e-06/0.9776, allocations: 0 / 0.8646 GB, free: 4.406 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01691/0.9945, allocations: 8.037 MB / 0.8724 GB, free: 12.29 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002126/0.9967, allocations: 0.8249 MB / 0.8732 GB, free: 11.45 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006722/0.9974, allocations: 71.83 kB / 0.8733 GB, free: 11.38 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003205/1.001, allocations: 423.4 kB / 0.8737 GB, free: 10.96 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004529/1.001, allocations: 194 kB / 0.8739 GB, free: 10.77 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000297/1.001, allocations: 115.9 kB / 0.874 GB, free: 10.66 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.002594/1.004, allocations: 1.773 MB / 0.8757 GB, free: 8.871 MB / 0.6544 GB Notification: Performance of sort global known variables: time 2.41e-07/1.004, allocations: 0 / 0.8757 GB, free: 8.871 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.003133/1.007, allocations: 1.071 MB / 0.8768 GB, free: 7.797 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (thermalZoneOneElement.volAir.dynBal.U,thermalZoneOneElement.volAir.dynBal.m,thermalZoneOneElement.extWallRC.thermCapExt[1].T) * Number of discrete variables: 21 ($whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,HDifTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,HDirTil[2].incAng.decAng.tNext,intGai.nextTimeEvent,intGai.nextTimeEventScaled) * Number of discrete states: 11 (intGai.nextTimeEventScaled,intGai.nextTimeEvent,HDirTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,HDifTil[1].incAng.decAng.tNext,weaDat.decAng.tNext,weaDat.eqnTim.tNext,weaDat.conTim.tNext,weaDat.conTimMin.tNext,weaDat.locTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (276): * Single equations (assignments): 262 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 11 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,16,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002588/1.01, allocations: 1.057 MB / 0.8778 GB, free: 7.191 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.01088/1.021, allocations: 4.903 MB / 0.8826 GB, free: 2.281 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 3.807e-06/1.021, allocations: 0 / 0.8826 GB, free: 2.281 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.005879/1.027, allocations: 2.778 MB / 0.8853 GB, free: 15.52 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003419/1.03, allocations: 0.6931 MB / 0.886 GB, free: 14.86 MB / 0.67 GB Warning: The hideResult annotation could not be evaluated, probably due to missing annotation(Evaluate=true). It is removed. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01481/1.045, allocations: 7.923 MB / 0.8937 GB, free: 6.914 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00265/1.047, allocations: 2.453 MB / 0.8961 GB, free: 4.422 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.003909/1.051, allocations: 1.139 MB / 0.8972 GB, free: 3.281 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001318/1.053, allocations: 287.2 kB / 0.8975 GB, free: 3 MB / 0.67 GB Notification: Performance of SimCode: time 7.82e-07/1.053, allocations: 0 / 0.8975 GB, free: 3 MB / 0.67 GB Notification: Performance of Templates: time 0.07482/1.128, allocations: 48.33 MB / 0.9447 GB, free: 3.184 MB / 0.7169 GB make -j1 -f IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.makefile (rm -f IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.pipe ; mkfifo IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.pipe >> ../files/IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.sim & ./IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.pipe 2>&1)