Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements,fileNamePrefix="Buildings_9_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements,fileNamePrefix="Buildings_9_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements",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 0.007852/0.007852, allocations: 103.4 kB / 15.73 MB, free: 6.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001795/0.001795, allocations: 197.6 kB / 16.68 MB, free: 5.98 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.365/1.365, allocations: 222.9 MB / 240.4 MB, free: 4.34 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.435/2.435, allocations: 390.3 MB / 0.6648 GB, free: 240 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.00115/0.00115, allocations: 65.98 kB / 0.9504 GB, free: 5.957 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.254/0.2551, allocations: 140.4 MB / 1.087 GB, free: 2.043 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements): time 0.174/0.4292, allocations: 163.5 MB / 1.247 GB, free: 13.96 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.6596/1.089, allocations: 27.6 MB / 1.274 GB, free: 3.059 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004882/1.094, allocations: 85.22 kB / 1.274 GB, free: 3.059 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.004086/1.098, allocations: 1.134 MB / 1.275 GB, free: 3.047 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.008054/1.106, allocations: 1.955 MB / 1.277 GB, free: 2.988 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.006633/1.113, allocations: 2.046 MB / 1.279 GB, free: 2.945 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.01156/1.124, allocations: 6.152 MB / 1.285 GB, free: 2.938 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009335/1.134, allocations: 4.997 MB / 1.29 GB, free: 2.387 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00686/1.141, allocations: 2.414 MB / 1.292 GB, free: 2.387 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007138/1.148, allocations: 2.948 MB / 1.295 GB, free: 2.168 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.002391/1.15, allocations: 0.5523 MB / 1.296 GB, free: 2.168 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00523/1.155, allocations: 1.17 MB / 1.297 GB, free: 2.148 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.00283/1.158, allocations: 1.425 MB / 1.298 GB, free: 1.973 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.005782/1.164, allocations: 2.506 MB / 1.301 GB, free: 1.273 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.01048/1.175, allocations: 7.085 MB / 1.308 GB, free: 360 kB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 6.573e-06/1.175, allocations: 1.156 kB / 1.308 GB, free: 360 kB / 1.014 GB Notification: Performance of FrontEnd: time 2.765e-06/1.175, allocations: 1 kB / 1.308 GB, free: 360 kB / 1.014 GB Notification: Performance of Transformations before backend: time 0.0002642/1.175, allocations: 0 / 1.308 GB, free: 360 kB / 1.014 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 987 * Number of variables: 987 Notification: Performance of Generate backend data structure: time 0.01779/1.193, allocations: 5.387 MB / 1.313 GB, free: 14.22 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 5.931e-05/1.193, allocations: 8.781 kB / 1.313 GB, free: 14.22 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001708/1.194, allocations: 0.5265 MB / 1.313 GB, free: 14.16 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0147/1.209, allocations: 2.852 MB / 1.316 GB, free: 13.86 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007355/1.217, allocations: 2.632 MB / 1.319 GB, free: 13.18 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002922/1.217, allocations: 295.3 kB / 1.319 GB, free: 13.18 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001756/1.219, allocations: 379.3 kB / 1.319 GB, free: 13.17 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01638/1.235, allocations: 5.924 MB / 1.325 GB, free: 12.13 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001088/1.235, allocations: 2.062 kB / 1.325 GB, free: 12.13 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007273/1.236, allocations: 159.6 kB / 1.325 GB, free: 12.01 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.763e-05/1.236, allocations: 96.16 kB / 1.326 GB, free: 12.01 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01968/1.256, allocations: 7.047 MB / 1.332 GB, free: 10.28 MB / 1.029 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 0.04107/1.297, allocations: 17.71 MB / 1.35 GB, free: 14.18 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01108/1.308, allocations: 4.801 MB / 1.354 GB, free: 11.77 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006822/1.315, allocations: 3.054 MB / 1.357 GB, free: 10.25 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001044/1.316, allocations: 0.6783 MB / 1.358 GB, free: 9.535 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.007195/1.323, allocations: 2.97 MB / 1.361 GB, free: 7.832 MB / 1.045 GB Notification: Performance of pre-optimization done (n=336): time 6.923e-06/1.323, allocations: 1.156 kB / 1.361 GB, free: 7.832 MB / 1.045 GB Notification: Performance of matching and sorting (n=336): time 0.02813/1.351, allocations: 10.17 MB / 1.371 GB, free: 1.773 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001244/1.351, allocations: 214.6 kB / 1.371 GB, free: 1.52 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00455/1.356, allocations: 2.781 MB / 1.374 GB, free: 14.73 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 0.001013/1.357, allocations: 89.7 kB / 1.374 GB, free: 14.63 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.001668/1.359, allocations: 1.591 MB / 1.375 GB, free: 13.03 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 0.001754/1.361, allocations: 1.103 MB / 1.376 GB, free: 11.94 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001288/1.362, allocations: 0.5608 MB / 1.377 GB, free: 11.37 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 9.806e-05/1.362, allocations: 305.1 kB / 1.377 GB, free: 11.07 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005395/1.367, allocations: 2.289 MB / 1.38 GB, free: 8.773 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006162/1.374, allocations: 2.667 MB / 1.382 GB, free: 6.023 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01219/1.386, allocations: 4.897 MB / 1.387 GB, free: 1.066 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.097e-05/1.386, allocations: 7.938 kB / 1.387 GB, free: 1.059 MB / 1.061 GB Notification: Performance of matching and sorting (n=375) (initialization): time 0.01618/1.402, allocations: 6.035 MB / 1.393 GB, free: 11.04 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 3.212e-05/1.402, allocations: 6.344 kB / 1.393 GB, free: 11.04 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.065e-05/1.402, allocations: 4.266 kB / 1.393 GB, free: 11.03 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001823/1.404, allocations: 0.8433 MB / 1.394 GB, free: 10.18 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004854/1.409, allocations: 0.8384 MB / 1.395 GB, free: 9.371 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01075/1.42, allocations: 7.567 MB / 1.402 GB, free: 1.68 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00522/1.425, allocations: 0.5984 MB / 1.402 GB, free: 1.078 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009176/1.426, allocations: 127.9 kB / 1.403 GB, free: 0.9531 MB / 1.076 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 32 ($PRE.intGai.nextTimeEvent,$whenCondition1,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 (311): * Single equations (assignments): 310 * 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 {(5,60,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.003299/1.429, allocations: 1.08 MB / 1.404 GB, free: 15.89 MB / 1.092 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001173/1.43, allocations: 324 kB / 1.404 GB, free: 15.57 MB / 1.092 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01662/1.447, allocations: 6.744 MB / 1.411 GB, free: 8.801 MB / 1.092 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.237e-05/1.447, allocations: 40 kB / 1.411 GB, free: 8.762 MB / 1.092 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.652e-05/1.447, allocations: 8 kB / 1.411 GB, free: 8.754 MB / 1.092 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.765e-05/1.447, allocations: 15.94 kB / 1.411 GB, free: 8.738 MB / 1.092 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007795/1.455, allocations: 4.393 MB / 1.415 GB, free: 4.359 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.325e-05/1.455, allocations: 0 / 1.415 GB, free: 4.359 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004542/1.46, allocations: 0.7814 MB / 1.416 GB, free: 3.602 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002083/1.462, allocations: 0.7411 MB / 1.416 GB, free: 2.852 MB / 1.092 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000979/1.463, allocations: 99.91 kB / 1.416 GB, free: 2.754 MB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01188/1.475, allocations: 10.65 MB / 1.427 GB, free: 7.707 MB / 1.107 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.406e-06/1.475, allocations: 3.938 kB / 1.427 GB, free: 7.703 MB / 1.107 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02261/1.497, allocations: 9.567 MB / 1.436 GB, free: 14.09 MB / 1.123 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003207/1.5, allocations: 0.9531 MB / 1.437 GB, free: 13.11 MB / 1.123 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00113/1.502, allocations: 83.83 kB / 1.437 GB, free: 13.03 MB / 1.123 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004048/1.506, allocations: 434.5 kB / 1.438 GB, free: 12.61 MB / 1.123 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006674/1.506, allocations: 246.4 kB / 1.438 GB, free: 12.37 MB / 1.123 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003533/1.507, allocations: 119.9 kB / 1.438 GB, free: 12.25 MB / 1.123 GB Notification: Performance of sorting global known variables: time 0.003067/1.51, allocations: 2.013 MB / 1.44 GB, free: 10.23 MB / 1.123 GB Notification: Performance of sort global known variables: time 1.71e-07/1.51, allocations: 0 / 1.44 GB, free: 10.23 MB / 1.123 GB Notification: Performance of remove unused functions: time 0.004916/1.515, allocations: 1.274 MB / 1.441 GB, free: 8.957 MB / 1.123 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 6 (thermalZoneFourElements.volAir.dynBal.U,thermalZoneFourElements.volAir.dynBal.m,thermalZoneFourElements.extWallRC.thermCapExt[1].T,thermalZoneFourElements.intWallRC.thermCapInt[1].T,thermalZoneFourElements.floorRC.thermCapExt[1].T,thermalZoneFourElements.roofRC.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 (295): * Single equations (assignments): 280 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 11 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(5,49,100.0%), (1,3,100.0%), (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 0.02429/1.539, allocations: 11.1 MB / 1.452 GB, free: 14.14 MB / 1.139 GB Notification: Performance of simCode: created initialization part: time 0.01493/1.554, allocations: 5.803 MB / 1.458 GB, free: 8.34 MB / 1.139 GB Notification: Performance of simCode: created event and clocks part: time 6.493e-06/1.554, allocations: 3.938 kB / 1.458 GB, free: 8.336 MB / 1.139 GB Notification: Performance of simCode: created simulation system equations: time 0.008878/1.563, allocations: 3.477 MB / 1.461 GB, free: 4.875 MB / 1.139 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005927/1.569, allocations: 0.7884 MB / 1.462 GB, free: 4.117 MB / 1.139 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08807/1.657, allocations: 34.77 MB / 1.496 GB, free: 1.156 MB / 1.17 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004228/1.661, allocations: 2.781 MB / 1.499 GB, free: 14.34 MB / 1.186 GB Notification: Performance of simCode: alias equations: time 0.005887/1.667, allocations: 1.218 MB / 1.5 GB, free: 13.12 MB / 1.186 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004695/1.672, allocations: 1.714 MB / 1.501 GB, free: 11.41 MB / 1.186 GB Notification: Performance of SimCode: time 8.82e-07/1.672, allocations: 3.938 kB / 1.501 GB, free: 11.41 MB / 1.186 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1547/1.827, allocations: 86.07 MB / 1.585 GB, free: 5.91 MB / 1.264 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.9/19.73, allocations: 3.984 kB / 1.585 GB, free: 5.906 MB / 1.264 GB (rm -f Buildings_9_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.pipe ; mkfifo Buildings_9_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.pipe ; head -c 1048576 < Buildings_9_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.pipe >> ../files/Buildings_9_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_9_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements_res.mat --tempDir=temp_Buildings_9_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_fmu --startTime=0 --stopTime=3.1536e+07 --timeout=50 --tolerance=1e-06 Buildings_9_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements.fmu > Buildings_9_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.pipe 2>&1)