Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround.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.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround,tolerance=1e-06,outputFormat="empty",numberOfIntervals=17520,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround") translateModel(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround,tolerance=1e-06,outputFormat="empty",numberOfIntervals=17520,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001098/0.001098, allocations: 97.56 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00663/0.00663, allocations: 170.2 kB / 16.27 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.381/1.381, allocations: 223.3 MB / 240.3 MB, free: 5.352 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.807/2.807, allocations: 473.4 MB / 0.7469 GB, free: 6.082 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0004782/0.0004782, allocations: 11.28 kB / 0.9158 GB, free: 33.24 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3313/0.3318, allocations: 162.2 MB / 1.074 GB, free: 7.562 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround): time 0.1643/0.4961, allocations: 158.2 MB / 1.229 GB, free: 8.789 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.5793/1.075, allocations: 26.69 MB / 1.255 GB, free: 6.137 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002944/1.078, allocations: 68.78 kB / 1.255 GB, free: 6.137 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.002122/1.081, allocations: 0.9539 MB / 1.256 GB, free: 6.133 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.00591/1.086, allocations: 1.691 MB / 1.257 GB, free: 6.109 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.004209/1.091, allocations: 1.586 MB / 1.259 GB, free: 6.062 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.007532/1.098, allocations: 5.811 MB / 1.265 GB, free: 6.051 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005075/1.103, allocations: 3.554 MB / 1.268 GB, free: 21.43 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002805/1.106, allocations: 1.529 MB / 1.269 GB, free: 21.42 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003282/1.109, allocations: 2.093 MB / 1.272 GB, free: 21.41 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.0004785/1.11, allocations: 123.1 kB / 1.272 GB, free: 21.41 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00211/1.112, allocations: 0.7176 MB / 1.272 GB, free: 21.39 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.0008736/1.113, allocations: 0.7908 MB / 1.273 GB, free: 21.39 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.002328/1.115, allocations: 1.764 MB / 1.275 GB, free: 21.17 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.007468/1.123, allocations: 5.79 MB / 1.281 GB, free: 20.36 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 4.078e-06/1.123, allocations: 1.844 kB / 1.281 GB, free: 20.36 MB / 1.014 GB Notification: Performance of FrontEnd: time 1.222e-06/1.123, allocations: 0 / 1.281 GB, free: 20.36 MB / 1.014 GB Notification: Performance of Transformations before backend: time 0.00017/1.123, allocations: 4 kB / 1.281 GB, free: 20.36 MB / 1.014 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 857 * Number of variables: 857 Notification: Performance of Generate backend data structure: time 0.0102/1.133, allocations: 4.21 MB / 1.285 GB, free: 18.45 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 3.588e-05/1.133, allocations: 12.12 kB / 1.285 GB, free: 18.45 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0141/1.147, allocations: 2.915 MB / 1.287 GB, free: 18.17 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004893/1.152, allocations: 2.393 MB / 1.29 GB, free: 17.54 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002002/1.152, allocations: 254.2 kB / 1.29 GB, free: 17.53 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007716/1.153, allocations: 330.4 kB / 1.29 GB, free: 17.52 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01545/1.169, allocations: 5.459 MB / 1.296 GB, free: 17.22 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.794e-05/1.169, allocations: 3.906 kB / 1.296 GB, free: 17.22 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006223/1.169, allocations: 137.2 kB / 1.296 GB, free: 17.22 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001065/1.17, allocations: 84.73 kB / 1.296 GB, free: 17.22 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02688/1.197, allocations: 6.656 MB / 1.302 GB, free: 17.14 MB / 1.014 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 0.04361/1.24, allocations: 15.89 MB / 1.318 GB, free: 11.32 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01615/1.256, allocations: 4.978 MB / 1.323 GB, free: 10.25 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.008296/1.265, allocations: 2.625 MB / 1.325 GB, free: 9.715 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001287/1.266, allocations: 0.6781 MB / 1.326 GB, free: 9.012 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.009626/1.276, allocations: 2.794 MB / 1.329 GB, free: 8.07 MB / 1.014 GB Notification: Performance of pre-optimization done (n=295): time 1.228e-05/1.276, allocations: 0 / 1.329 GB, free: 8.07 MB / 1.014 GB Notification: Performance of matching and sorting (n=295): time 0.03041/1.306, allocations: 8.2 MB / 1.337 GB, free: 5.711 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000151/1.306, allocations: 221.3 kB / 1.337 GB, free: 5.48 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005482/1.312, allocations: 2.543 MB / 1.339 GB, free: 4.867 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 0.000768/1.313, allocations: 88.97 kB / 1.34 GB, free: 4.832 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.001599/1.314, allocations: 1.418 MB / 1.341 GB, free: 3.75 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.001509/1.316, allocations: 0.9626 MB / 1.342 GB, free: 2.926 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007855/1.317, allocations: 218.4 kB / 1.342 GB, free: 2.789 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 9.913e-05/1.317, allocations: 304.3 kB / 1.342 GB, free: 2.492 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005973/1.323, allocations: 2.167 MB / 1.344 GB, free: 1.406 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006406/1.329, allocations: 2.489 MB / 1.347 GB, free: 32 kB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01234/1.341, allocations: 4.586 MB / 1.351 GB, free: 13.61 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.522e-05/1.342, allocations: 0.5625 kB / 1.351 GB, free: 13.61 MB / 1.029 GB Notification: Performance of matching and sorting (n=342) (initialization): time 0.01605/1.358, allocations: 5.419 MB / 1.357 GB, free: 10.9 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 6.598e-05/1.358, allocations: 39.72 kB / 1.357 GB, free: 10.87 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.977e-05/1.358, allocations: 3.406 kB / 1.357 GB, free: 10.87 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009337/1.359, allocations: 353.2 kB / 1.357 GB, free: 10.73 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004689/1.363, allocations: 0.8478 MB / 1.358 GB, free: 10.22 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005655/1.369, allocations: 3.923 MB / 1.362 GB, free: 6.18 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004941/1.374, allocations: 0.6356 MB / 1.362 GB, free: 5.543 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000773/1.375, allocations: 119.9 kB / 1.362 GB, free: 5.426 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 39 ($PRE.intGai.nextTimeEvent,$whenCondition2,weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,TGro.count,$PRE.TGro.count,TGro.T_start,$PRE.TGro.T_start,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,$whenCondition1,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10,$whenCondition11) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (311): * Single equations (assignments): 309 * Array equations: 0 * Algorithm blocks: 1 * 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 {(3,28,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.003215/1.378, allocations: 0.9939 MB / 1.363 GB, free: 4.453 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001206/1.379, allocations: 296.3 kB / 1.364 GB, free: 4.16 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01594/1.395, allocations: 6.042 MB / 1.37 GB, free: 14.07 MB / 1.045 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.465e-05/1.395, allocations: 28 kB / 1.37 GB, free: 14.05 MB / 1.045 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.394e-05/1.395, allocations: 4 kB / 1.37 GB, free: 14.04 MB / 1.045 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.809e-05/1.395, allocations: 19.94 kB / 1.37 GB, free: 14.02 MB / 1.045 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006833/1.402, allocations: 3.879 MB / 1.373 GB, free: 10.16 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.432e-05/1.402, allocations: 0 / 1.373 GB, free: 10.16 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003946/1.406, allocations: 0.7708 MB / 1.374 GB, free: 9.418 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001077/1.407, allocations: 382.3 kB / 1.375 GB, free: 9.035 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003189/1.408, allocations: 83.92 kB / 1.375 GB, free: 8.953 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006208/1.414, allocations: 5.811 MB / 1.38 GB, free: 2.875 MB / 1.045 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.352e-06/1.414, allocations: 0 / 1.38 GB, free: 2.875 MB / 1.045 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01879/1.433, allocations: 8.611 MB / 1.389 GB, free: 10.19 MB / 1.061 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002309/1.435, allocations: 0.9142 MB / 1.39 GB, free: 9.25 MB / 1.061 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006775/1.436, allocations: 71.98 kB / 1.39 GB, free: 9.18 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003716/1.439, allocations: 491.2 kB / 1.39 GB, free: 8.699 MB / 1.061 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005218/1.44, allocations: 230.1 kB / 1.39 GB, free: 8.473 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002982/1.44, allocations: 107.9 kB / 1.39 GB, free: 8.367 MB / 1.061 GB Notification: Performance of sorting global known variables: time 0.002734/1.443, allocations: 1.857 MB / 1.392 GB, free: 6.504 MB / 1.061 GB Notification: Performance of sort global known variables: time 2.51e-07/1.443, allocations: 0 / 1.392 GB, free: 6.504 MB / 1.061 GB Notification: Performance of remove unused functions: time 0.00341/1.446, allocations: 1.145 MB / 1.393 GB, free: 5.355 MB / 1.061 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (thermalZoneTwoElements.volAir.dynBal.U,thermalZoneTwoElements.volAir.dynBal.m,thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T) * Number of discrete variables: 24 ($whenCondition11,$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,TGro.T_start,TGro.count) * Number of discrete states: 12 (intGai.nextTimeEventScaled,TGro.count,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 (283): * Single equations (assignments): 267 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 13 * 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 {(3,25,100.0%), (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 0.002746/1.449, allocations: 1.053 MB / 1.394 GB, free: 4.699 MB / 1.061 GB Notification: Performance of simCode: created initialization part: time 0.0126/1.462, allocations: 5.299 MB / 1.4 GB, free: 15.38 MB / 1.076 GB Notification: Performance of simCode: created event and clocks part: time 7.163e-06/1.462, allocations: 8 kB / 1.4 GB, free: 15.38 MB / 1.076 GB Notification: Performance of simCode: created simulation system equations: time 0.00634/1.468, allocations: 2.994 MB / 1.403 GB, free: 12.41 MB / 1.076 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003674/1.472, allocations: 0.6895 MB / 1.403 GB, free: 11.73 MB / 1.076 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 0.0165/1.488, allocations: 10.05 MB / 1.413 GB, free: 1.645 MB / 1.076 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002271/1.491, allocations: 2.55 MB / 1.416 GB, free: 15.06 MB / 1.092 GB Notification: Performance of simCode: alias equations: time 0.004684/1.495, allocations: 1.172 MB / 1.417 GB, free: 13.89 MB / 1.092 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001223/1.497, allocations: 287.1 kB / 1.417 GB, free: 13.61 MB / 1.092 GB Notification: Performance of SimCode: time 7.62e-07/1.497, allocations: 0 / 1.417 GB, free: 13.61 MB / 1.092 GB Notification: Performance of Templates: time 0.07839/1.575, allocations: 49.03 MB / 1.465 GB, free: 13.17 MB / 1.139 GB make -j1 -f Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround.makefile (rm -f Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround.pipe ; mkfifo Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround.pipe ; head -c 1048576 < Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround.pipe >> ../files/Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround.sim & ./Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomTwoElementsNonConstantTGround.pipe 2>&1)