Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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_11_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements,fileNamePrefix="Buildings_11_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 0.008323/0.008323, allocations: 99.05 kB / 15.73 MB, free: 6.055 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002445/0.002445, allocations: 202 kB / 16.68 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.345/1.345, allocations: 222.9 MB / 240.4 MB, free: 4.328 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.551/2.551, allocations: 469.8 MB / 0.7425 GB, free: 7.301 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001659/0.001659, allocations: 67.89 kB / 1.065 GB, free: 13.61 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2578/0.2594, allocations: 159.1 MB / 1.22 GB, free: 14.35 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements): time 0.6707/0.9302, allocations: 165 MB / 1.381 GB, free: 4.609 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.0364/0.9666, allocations: 27.81 MB / 1.408 GB, free: 13.97 MB / 1.107 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002929/0.9696, allocations: 87.59 kB / 1.409 GB, free: 13.94 MB / 1.107 GB Notification: Performance of NFTyping.typeComponents: time 0.0024/0.972, allocations: 1.195 MB / 1.41 GB, free: 13.06 MB / 1.107 GB Notification: Performance of NFTyping.typeBindings: time 0.005368/0.9774, allocations: 2.073 MB / 1.412 GB, free: 11.45 MB / 1.107 GB Notification: Performance of NFTyping.typeClassSections: time 0.004603/0.982, allocations: 2.068 MB / 1.414 GB, free: 9.797 MB / 1.107 GB Notification: Performance of NFFlatten.flatten: time 0.007648/0.9897, allocations: 6.597 MB / 1.42 GB, free: 5.785 MB / 1.107 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005639/0.9953, allocations: 4.927 MB / 1.425 GB, free: 2.746 MB / 1.107 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003583/0.9989, allocations: 2.48 MB / 1.427 GB, free: 1.207 MB / 1.107 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004105/1.003, allocations: 3.013 MB / 1.43 GB, free: 14.18 MB / 1.123 GB Notification: Performance of NFPackage.collectConstants: time 0.0008875/1.004, allocations: 0.5508 MB / 1.431 GB, free: 13.63 MB / 1.123 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00244/1.006, allocations: 1.171 MB / 1.432 GB, free: 12.46 MB / 1.123 GB Notification: Performance of NFScalarize.scalarize: time 0.001419/1.008, allocations: 1.433 MB / 1.433 GB, free: 11.02 MB / 1.123 GB Notification: Performance of NFVerifyModel.verify: time 0.00299/1.011, allocations: 2.601 MB / 1.436 GB, free: 8.41 MB / 1.123 GB Notification: Performance of NFConvertDAE.convert: time 0.008458/1.019, allocations: 7.264 MB / 1.443 GB, free: 1.121 MB / 1.123 GB Notification: Performance of FrontEnd - DAE generated: time 3.506e-06/1.019, allocations: 0 / 1.443 GB, free: 1.121 MB / 1.123 GB Notification: Performance of FrontEnd: time 1.312e-06/1.019, allocations: 0 / 1.443 GB, free: 1.121 MB / 1.123 GB Notification: Performance of Transformations before backend: time 7.82e-05/1.019, allocations: 0 / 1.443 GB, free: 1.121 MB / 1.123 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 989 * Number of variables: 989 Notification: Performance of Generate backend data structure: time 0.01106/1.03, allocations: 5.595 MB / 1.449 GB, free: 11.43 MB / 1.139 GB Notification: Performance of prepare preOptimizeDAE: time 3.768e-05/1.03, allocations: 8.031 kB / 1.449 GB, free: 11.42 MB / 1.139 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007066/1.031, allocations: 0.5267 MB / 1.449 GB, free: 10.89 MB / 1.139 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01395/1.045, allocations: 2.875 MB / 1.452 GB, free: 8.004 MB / 1.139 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00463/1.05, allocations: 2.687 MB / 1.454 GB, free: 5.246 MB / 1.139 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002401/1.05, allocations: 283.8 kB / 1.455 GB, free: 4.969 MB / 1.139 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006115/1.051, allocations: 384 kB / 1.455 GB, free: 4.594 MB / 1.139 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01166/1.062, allocations: 5.927 MB / 1.461 GB, free: 14.61 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.258e-05/1.062, allocations: 7.938 kB / 1.461 GB, free: 14.6 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004106/1.063, allocations: 156 kB / 1.461 GB, free: 14.45 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.898e-05/1.063, allocations: 99.94 kB / 1.461 GB, free: 14.35 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01561/1.079, allocations: 7.038 MB / 1.468 GB, free: 7.305 MB / 1.154 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 0.02783/1.106, allocations: 18.57 MB / 1.486 GB, free: 3.805 MB / 1.17 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009951/1.116, allocations: 4.791 MB / 1.491 GB, free: 15.01 MB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005972/1.122, allocations: 3.065 MB / 1.494 GB, free: 11.94 MB / 1.186 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009525/1.123, allocations: 0.6778 MB / 1.494 GB, free: 11.13 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.006062/1.129, allocations: 2.974 MB / 1.497 GB, free: 8.125 MB / 1.186 GB Notification: Performance of pre-optimization done (n=336): time 4.649e-06/1.129, allocations: 4 kB / 1.497 GB, free: 8.121 MB / 1.186 GB Notification: Performance of matching and sorting (n=336): time 0.02582/1.155, allocations: 10.2 MB / 1.507 GB, free: 13.8 MB / 1.201 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001404/1.155, allocations: 218.6 kB / 1.508 GB, free: 13.54 MB / 1.201 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003668/1.159, allocations: 2.798 MB / 1.51 GB, free: 10.72 MB / 1.201 GB Notification: Performance of collectPreVariables (initialization): time 0.0002545/1.159, allocations: 93.64 kB / 1.51 GB, free: 10.62 MB / 1.201 GB Notification: Performance of collectInitialEqns (initialization): time 0.001462/1.161, allocations: 1.628 MB / 1.512 GB, free: 8.98 MB / 1.201 GB Notification: Performance of collectInitialBindings (initialization): time 0.001078/1.162, allocations: 1.15 MB / 1.513 GB, free: 7.82 MB / 1.201 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001086/1.163, allocations: 0.5649 MB / 1.514 GB, free: 7.246 MB / 1.201 GB Notification: Performance of setup shared object (initialization): time 0.0001258/1.163, allocations: 305.1 kB / 1.514 GB, free: 6.945 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005193/1.168, allocations: 2.293 MB / 1.516 GB, free: 4.648 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0056/1.174, allocations: 2.676 MB / 1.519 GB, free: 1.887 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01072/1.185, allocations: 4.895 MB / 1.524 GB, free: 12.91 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.473e-06/1.185, allocations: 0 / 1.524 GB, free: 12.91 MB / 1.217 GB Notification: Performance of matching and sorting (n=375) (initialization): time 0.01334/1.198, allocations: 6.071 MB / 1.529 GB, free: 6.805 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 2.08e-05/1.198, allocations: 8.094 kB / 1.53 GB, free: 6.797 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.244e-05/1.198, allocations: 7.875 kB / 1.53 GB, free: 6.789 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001808/1.2, allocations: 0.8396 MB / 1.53 GB, free: 5.949 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004014/1.204, allocations: 0.8424 MB / 1.531 GB, free: 5.105 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01096/1.215, allocations: 7.582 MB / 1.539 GB, free: 13.38 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00357/1.218, allocations: 0.6127 MB / 1.539 GB, free: 12.76 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002941/1.219, allocations: 119.9 kB / 1.539 GB, free: 12.64 MB / 1.232 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 0.001947/1.221, allocations: 1.075 MB / 1.54 GB, free: 11.56 MB / 1.232 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006223/1.221, allocations: 353.7 kB / 1.541 GB, free: 11.21 MB / 1.232 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01509/1.236, allocations: 6.751 MB / 1.547 GB, free: 4.402 MB / 1.232 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.712e-05/1.236, allocations: 36 kB / 1.547 GB, free: 4.367 MB / 1.232 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.29e-05/1.237, allocations: 8 kB / 1.547 GB, free: 4.359 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.493e-05/1.237, allocations: 19.94 kB / 1.547 GB, free: 4.34 MB / 1.232 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00562/1.242, allocations: 4.408 MB / 1.552 GB, free: 15.86 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.295e-06/1.242, allocations: 0 / 1.552 GB, free: 15.86 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003827/1.246, allocations: 0.784 MB / 1.552 GB, free: 15.07 MB / 1.248 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001779/1.248, allocations: 0.7418 MB / 1.553 GB, free: 14.32 MB / 1.248 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002868/1.248, allocations: 103.8 kB / 1.553 GB, free: 14.21 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01248/1.261, allocations: 10.66 MB / 1.564 GB, free: 3.109 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.152e-06/1.261, allocations: 0 / 1.564 GB, free: 3.109 MB / 1.248 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01973/1.28, allocations: 9.591 MB / 1.573 GB, free: 9.438 MB / 1.264 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001662/1.282, allocations: 0.9783 MB / 1.574 GB, free: 8.438 MB / 1.264 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004944/1.283, allocations: 79.88 kB / 1.574 GB, free: 8.359 MB / 1.264 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00313/1.286, allocations: 431.3 kB / 1.574 GB, free: 7.938 MB / 1.264 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005185/1.286, allocations: 258.4 kB / 1.575 GB, free: 7.684 MB / 1.264 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002885/1.286, allocations: 119.9 kB / 1.575 GB, free: 7.566 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.002719/1.289, allocations: 2.025 MB / 1.577 GB, free: 5.539 MB / 1.264 GB Notification: Performance of sort global known variables: time 1.7e-07/1.289, allocations: 0 / 1.577 GB, free: 5.539 MB / 1.264 GB Notification: Performance of remove unused functions: time 0.002838/1.292, allocations: 1.333 MB / 1.578 GB, free: 4.203 MB / 1.264 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 0.02326/1.315, allocations: 11.14 MB / 1.589 GB, free: 9.324 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.01254/1.328, allocations: 5.809 MB / 1.595 GB, free: 3.484 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 5.962e-06/1.328, allocations: 4 kB / 1.595 GB, free: 3.48 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.006956/1.335, allocations: 3.482 MB / 1.598 GB, free: 15.95 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00329/1.338, allocations: 0.8325 MB / 1.599 GB, free: 15.16 MB / 1.295 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.06216/1.4, allocations: 34.96 MB / 1.633 GB, free: 11.84 MB / 1.326 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00269/1.403, allocations: 2.783 MB / 1.636 GB, free: 9.023 MB / 1.326 GB Notification: Performance of simCode: alias equations: time 0.003642/1.407, allocations: 1.209 MB / 1.637 GB, free: 7.812 MB / 1.326 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002729/1.409, allocations: 1.729 MB / 1.639 GB, free: 6.082 MB / 1.326 GB Notification: Performance of SimCode: time 6.81e-07/1.409, allocations: 0 / 1.639 GB, free: 6.082 MB / 1.326 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.006/2.415, allocations: 87.25 MB / 1.724 GB, free: 15.37 MB / 1.42 GB Notification: Performance of buildModelFMU: Generate platform static: time 31.9/34.32, allocations: 7.938 kB / 1.724 GB, free: 15.36 MB / 1.42 GB (rm -f Buildings_11_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.pipe ; mkfifo Buildings_11_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.pipe ; head -c 1048576 < Buildings_11_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.pipe >> ../files/Buildings_11_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements_res.mat --tempDir=temp_Buildings_11_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_fmu --startTime=0 --stopTime=3.1536e+07 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements.fmu > Buildings_11_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.pipe 2>&1)