Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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.Fluid.Interfaces.Examples.ConservationEquation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation") translateModel(Buildings.Fluid.Interfaces.Examples.ConservationEquation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00166/0.001659, allocations: 107.2 kB / 15.99 MB, free: 5.895 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002089/0.002089, allocations: 195.3 kB / 16.91 MB, free: 5.746 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.438/1.438, allocations: 205.1 MB / 222.8 MB, free: 4.652 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.701/1.701, allocations: 292.3 MB / 0.5492 GB, free: 13.61 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00137/0.001371, allocations: 67.73 kB / 0.6716 GB, free: 26.43 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.272/0.2734, allocations: 114.6 MB / 0.7835 GB, free: 13.89 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Interfaces.Examples.ConservationEquation): time 0.02353/0.297, allocations: 20.71 MB / 0.8037 GB, free: 9.098 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.008369/0.3054, allocations: 5.33 MB / 0.8089 GB, free: 3.75 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000965/0.3064, allocations: 23.81 kB / 0.809 GB, free: 3.727 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.001055/0.3075, allocations: 286.5 kB / 0.8092 GB, free: 3.445 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.002805/0.3104, allocations: 0.8524 MB / 0.8101 GB, free: 2.59 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002729/0.3131, allocations: 0.8469 MB / 0.8109 GB, free: 1.754 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.002705/0.3158, allocations: 1.712 MB / 0.8126 GB, free: 40 kB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007835/0.3166, allocations: 489.5 kB / 0.813 GB, free: 15.55 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001959/0.3186, allocations: 0.6985 MB / 0.8137 GB, free: 14.85 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0006392/0.3192, allocations: 0.5095 MB / 0.8142 GB, free: 14.34 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 7.001e-05/0.3193, allocations: 40 kB / 0.8143 GB, free: 14.3 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002117/0.3214, allocations: 1.127 MB / 0.8154 GB, free: 13.17 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.0001757/0.3216, allocations: 139.4 kB / 0.8155 GB, free: 13.04 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.0003679/0.322, allocations: 330.3 kB / 0.8158 GB, free: 12.71 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.001335/0.3233, allocations: 0.8733 MB / 0.8167 GB, free: 11.84 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 4.669e-06/0.3233, allocations: 0 / 0.8167 GB, free: 11.84 MB / 0.6387 GB Notification: Performance of FrontEnd: time 1.663e-06/0.3234, allocations: 0 / 0.8167 GB, free: 11.84 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 1.019e-05/0.3234, allocations: 0 / 0.8167 GB, free: 11.84 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 92 * Number of variables: 92 Notification: Performance of Generate backend data structure: time 0.00171/0.3251, allocations: 1.041 MB / 0.8177 GB, free: 10.73 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.854e-05/0.3251, allocations: 12.03 kB / 0.8177 GB, free: 10.72 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009017/0.3261, allocations: 180 kB / 0.8179 GB, free: 10.55 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001047/0.3271, allocations: 0.569 MB / 0.8184 GB, free: 9.934 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003219/0.3274, allocations: 88.88 kB / 0.8185 GB, free: 9.848 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.292e-05/0.3275, allocations: 40 kB / 0.8185 GB, free: 9.809 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001021/0.3286, allocations: 499.9 kB / 0.819 GB, free: 9.297 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.077e-05/0.3286, allocations: 4 kB / 0.819 GB, free: 9.293 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.459e-05/0.3286, allocations: 19.98 kB / 0.819 GB, free: 9.273 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.924e-05/0.3287, allocations: 12 kB / 0.819 GB, free: 9.262 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001037/0.3297, allocations: 422.6 kB / 0.8194 GB, free: 8.848 MB / 0.6387 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 0.003248/0.333, allocations: 2.277 MB / 0.8217 GB, free: 6.359 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001061/0.3341, allocations: 379 kB / 0.822 GB, free: 5.98 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004954/0.3346, allocations: 233 kB / 0.8223 GB, free: 5.75 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003326/0.3349, allocations: 336.7 kB / 0.8226 GB, free: 5.348 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006864/0.3356, allocations: 306.1 kB / 0.8229 GB, free: 5.031 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=33): time 3.266e-06/0.3356, allocations: 0 / 0.8229 GB, free: 5.031 MB / 0.6387 GB Notification: Performance of matching and sorting (n=33): time 0.002367/0.338, allocations: 0.8646 MB / 0.8237 GB, free: 4.133 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.747e-05/0.3381, allocations: 85.11 kB / 0.8238 GB, free: 4.031 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006054/0.3387, allocations: 495 kB / 0.8243 GB, free: 3.539 MB / 0.6387 GB Notification: Performance of collectPreVariables (initialization): time 5.37e-05/0.3388, allocations: 37.7 kB / 0.8243 GB, free: 3.496 MB / 0.6387 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002389/0.339, allocations: 272.4 kB / 0.8246 GB, free: 3.227 MB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001051/0.3391, allocations: 114.4 kB / 0.8247 GB, free: 3.113 MB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001356/0.3393, allocations: 85.58 kB / 0.8248 GB, free: 3.023 MB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001491/0.3394, allocations: 358.8 kB / 0.8251 GB, free: 2.664 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004453/0.3399, allocations: 184.5 kB / 0.8253 GB, free: 2.48 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005351/0.3404, allocations: 273.9 kB / 0.8255 GB, free: 2.18 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009162/0.3413, allocations: 474.8 kB / 0.826 GB, free: 1.684 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.326e-06/0.3414, allocations: 0 / 0.826 GB, free: 1.684 MB / 0.6387 GB Notification: Performance of matching and sorting (n=42) (initialization): time 0.001411/0.3428, allocations: 0.6279 MB / 0.8266 GB, free: 1.039 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 4.499e-05/0.3428, allocations: 37.7 kB / 0.8266 GB, free: 0.9961 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.376e-06/0.3428, allocations: 0 / 0.8266 GB, free: 0.9961 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003603/0.3432, allocations: 68.8 kB / 0.8267 GB, free: 0.9258 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003827/0.3436, allocations: 87.97 kB / 0.8268 GB, free: 0.8398 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005006/0.3441, allocations: 0.5914 MB / 0.8274 GB, free: 228 kB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005787/0.3447, allocations: 71.7 kB / 0.8274 GB, free: 156 kB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.303e-05/0.3448, allocations: 23.98 kB / 0.8275 GB, free: 132 kB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006206/0.3454, allocations: 312 kB / 0.8277 GB, free: 15.82 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005057/0.3459, allocations: 265.2 kB / 0.828 GB, free: 15.53 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000916/0.3468, allocations: 476.8 kB / 0.8285 GB, free: 15.03 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.763e-06/0.3469, allocations: 0 / 0.8285 GB, free: 15.03 MB / 0.6544 GB Notification: Performance of matching and sorting (n=42) (initialization_lambda0): time 0.001294/0.3482, allocations: 0.6006 MB / 0.829 GB, free: 14.41 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.398e-05/0.3482, allocations: 37.69 kB / 0.8291 GB, free: 14.37 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.909e-06/0.3482, allocations: 4 kB / 0.8291 GB, free: 14.36 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001484/0.3484, allocations: 44.83 kB / 0.8291 GB, free: 14.32 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003614/0.3487, allocations: 88.03 kB / 0.8292 GB, free: 14.23 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001738/0.3505, allocations: 1.802 MB / 0.831 GB, free: 12.28 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005426/0.351, allocations: 67.75 kB / 0.831 GB, free: 12.21 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.463e-05/0.3511, allocations: 23.88 kB / 0.8311 GB, free: 12.19 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 7 (QSen_flow.nextEventScaled,QSen_flow.nextEvent,$PRE.QSen_flow.nextEvent,QSen_flow.last,QSen_flow.b,QSen_flow.a,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (32): * Single equations (assignments): 30 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,5)} Notification: Performance of prepare postOptimizeDAE: time 0.0002354/0.3513, allocations: 244.7 kB / 0.8313 GB, free: 11.94 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001246/0.3515, allocations: 55.34 kB / 0.8313 GB, free: 11.88 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001474/0.353, allocations: 0.6454 MB / 0.832 GB, free: 11.21 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.203e-05/0.353, allocations: 7.984 kB / 0.832 GB, free: 11.2 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.984e-06/0.353, allocations: 3.938 kB / 0.832 GB, free: 11.2 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001295/0.3543, allocations: 0.8174 MB / 0.8328 GB, free: 10.3 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002387/0.3567, allocations: 1.305 MB / 0.8341 GB, free: 8.926 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.272e-06/0.3567, allocations: 4 kB / 0.8341 GB, free: 8.922 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003477/0.3571, allocations: 59.89 kB / 0.8341 GB, free: 8.863 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001423/0.3572, allocations: 52.92 kB / 0.8342 GB, free: 8.809 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.644e-05/0.3573, allocations: 8 kB / 0.8342 GB, free: 8.801 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000376/0.3576, allocations: 0.5758 MB / 0.8347 GB, free: 8.199 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.687e-06/0.3577, allocations: 3.938 kB / 0.8347 GB, free: 8.195 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00188/0.3595, allocations: 0.9758 MB / 0.8357 GB, free: 7.184 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000267/0.3598, allocations: 176.3 kB / 0.8359 GB, free: 6.992 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001077/0.3599, allocations: 8.047 kB / 0.8359 GB, free: 6.984 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005905/0.3605, allocations: 59.98 kB / 0.8359 GB, free: 6.926 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.557e-05/0.3606, allocations: 31.91 kB / 0.836 GB, free: 6.895 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.974e-05/0.3607, allocations: 19.98 kB / 0.836 GB, free: 6.875 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.0004022/0.3611, allocations: 342.9 kB / 0.8363 GB, free: 6.543 MB / 0.6544 GB Notification: Performance of sort global known variables: time 1.9e-07/0.3611, allocations: 3.938 kB / 0.8363 GB, free: 6.539 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.001169/0.3623, allocations: 343.4 kB / 0.8366 GB, free: 6.203 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 1 (dyn.U) * Number of discrete variables: 6 ($whenCondition1,QSen_flow.a,QSen_flow.b,QSen_flow.last,QSen_flow.nextEvent,QSen_flow.nextEventScaled) * Number of discrete states: 6 (QSen_flow.nextEvent,QSen_flow.last,QSen_flow.nextEventScaled,QSen_flow.b,QSen_flow.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (26): * Single equations (assignments): 22 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 2 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008544/0.3631, allocations: 303.2 kB / 0.8369 GB, free: 5.906 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.002222/0.3654, allocations: 0.9982 MB / 0.8379 GB, free: 4.871 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 3.847e-06/0.3654, allocations: 0 / 0.8379 GB, free: 4.871 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.0006324/0.366, allocations: 323.4 kB / 0.8382 GB, free: 4.543 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00118/0.3672, allocations: 224.3 kB / 0.8384 GB, free: 4.336 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002644/0.3699, allocations: 1.354 MB / 0.8397 GB, free: 2.941 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005304/0.3704, allocations: 0.8783 MB / 0.8406 GB, free: 2.035 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000181/0.3706, allocations: 55.36 kB / 0.8407 GB, free: 1.98 MB / 0.6544 GB Notification: Performance of SimCode: time 4.11e-07/0.3706, allocations: 0 / 0.8407 GB, free: 1.98 MB / 0.6544 GB Notification: Performance of Templates: time 0.01893/0.3895, allocations: 11.38 MB / 0.8518 GB, free: 6.656 MB / 0.67 GB make -j1 -f Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.makefile (rm -f Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.pipe ; mkfifo Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.pipe >> ../files/Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.sim & ./Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.pipe 2>&1)