Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass") translateModel(BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00144/0.00144, allocations: 110.1 kB / 16.41 MB, free: 6.496 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001728/0.001729, allocations: 185.5 kB / 17.34 MB, free: 5.762 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.339/1.339, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002129/0.002129, allocations: 290.3 kB / 291.5 MB, free: 14.47 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9663/0.9663, allocations: 169.3 MB / 0.499 GB, free: 4.449 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001921/0.001921, allocations: 99.86 kB / 0.6821 GB, free: 6.965 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5693/0.5712, allocations: 86.98 MB / 0.7671 GB, free: 4.062 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass): time 0.1828/0.7541, allocations: 177.1 MB / 0.94 GB, free: 2.27 MB / 0.7012 GB Notification: Performance of NFInst.instExpressions: time 0.007715/0.7618, allocations: 4.394 MB / 0.9443 GB, free: 13.87 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00101/0.7629, allocations: 27.81 kB / 0.9443 GB, free: 13.84 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.001042/0.764, allocations: 365.8 kB / 0.9447 GB, free: 13.48 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.003066/0.7671, allocations: 1.248 MB / 0.9459 GB, free: 12.23 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.001832/0.7689, allocations: 0.7041 MB / 0.9466 GB, free: 11.53 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.001932/0.7708, allocations: 1.617 MB / 0.9482 GB, free: 9.906 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006713/0.7715, allocations: 0.5291 MB / 0.9487 GB, free: 9.371 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001161/0.7727, allocations: 0.6912 MB / 0.9494 GB, free: 8.68 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001026/0.7737, allocations: 494.1 kB / 0.9498 GB, free: 8.195 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 8.82e-05/0.7738, allocations: 52 kB / 0.9499 GB, free: 8.145 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0023/0.7761, allocations: 1.29 MB / 0.9511 GB, free: 6.852 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.0002354/0.7764, allocations: 235.3 kB / 0.9514 GB, free: 6.621 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.0003362/0.7767, allocations: 350.3 kB / 0.9517 GB, free: 6.277 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.001752/0.7785, allocations: 1.285 MB / 0.953 GB, free: 4.988 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 4.538e-06/0.7785, allocations: 4 kB / 0.953 GB, free: 4.984 MB / 0.7169 GB Notification: Performance of FrontEnd: time 1.693e-06/0.7785, allocations: 0 / 0.953 GB, free: 4.984 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 1.002e-05/0.7785, allocations: 0 / 0.953 GB, free: 4.984 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 104 * Number of variables: 104 Notification: Performance of Generate backend data structure: time 0.001462/0.78, allocations: 1.008 MB / 0.9539 GB, free: 3.926 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 4.304e-05/0.7801, allocations: 8.031 kB / 0.9539 GB, free: 3.918 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001043/0.7811, allocations: 167.1 kB / 0.9541 GB, free: 3.754 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008162/0.7819, allocations: 0.5596 MB / 0.9547 GB, free: 3.156 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.287e-05/0.782, allocations: 41 kB / 0.9547 GB, free: 3.117 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.25e-05/0.7821, allocations: 40 kB / 0.9547 GB, free: 3.078 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008104/0.7829, allocations: 470.2 kB / 0.9552 GB, free: 2.613 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.32e-05/0.7829, allocations: 0 / 0.9552 GB, free: 2.613 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.613e-05/0.7829, allocations: 16 kB / 0.9552 GB, free: 2.598 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.68e-05/0.783, allocations: 21 kB / 0.9552 GB, free: 2.578 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007373/0.7837, allocations: 415.7 kB / 0.9556 GB, free: 2.172 MB / 0.7169 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 0.4162/1.2, allocations: 2.032 MB / 0.9576 GB, free: 191.7 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007882/1.201, allocations: 289.5 kB / 0.9579 GB, free: 191.6 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004152/1.201, allocations: 186.2 kB / 0.958 GB, free: 191.6 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002776/1.202, allocations: 193.9 kB / 0.9582 GB, free: 191.5 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.975e-05/1.202, allocations: 40.64 kB / 0.9583 GB, free: 191.4 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=30): time 2.545e-06/1.202, allocations: 2.625 kB / 0.9583 GB, free: 191.4 MB / 0.7169 GB Notification: Performance of matching and sorting (n=30): time 0.001883/1.203, allocations: 0.638 MB / 0.9589 GB, free: 191.2 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.532e-05/1.204, allocations: 58.56 kB / 0.959 GB, free: 191.1 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006667/1.204, allocations: 444.8 kB / 0.9594 GB, free: 190.9 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 3.539e-05/1.204, allocations: 32.2 kB / 0.9594 GB, free: 190.9 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002015/1.204, allocations: 289.2 kB / 0.9597 GB, free: 190.7 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 9.538e-05/1.205, allocations: 106.8 kB / 0.9598 GB, free: 190.6 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001293/1.205, allocations: 62.95 kB / 0.9598 GB, free: 190.6 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0001017/1.205, allocations: 357.3 kB / 0.9602 GB, free: 190.3 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003364/1.205, allocations: 133 kB / 0.9603 GB, free: 190.2 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004141/1.206, allocations: 205.4 kB / 0.9605 GB, free: 190.1 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006596/1.206, allocations: 327.8 kB / 0.9608 GB, free: 189.9 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.795e-06/1.206, allocations: 0.5312 kB / 0.9608 GB, free: 189.9 MB / 0.7169 GB Notification: Performance of matching and sorting (n=37) (initialization): time 0.0007174/1.207, allocations: 409.7 kB / 0.9612 GB, free: 189.8 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 1.862e-05/1.207, allocations: 7.531 kB / 0.9612 GB, free: 189.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.622e-06/1.207, allocations: 0 / 0.9612 GB, free: 189.8 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.817e-05/1.207, allocations: 3.188 kB / 0.9612 GB, free: 189.8 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003615/1.207, allocations: 67.75 kB / 0.9613 GB, free: 189.8 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.105e-05/1.207, allocations: 5.906 kB / 0.9613 GB, free: 189.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004447/1.208, allocations: 50.91 kB / 0.9613 GB, free: 189.8 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.436e-05/1.208, allocations: 10.19 kB / 0.9614 GB, free: 189.8 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004199/1.208, allocations: 292.7 kB / 0.9616 GB, free: 189.6 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002938/1.209, allocations: 206.3 kB / 0.9618 GB, free: 189.5 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005095/1.209, allocations: 328.8 kB / 0.9621 GB, free: 189.3 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.373e-06/1.209, allocations: 0 / 0.9621 GB, free: 189.3 MB / 0.7169 GB Notification: Performance of matching and sorting (n=37) (initialization_lambda0): time 0.0006879/1.21, allocations: 405.8 kB / 0.9625 GB, free: 189.2 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 1.014e-05/1.21, allocations: 6.312 kB / 0.9625 GB, free: 189.2 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.875e-06/1.21, allocations: 1.344 kB / 0.9625 GB, free: 189.2 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.077e-06/1.21, allocations: 2.781 kB / 0.9625 GB, free: 189.2 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000298/1.21, allocations: 70.56 kB / 0.9626 GB, free: 189.2 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.713e-06/1.21, allocations: 12.56 kB / 0.9626 GB, free: 189.1 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004048/1.211, allocations: 33.08 kB / 0.9627 GB, free: 189.1 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.783e-05/1.211, allocations: 14.72 kB / 0.9627 GB, free: 189.1 MB / 0.7169 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (37): * Single equations (assignments): 37 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 9.519e-05/1.211, allocations: 193.9 kB / 0.9628 GB, free: 188.9 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.213e-05/1.211, allocations: 51.81 kB / 0.9629 GB, free: 188.9 MB / 0.7169 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008507/1.212, allocations: 417.2 kB / 0.9633 GB, free: 188.7 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.75e-06/1.212, allocations: 3.25 kB / 0.9633 GB, free: 188.7 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.295e-06/1.212, allocations: 1.062 kB / 0.9633 GB, free: 188.7 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0006867/1.212, allocations: 448.3 kB / 0.9637 GB, free: 188.5 MB / 0.7169 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001762/1.214, allocations: 1.148 MB / 0.9648 GB, free: 187.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.907e-06/1.214, allocations: 2.078 kB / 0.9649 GB, free: 187.8 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002803/1.214, allocations: 56.02 kB / 0.9649 GB, free: 187.8 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002293/1.215, allocations: 51.03 kB / 0.965 GB, free: 187.8 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.555e-05/1.215, allocations: 9.75 kB / 0.965 GB, free: 187.8 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001018/1.216, allocations: 1.538 MB / 0.9665 GB, free: 186.3 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.937e-06/1.216, allocations: 7.438 kB / 0.9665 GB, free: 186.3 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00102/1.217, allocations: 0.6859 MB / 0.9671 GB, free: 185.9 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001667/1.217, allocations: 167.9 kB / 0.9673 GB, free: 185.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.13e-05/1.217, allocations: 9.516 kB / 0.9673 GB, free: 185.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003815/1.217, allocations: 23.34 kB / 0.9673 GB, free: 185.8 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.943e-05/1.218, allocations: 30.41 kB / 0.9674 GB, free: 185.7 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.714e-05/1.218, allocations: 15.08 kB / 0.9674 GB, free: 185.7 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.0003439/1.218, allocations: 313.7 kB / 0.9677 GB, free: 185.6 MB / 0.7169 GB Notification: Performance of sort global known variables: time 1.2e-07/1.218, allocations: 0 / 0.9677 GB, free: 185.6 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.0008493/1.219, allocations: 298.1 kB / 0.968 GB, free: 185.5 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 2 (vol.dynBal.medium.Xi[1],vol.dynBal.U) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (28): * Single equations (assignments): 27 * 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 {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0004562/1.219, allocations: 195.2 kB / 0.9681 GB, free: 185.4 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.000981/1.22, allocations: 0.4924 MB / 0.9686 GB, free: 185.3 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 3.807e-06/1.22, allocations: 1.375 kB / 0.9686 GB, free: 185.3 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.000456/1.221, allocations: 289 kB / 0.9689 GB, free: 185.1 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001408/1.222, allocations: 298.8 kB / 0.9692 GB, free: 185.1 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001424/1.224, allocations: 1.122 MB / 0.9703 GB, free: 184.4 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00033/1.224, allocations: 0.8985 MB / 0.9712 GB, free: 183.7 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001127/1.224, allocations: 51.67 kB / 0.9712 GB, free: 183.6 MB / 0.7169 GB Notification: Performance of SimCode: time 2.31e-07/1.224, allocations: 0 / 0.9712 GB, free: 183.6 MB / 0.7169 GB Notification: Performance of Templates: time 0.01049/1.235, allocations: 9.688 MB / 0.9807 GB, free: 175.7 MB / 0.7169 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.sim & ./BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe 2>&1)