Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass")
translateModel(IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001262/0.001262, allocations: 108.5 kB / 17.08 MB, free: 5.996 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001419/0.00142, allocations: 192.7 kB / 18.01 MB, free: 5.074 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.282/1.282, allocations: 222.9 MB / 241.7 MB, free: 15.16 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7185/0.7185, allocations: 115.3 MB / 407.2 MB, free: 6.148 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001236/0.001236, allocations: 67.66 kB / 0.5583 GB, free: 32.51 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1378/0.1391, allocations: 76.18 MB / 0.6327 GB, free: 4.516 MB / 478.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass): time 0.5414/0.6805, allocations: 177.1 MB / 0.8057 GB, free: 12.29 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.006597/0.6871, allocations: 4.398 MB / 0.81 GB, free: 11.84 MB / 0.5919 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001224/0.6884, allocations: 24.81 kB / 0.81 GB, free: 11.83 MB / 0.5919 GB
Notification: Performance of NFTyping.typeComponents: time 0.001096/0.6895, allocations: 361.5 kB / 0.8103 GB, free: 11.7 MB / 0.5919 GB
Notification: Performance of NFTyping.typeBindings: time 0.0034/0.6929, allocations: 1.257 MB / 0.8116 GB, free: 11.25 MB / 0.5919 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001923/0.6949, allocations: 0.6964 MB / 0.8123 GB, free: 11.01 MB / 0.5919 GB
Notification: Performance of NFFlatten.flatten: time 0.001919/0.6968, allocations: 1.62 MB / 0.8138 GB, free: 10.55 MB / 0.5919 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0006603/0.6975, allocations: 0.5319 MB / 0.8144 GB, free: 10.38 MB / 0.5919 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00119/0.6987, allocations: 0.6913 MB / 0.815 GB, free: 10.13 MB / 0.5919 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0009746/0.6996, allocations: 496.3 kB / 0.8155 GB, free: 9.926 MB / 0.5919 GB
Notification: Performance of NFPackage.collectConstants: time 7.56e-05/0.6997, allocations: 52.81 kB / 0.8156 GB, free: 9.926 MB / 0.5919 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002425/0.7022, allocations: 1.291 MB / 0.8168 GB, free: 9.344 MB / 0.5919 GB
Notification: Performance of NFScalarize.scalarize: time 0.0002519/0.7024, allocations: 236.4 kB / 0.817 GB, free: 9.191 MB / 0.5919 GB
Notification: Performance of NFVerifyModel.verify: time 0.0003558/0.7028, allocations: 357.1 kB / 0.8174 GB, free: 8.969 MB / 0.5919 GB
Notification: Performance of NFConvertDAE.convert: time 0.001746/0.7045, allocations: 1.275 MB / 0.8186 GB, free: 8.23 MB / 0.5919 GB
Notification: Performance of FrontEnd - DAE generated: time 4.719e-06/0.7046, allocations: 0 / 0.8186 GB, free: 8.23 MB / 0.5919 GB
Notification: Performance of FrontEnd: time 1.503e-06/0.7046, allocations: 0 / 0.8186 GB, free: 8.23 MB / 0.5919 GB
Notification: Performance of Transformations before backend: time 8.706e-06/0.7046, allocations: 6.438 kB / 0.8186 GB, free: 8.227 MB / 0.5919 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 0.001445/0.706, allocations: 0.9988 MB / 0.8196 GB, free: 7.422 MB / 0.5919 GB
Notification: Performance of prepare preOptimizeDAE: time 3.932e-05/0.7061, allocations: 10.12 kB / 0.8196 GB, free: 7.422 MB / 0.5919 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001039/0.7071, allocations: 171.8 kB / 0.8198 GB, free: 7.344 MB / 0.5919 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.000803/0.7079, allocations: 0.554 MB / 0.8203 GB, free: 6.898 MB / 0.5919 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.581e-05/0.708, allocations: 33.94 kB / 0.8204 GB, free: 6.883 MB / 0.5919 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 6.537e-05/0.708, allocations: 40.44 kB / 0.8204 GB, free: 6.871 MB / 0.5919 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007285/0.7088, allocations: 467.1 kB / 0.8208 GB, free: 6.602 MB / 0.5919 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.517e-05/0.7088, allocations: 3.938 kB / 0.8208 GB, free: 6.598 MB / 0.5919 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.471e-05/0.7088, allocations: 16.75 kB / 0.8209 GB, free: 6.586 MB / 0.5919 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.64e-05/0.7089, allocations: 17.69 kB / 0.8209 GB, free: 6.578 MB / 0.5919 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006831/0.7096, allocations: 420.8 kB / 0.8213 GB, free: 6.383 MB / 0.5919 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 0.002429/0.712, allocations: 2.035 MB / 0.8233 GB, free: 4.656 MB / 0.5919 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004572/0.7125, allocations: 292 kB / 0.8235 GB, free: 4.5 MB / 0.5919 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002912/0.7128, allocations: 190.4 kB / 0.8237 GB, free: 4.406 MB / 0.5919 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002908/0.7131, allocations: 194.2 kB / 0.8239 GB, free: 4.207 MB / 0.5919 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.713e-05/0.7131, allocations: 33.09 kB / 0.8239 GB, free: 4.168 MB / 0.5919 GB
Notification: Performance of pre-optimization done (n=30): time 2.004e-06/0.7131, allocations: 3.938 kB / 0.8239 GB, free: 4.164 MB / 0.5919 GB
Notification: Performance of matching and sorting (n=30): time 0.00148/0.7146, allocations: 0.6417 MB / 0.8246 GB, free: 3.777 MB / 0.5919 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.909e-05/0.7147, allocations: 64.31 kB / 0.8246 GB, free: 3.707 MB / 0.5919 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000446/0.7151, allocations: 444.5 kB / 0.8251 GB, free: 3.434 MB / 0.5919 GB
Notification: Performance of collectPreVariables (initialization): time 3.508e-05/0.7152, allocations: 32.58 kB / 0.8251 GB, free: 3.398 MB / 0.5919 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000187/0.7153, allocations: 281.9 kB / 0.8254 GB, free: 3.148 MB / 0.5919 GB
Notification: Performance of collectInitialBindings (initialization): time 8.752e-05/0.7154, allocations: 108 kB / 0.8255 GB, free: 3.059 MB / 0.5919 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001068/0.7156, allocations: 66.58 kB / 0.8255 GB, free: 3.012 MB / 0.5919 GB
Notification: Performance of setup shared object (initialization): time 0.0001249/0.7157, allocations: 359.6 kB / 0.8259 GB, free: 2.664 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002336/0.7159, allocations: 135.3 kB / 0.826 GB, free: 2.59 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002876/0.7162, allocations: 199.8 kB / 0.8262 GB, free: 2.453 MB / 0.5919 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0005044/0.7167, allocations: 329.7 kB / 0.8265 GB, free: 2.258 MB / 0.5919 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.887e-06/0.7167, allocations: 2.125 kB / 0.8265 GB, free: 2.258 MB / 0.5919 GB
Notification: Performance of matching and sorting (n=37) (initialization): time 0.0006545/0.7174, allocations: 405.3 kB / 0.8269 GB, free: 2.047 MB / 0.5919 GB
Notification: Performance of prepare postOptimizeDAE: time 1.695e-05/0.7174, allocations: 9.219 kB / 0.8269 GB, free: 2.043 MB / 0.5919 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.304e-06/0.7174, allocations: 2.719 kB / 0.8269 GB, free: 2.043 MB / 0.5919 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.498e-05/0.7175, allocations: 2.094 kB / 0.8269 GB, free: 2.043 MB / 0.5919 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003253/0.7178, allocations: 72.61 kB / 0.827 GB, free: 2.023 MB / 0.5919 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.228e-05/0.7178, allocations: 8.297 kB / 0.827 GB, free: 2.02 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004173/0.7182, allocations: 36.58 kB / 0.827 GB, free: 1.996 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.161e-05/0.7183, allocations: 17.59 kB / 0.827 GB, free: 1.988 MB / 0.5919 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003767/0.7187, allocations: 288.9 kB / 0.8273 GB, free: 1.801 MB / 0.5919 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002832/0.719, allocations: 206 kB / 0.8275 GB, free: 1.656 MB / 0.5919 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004654/0.7194, allocations: 326.6 kB / 0.8278 GB, free: 1.461 MB / 0.5919 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.202e-06/0.7194, allocations: 0 / 0.8278 GB, free: 1.461 MB / 0.5919 GB
Notification: Performance of matching and sorting (n=37) (initialization_lambda0): time 0.0006024/0.72, allocations: 400.9 kB / 0.8282 GB, free: 1.254 MB / 0.5919 GB
Notification: Performance of prepare postOptimizeDAE: time 8.766e-06/0.7201, allocations: 9.031 kB / 0.8282 GB, free: 1.25 MB / 0.5919 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.037e-06/0.7201, allocations: 6.75 kB / 0.8282 GB, free: 1.246 MB / 0.5919 GB
Notification: Performance of postOpt tearingSystem (initialization): time 5.661e-06/0.7201, allocations: 6.359 kB / 0.8282 GB, free: 1.242 MB / 0.5919 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000279/0.7204, allocations: 68.84 kB / 0.8283 GB, free: 1.227 MB / 0.5919 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.3e-06/0.7204, allocations: 6.688 kB / 0.8283 GB, free: 1.223 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003763/0.7208, allocations: 28.3 kB / 0.8283 GB, free: 1.207 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.294e-05/0.7208, allocations: 14.25 kB / 0.8283 GB, free: 1.203 MB / 0.5919 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 0.0001414/0.7209, allocations: 201.2 kB / 0.8285 GB, free: 1.004 MB / 0.5919 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 8.197e-05/0.721, allocations: 51.91 kB / 0.8286 GB, free: 0.9766 MB / 0.5919 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007663/0.7218, allocations: 410.8 kB / 0.829 GB, free: 0.7383 MB / 0.5919 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.843e-06/0.7218, allocations: 8.75 kB / 0.829 GB, free: 0.7344 MB / 0.5919 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.242e-06/0.7218, allocations: 0 / 0.829 GB, free: 0.7344 MB / 0.5919 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.000629/0.7225, allocations: 444.9 kB / 0.8294 GB, free: 432 kB / 0.5919 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0016/0.7241, allocations: 1.143 MB / 0.8305 GB, free: 15.57 MB / 0.6075 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.868e-06/0.7241, allocations: 2.562 kB / 0.8305 GB, free: 15.57 MB / 0.6075 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002618/0.7244, allocations: 58.83 kB / 0.8306 GB, free: 15.55 MB / 0.6075 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0002125/0.7246, allocations: 55.19 kB / 0.8306 GB, free: 15.52 MB / 0.6075 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.453e-05/0.7246, allocations: 8.406 kB / 0.8306 GB, free: 15.51 MB / 0.6075 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00116/0.7258, allocations: 1.542 MB / 0.8321 GB, free: 13.97 MB / 0.6075 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.494e-06/0.7258, allocations: 2.812 kB / 0.8321 GB, free: 13.97 MB / 0.6075 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009587/0.7268, allocations: 0.6901 MB / 0.8328 GB, free: 13.5 MB / 0.6075 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001834/0.727, allocations: 170.2 kB / 0.833 GB, free: 13.35 MB / 0.6075 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.024e-05/0.727, allocations: 14.77 kB / 0.833 GB, free: 13.34 MB / 0.6075 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003485/0.7274, allocations: 15.77 kB / 0.833 GB, free: 13.33 MB / 0.6075 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 6.628e-05/0.7275, allocations: 28.34 kB / 0.833 GB, free: 13.31 MB / 0.6075 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.338e-05/0.7275, allocations: 13.88 kB / 0.833 GB, free: 13.31 MB / 0.6075 GB
Notification: Performance of sorting global known variables: time 0.0003866/0.7279, allocations: 320.8 kB / 0.8334 GB, free: 13.11 MB / 0.6075 GB
Notification: Performance of sort global known variables: time 2.21e-07/0.7279, allocations: 0 / 0.8334 GB, free: 13.11 MB / 0.6075 GB
Notification: Performance of remove unused functions: time 0.0007789/0.7287, allocations: 295.6 kB / 0.8336 GB, free: 13.06 MB / 0.6075 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 0.0004412/0.7291, allocations: 196.7 kB / 0.8338 GB, free: 12.92 MB / 0.6075 GB
Notification: Performance of simCode: created initialization part: time 0.0008373/0.73, allocations: 0.4925 MB / 0.8343 GB, free: 12.7 MB / 0.6075 GB
Notification: Performance of simCode: created event and clocks part: time 3.136e-06/0.73, allocations: 0 / 0.8343 GB, free: 12.7 MB / 0.6075 GB
Notification: Performance of simCode: created simulation system equations: time 0.0004455/0.7304, allocations: 289.6 kB / 0.8346 GB, free: 12.5 MB / 0.6075 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001228/0.7317, allocations: 302.4 kB / 0.8349 GB, free: 12.34 MB / 0.6075 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001531/0.7332, allocations: 1.122 MB / 0.836 GB, free: 11.57 MB / 0.6075 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003993/0.7336, allocations: 0.9031 MB / 0.8368 GB, free: 10.77 MB / 0.6075 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001073/0.7337, allocations: 39.91 kB / 0.8369 GB, free: 10.76 MB / 0.6075 GB
Notification: Performance of SimCode: time 4.1e-07/0.7337, allocations: 0 / 0.8369 GB, free: 10.76 MB / 0.6075 GB
Notification: Performance of Templates: time 0.01241/0.7462, allocations: 9.752 MB / 0.8464 GB, free: 3.16 MB / 0.6075 GB
make -j1 -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.makefile
(rm -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.sim & ./IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeSteadyStateMass.pipe 2>&1)