Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Storage.Examples.Stratified.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.Storage.Examples.Stratified,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Storage.Examples.Stratified") translateModel(IDEAS.Fluid.Storage.Examples.Stratified,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Storage.Examples.Stratified") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001581/0.001581, allocations: 106.6 kB / 16.41 MB, free: 6.477 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00168/0.00168, allocations: 193.6 kB / 17.34 MB, free: 5.754 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.379/1.379, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7994/0.7994, allocations: 132.2 MB / 423.4 MB, free: 6.594 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001226/0.001226, allocations: 65.59 kB / 0.582 GB, free: 23.78 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1635/0.1648, allocations: 80.21 MB / 0.6603 GB, free: 10.26 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Storage.Examples.Stratified): time 0.05679/0.2216, allocations: 56.19 MB / 0.7152 GB, free: 1.867 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.02612/0.2478, allocations: 17.45 MB / 0.7322 GB, free: 372 kB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003168/0.251, allocations: 79.56 kB / 0.7323 GB, free: 292 kB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003177/0.2542, allocations: 0.9587 MB / 0.7333 GB, free: 15.32 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.007774/0.262, allocations: 2.452 MB / 0.7356 GB, free: 12.86 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.005121/0.2672, allocations: 1.801 MB / 0.7374 GB, free: 11.07 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.4094/0.6766, allocations: 29.3 MB / 0.766 GB, free: 6.516 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02132/0.698, allocations: 14.63 MB / 0.7803 GB, free: 20.34 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.021/0.7191, allocations: 9.937 MB / 0.79 GB, free: 19.32 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01614/0.7352, allocations: 8.819 MB / 0.7986 GB, free: 17.18 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.004567/0.7398, allocations: 1.302 MB / 0.7999 GB, free: 17.18 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01055/0.7504, allocations: 2.484 MB / 0.8023 GB, free: 16.89 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.005941/0.7564, allocations: 3.246 MB / 0.8055 GB, free: 15.05 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.01622/0.7726, allocations: 6.526 MB / 0.8119 GB, free: 9.223 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.02889/0.8016, allocations: 18.38 MB / 0.8298 GB, free: 7.887 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 6.773e-06/0.8016, allocations: 0 / 0.8298 GB, free: 7.887 MB / 0.6075 GB Notification: Performance of FrontEnd: time 2.013e-06/0.8016, allocations: 0 / 0.8298 GB, free: 7.887 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 0.0007642/0.8024, allocations: 0 / 0.8298 GB, free: 7.887 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2145 * Number of variables: 2145 Notification: Performance of Generate backend data structure: time 0.03485/0.8373, allocations: 11.7 MB / 0.8412 GB, free: 12.22 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 4.792e-05/0.8373, allocations: 15.88 kB / 0.8413 GB, free: 12.21 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006851/0.8442, allocations: 1.187 MB / 0.8424 GB, free: 11.01 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02303/0.8672, allocations: 9.315 MB / 0.8515 GB, free: 2.055 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007753/0.8681, allocations: 0.6109 MB / 0.8521 GB, free: 1.445 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003562/0.8717, allocations: 0.8123 MB / 0.8529 GB, free: 0.6367 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03538/0.9071, allocations: 12.52 MB / 0.8651 GB, free: 3.773 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004347/0.9075, allocations: 23.97 kB / 0.8652 GB, free: 3.758 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00306/0.9106, allocations: 359.8 kB / 0.8655 GB, free: 3.41 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002967/0.9109, allocations: 249.2 kB / 0.8657 GB, free: 3.172 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02472/0.9357, allocations: 10.41 MB / 0.8759 GB, free: 8.844 MB / 0.6544 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 0.08692/1.023, allocations: 48.91 MB / 0.9237 GB, free: 5.883 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01123/1.034, allocations: 6.257 MB / 0.9298 GB, free: 15.64 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00897/1.043, allocations: 4.925 MB / 0.9346 GB, free: 10.72 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001774/1.045, allocations: 0.8229 MB / 0.9354 GB, free: 9.766 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.007435/1.052, allocations: 3.424 MB / 0.9387 GB, free: 6.309 MB / 0.7169 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.00468/1.057, allocations: 473 kB / 0.9392 GB, free: 5.844 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=449): time 2.249e-05/1.057, allocations: 0 / 0.9392 GB, free: 5.844 MB / 0.7169 GB Notification: Performance of matching and sorting (n=449): time 0.01889/1.076, allocations: 8.912 MB / 0.9479 GB, free: 12.9 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001199/1.076, allocations: 150.3 kB / 0.948 GB, free: 12.73 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01658/1.093, allocations: 7.717 MB / 0.9556 GB, free: 5.039 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.001275/1.094, allocations: 117.7 kB / 0.9557 GB, free: 4.918 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.005917/1.1, allocations: 4.323 MB / 0.9599 GB, free: 0.5781 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.002869/1.103, allocations: 1.56 MB / 0.9614 GB, free: 15.03 MB / 0.7481 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.004086/1.107, allocations: 1.134 MB / 0.9625 GB, free: 13.88 MB / 0.7481 GB Notification: Performance of setup shared object (initialization): time 0.0001172/1.107, allocations: 305.1 kB / 0.9628 GB, free: 13.58 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00571/1.113, allocations: 3.046 MB / 0.9658 GB, free: 10.52 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007228/1.12, allocations: 4.906 MB / 0.9706 GB, free: 4.781 MB / 0.7481 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01343/1.134, allocations: 8.608 MB / 0.979 GB, free: 11.35 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.055e-05/1.134, allocations: 16 kB / 0.979 GB, free: 11.33 MB / 0.7637 GB Notification: Performance of matching and sorting (n=754) (initialization): time 0.02017/1.154, allocations: 8.909 MB / 0.9877 GB, free: 2.395 MB / 0.7637 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001696/1.154, allocations: 97.27 kB / 0.9878 GB, free: 2.289 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000126/1.154, allocations: 56 kB / 0.9879 GB, free: 2.234 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001247/1.154, allocations: 92 kB / 0.988 GB, free: 2.145 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005858/1.16, allocations: 1.361 MB / 0.9893 GB, free: 0.7812 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0001868/1.16, allocations: 131.6 kB / 0.9894 GB, free: 0.6523 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006785/1.167, allocations: 375.2 kB / 0.9898 GB, free: 292 kB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001231/1.168, allocations: 279.9 kB / 0.99 GB, free: 12 kB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01187/1.18, allocations: 6.163 MB / 0.9961 GB, free: 9.836 MB / 0.7794 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007468/1.188, allocations: 4.905 MB / 1.001 GB, free: 4.098 MB / 0.7794 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01361/1.201, allocations: 8.596 MB / 1.009 GB, free: 10.68 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.947e-05/1.202, allocations: 16 kB / 1.009 GB, free: 10.66 MB / 0.795 GB Notification: Performance of matching and sorting (n=754) (initialization_lambda0): time 0.02018/1.222, allocations: 8.904 MB / 1.018 GB, free: 1.73 MB / 0.795 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001329/1.222, allocations: 91.39 kB / 1.018 GB, free: 1.629 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001022/1.222, allocations: 60.88 kB / 1.018 GB, free: 1.57 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001099/1.222, allocations: 91.98 kB / 1.018 GB, free: 1.48 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005908/1.228, allocations: 1.361 MB / 1.02 GB, free: 120 kB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00021/1.228, allocations: 127.6 kB / 1.02 GB, free: 15.99 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006675/1.235, allocations: 371.3 kB / 1.02 GB, free: 15.63 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001223/1.236, allocations: 272 kB / 1.02 GB, free: 15.36 MB / 0.8106 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 264 * Number of states: 0 () * Number of discrete variables: 15 (P.nextEventScaled,P.nextEvent,$PRE.P.nextEvent,P.last,P.b,P.a,TWat.nextEventScaled,TWat.nextEvent,$PRE.TWat.nextEvent,TWat.last,TWat.b,TWat.a,$whenCondition2,$whenCondition1,dH.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (744): * Single equations (assignments): 742 * Array equations: 0 * Algorithm blocks: 2 * 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 0.002694/1.239, allocations: 0.642 MB / 1.021 GB, free: 14.7 MB / 0.8106 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003306/1.242, allocations: 0.718 MB / 1.022 GB, free: 13.97 MB / 0.8106 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0165/1.259, allocations: 7.145 MB / 1.029 GB, free: 6.797 MB / 0.8106 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.245e-05/1.259, allocations: 40 kB / 1.029 GB, free: 6.758 MB / 0.8106 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.048e-05/1.259, allocations: 0 / 1.029 GB, free: 6.758 MB / 0.8106 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01102/1.27, allocations: 5.852 MB / 1.034 GB, free: 0.8789 MB / 0.8106 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04085/1.311, allocations: 16.54 MB / 1.05 GB, free: 316 kB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.734e-05/1.311, allocations: 4.094 kB / 1.05 GB, free: 312 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.6861/1.997, allocations: 0.934 MB / 1.051 GB, free: 300.1 MB / 0.8263 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.865e-05/1.997, allocations: 16.94 kB / 1.051 GB, free: 300.1 MB / 0.8263 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007087/1.998, allocations: 119.6 kB / 1.052 GB, free: 300.1 MB / 0.8263 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.881e-05/1.998, allocations: 19.41 kB / 1.052 GB, free: 300.1 MB / 0.8263 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.938e-06/1.998, allocations: 3.766 kB / 1.052 GB, free: 300.1 MB / 0.8263 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01949/2.017, allocations: 10.72 MB / 1.062 GB, free: 298 MB / 0.8263 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005593/2.023, allocations: 1.59 MB / 1.064 GB, free: 297.5 MB / 0.8263 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003091/2.026, allocations: 94.08 kB / 1.064 GB, free: 297.5 MB / 0.8263 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006078/2.032, allocations: 283.4 kB / 1.064 GB, free: 297.4 MB / 0.8263 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001175/2.034, allocations: 251.5 kB / 1.064 GB, free: 297.4 MB / 0.8263 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0008021/2.034, allocations: 201.1 kB / 1.064 GB, free: 297.4 MB / 0.8263 GB Notification: Performance of sorting global known variables: time 0.01236/2.047, allocations: 5.422 MB / 1.07 GB, free: 295.6 MB / 0.8263 GB Notification: Performance of sort global known variables: time 6.81e-07/2.047, allocations: 1.594 kB / 1.07 GB, free: 295.6 MB / 0.8263 GB Notification: Performance of remove unused functions: time 0.01882/2.066, allocations: 4.854 MB / 1.074 GB, free: 295 MB / 0.8263 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 21 (tanSim.vol[1].dynBal.U,tanSim.vol[2].dynBal.U,tanSim.vol[3].dynBal.U,tanSim.vol[4].dynBal.U,tanSim.vol[5].dynBal.U,tanSim.vol[6].dynBal.U,tanSim.vol[7].dynBal.U,tanSim.vol[8].dynBal.U,tanSim.vol[9].dynBal.U,tanSim.vol[10].dynBal.U,tanEnh.vol[1].dynBal.U,tanEnh.vol[2].dynBal.U,tanEnh.vol[3].dynBal.U,tanEnh.vol[4].dynBal.U,tanEnh.vol[5].dynBal.U,tanEnh.vol[6].dynBal.U,tanEnh.vol[7].dynBal.U,tanEnh.vol[8].dynBal.U,tanEnh.vol[9].dynBal.U,tanEnh.vol[10].dynBal.U,dH.y) * Number of discrete variables: 12 ($whenCondition1,$whenCondition2,TWat.a,TWat.b,TWat.last,TWat.nextEvent,TWat.nextEventScaled,P.a,P.b,P.last,P.nextEvent,P.nextEventScaled) * Number of discrete states: 12 (P.nextEvent,P.last,P.nextEventScaled,P.b,P.a,$whenCondition2,TWat.nextEvent,TWat.last,TWat.nextEventScaled,TWat.b,TWat.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (445): * Single equations (assignments): 441 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002227/2.068, allocations: 0.5954 MB / 1.075 GB, free: 294.8 MB / 0.8263 GB Notification: Performance of simCode: created initialization part: time 0.01534/2.083, allocations: 11.57 MB / 1.086 GB, free: 290.8 MB / 0.8263 GB Notification: Performance of simCode: created event and clocks part: time 1.111e-05/2.083, allocations: 4.375 kB / 1.086 GB, free: 290.8 MB / 0.8263 GB Notification: Performance of simCode: created simulation system equations: time 0.004206/2.087, allocations: 3.235 MB / 1.089 GB, free: 289.6 MB / 0.8263 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02145/2.109, allocations: 4.643 MB / 1.094 GB, free: 288.5 MB / 0.8263 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03481/2.144, allocations: 19.62 MB / 1.113 GB, free: 273.2 MB / 0.8263 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005639/2.149, allocations: 6.098 MB / 1.119 GB, free: 267 MB / 0.8263 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002801/2.152, allocations: 0.6632 MB / 1.12 GB, free: 266.4 MB / 0.8263 GB Notification: Performance of SimCode: time 1.523e-06/2.152, allocations: 0 / 1.12 GB, free: 266.4 MB / 0.8263 GB Notification: Performance of Templates: time 0.1784/2.331, allocations: 157.4 MB / 1.273 GB, free: 109.3 MB / 0.8263 GB make -j1 -f IDEAS_IDEAS.Fluid.Storage.Examples.Stratified.makefile (rm -f IDEAS_IDEAS.Fluid.Storage.Examples.Stratified.pipe ; mkfifo IDEAS_IDEAS.Fluid.Storage.Examples.Stratified.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Storage.Examples.Stratified.pipe >> ../files/IDEAS_IDEAS.Fluid.Storage.Examples.Stratified.sim & ./IDEAS_IDEAS.Fluid.Storage.Examples.Stratified -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.Storage.Examples.Stratified.pipe 2>&1)