Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.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/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.Fluid.Storage.Examples.Stratified,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified") translateModel(Buildings.Fluid.Storage.Examples.Stratified,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001634/0.001635, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001788/0.001788, allocations: 193.4 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.473/1.473, allocations: 222.9 MB / 240.2 MB, free: 4.395 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.885/2.885, allocations: 472.6 MB / 0.7451 GB, free: 4.656 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001336/0.001336, allocations: 62.91 kB / 0.912 GB, free: 33.47 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.35/0.3514, allocations: 159.9 MB / 1.068 GB, free: 10.46 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Storage.Examples.Stratified): time 0.0541/0.4055, allocations: 56.22 MB / 1.123 GB, free: 2.035 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.02747/0.433, allocations: 17.48 MB / 1.14 GB, free: 0.5117 MB / 0.8887 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003082/0.4361, allocations: 79.56 kB / 1.14 GB, free: 444 kB / 0.8887 GB Notification: Performance of NFTyping.typeComponents: time 0.003726/0.4399, allocations: 0.9587 MB / 1.141 GB, free: 15.47 MB / 0.9044 GB Notification: Performance of NFTyping.typeBindings: time 0.008798/0.4488, allocations: 2.444 MB / 1.144 GB, free: 13.01 MB / 0.9044 GB Notification: Performance of NFTyping.typeClassSections: time 0.005414/0.4542, allocations: 1.789 MB / 1.145 GB, free: 11.23 MB / 0.9044 GB Notification: Performance of NFFlatten.flatten: time 0.02861/0.4828, allocations: 29.34 MB / 1.174 GB, free: 13.81 MB / 0.9356 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02113/0.504, allocations: 14.6 MB / 1.188 GB, free: 15.09 MB / 0.9512 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02096/0.525, allocations: 9.787 MB / 1.198 GB, free: 5.332 MB / 0.9512 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01454/0.5396, allocations: 8.802 MB / 1.206 GB, free: 12.5 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 0.004109/0.5437, allocations: 1.301 MB / 1.208 GB, free: 11.2 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009004/0.5528, allocations: 2.486 MB / 1.21 GB, free: 8.707 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 0.006429/0.5592, allocations: 3.237 MB / 1.213 GB, free: 5.461 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.0165/0.5758, allocations: 6.52 MB / 1.22 GB, free: 14.91 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.03325/0.609, allocations: 18.16 MB / 1.237 GB, free: 12.71 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 1.134e-05/0.6091, allocations: 0 / 1.237 GB, free: 12.71 MB / 0.9981 GB Notification: Performance of FrontEnd: time 2.134e-06/0.6091, allocations: 0 / 1.237 GB, free: 12.71 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.00115/0.6103, allocations: 0 / 1.237 GB, free: 12.71 MB / 0.9981 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 0.03695/0.6473, allocations: 11.71 MB / 1.249 GB, free: 0.8828 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 5.128e-05/0.6474, allocations: 8.031 kB / 1.249 GB, free: 0.875 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 1.199/1.847, allocations: 1.178 MB / 1.25 GB, free: 164.7 MB / 0.9982 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02262/1.869, allocations: 8.929 MB / 1.259 GB, free: 163.3 MB / 0.9982 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000528/1.87, allocations: 0.6098 MB / 1.259 GB, free: 163 MB / 0.9982 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003191/1.873, allocations: 0.8189 MB / 1.26 GB, free: 162.8 MB / 0.9982 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03454/1.908, allocations: 12.52 MB / 1.272 GB, free: 157.7 MB / 0.9982 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003965/1.908, allocations: 27 kB / 1.272 GB, free: 157.7 MB / 0.9982 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002782/1.911, allocations: 361.9 kB / 1.273 GB, free: 157.4 MB / 0.9982 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003691/1.911, allocations: 251.3 kB / 1.273 GB, free: 157.4 MB / 0.9982 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02774/1.939, allocations: 10.42 MB / 1.283 GB, free: 153.9 MB / 0.9982 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 0.06867/2.008, allocations: 49.29 MB / 1.331 GB, free: 112.2 MB / 0.9982 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00787/2.016, allocations: 6.264 MB / 1.337 GB, free: 106 MB / 0.9982 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005785/2.021, allocations: 4.933 MB / 1.342 GB, free: 101 MB / 0.9982 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001092/2.022, allocations: 0.8203 MB / 1.343 GB, free: 100.1 MB / 0.9982 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004485/2.027, allocations: 3.424 MB / 1.346 GB, free: 96.6 MB / 0.9982 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003267/2.03, allocations: 470.3 kB / 1.347 GB, free: 96.13 MB / 0.9982 GB Notification: Performance of pre-optimization done (n=449): time 8.056e-06/2.03, allocations: 4 kB / 1.347 GB, free: 96.13 MB / 0.9982 GB Notification: Performance of matching and sorting (n=449): time 0.01239/2.043, allocations: 8.912 MB / 1.355 GB, free: 87.18 MB / 0.9982 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001296/2.043, allocations: 158.2 kB / 1.356 GB, free: 87 MB / 0.9982 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01205/2.055, allocations: 7.721 MB / 1.363 GB, free: 79.31 MB / 0.9982 GB Notification: Performance of collectPreVariables (initialization): time 0.001207/2.056, allocations: 109.7 kB / 1.363 GB, free: 79.2 MB / 0.9982 GB Notification: Performance of collectInitialEqns (initialization): time 0.003354/2.06, allocations: 4.322 MB / 1.367 GB, free: 74.83 MB / 0.9982 GB Notification: Performance of collectInitialBindings (initialization): time 0.002113/2.062, allocations: 1.56 MB / 1.369 GB, free: 73.25 MB / 0.9982 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00158/2.063, allocations: 1.128 MB / 1.37 GB, free: 72.11 MB / 0.9982 GB Notification: Performance of setup shared object (initialization): time 4.68e-05/2.063, allocations: 305.1 kB / 1.37 GB, free: 71.81 MB / 0.9982 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003801/2.067, allocations: 3.042 MB / 1.373 GB, free: 68.75 MB / 0.9982 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004311/2.071, allocations: 4.909 MB / 1.378 GB, free: 63 MB / 0.9982 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008798/2.08, allocations: 8.608 MB / 1.386 GB, free: 53.55 MB / 0.9982 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.398e-05/2.08, allocations: 16 kB / 1.387 GB, free: 53.54 MB / 0.9982 GB Notification: Performance of matching and sorting (n=754) (initialization): time 0.01308/2.093, allocations: 8.904 MB / 1.395 GB, free: 44.6 MB / 0.9982 GB Notification: Performance of prepare postOptimizeDAE: time 8.861e-05/2.094, allocations: 92.33 kB / 1.395 GB, free: 44.5 MB / 0.9982 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.292e-05/2.094, allocations: 60 kB / 1.395 GB, free: 44.44 MB / 0.9982 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.833e-05/2.094, allocations: 91.75 kB / 1.395 GB, free: 44.36 MB / 0.9982 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004889/2.099, allocations: 1.369 MB / 1.397 GB, free: 42.98 MB / 0.9982 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0001007/2.099, allocations: 127.5 kB / 1.397 GB, free: 42.86 MB / 0.9982 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006397/2.105, allocations: 371.2 kB / 1.397 GB, free: 42.5 MB / 0.9982 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008636/2.106, allocations: 280 kB / 1.398 GB, free: 42.22 MB / 0.9982 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009346/2.115, allocations: 6.159 MB / 1.404 GB, free: 36.05 MB / 0.9982 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00551/2.121, allocations: 4.905 MB / 1.408 GB, free: 30.31 MB / 0.9982 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01056/2.131, allocations: 8.612 MB / 1.417 GB, free: 20.85 MB / 0.9982 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.408e-05/2.132, allocations: 16 kB / 1.417 GB, free: 20.84 MB / 0.9982 GB Notification: Performance of matching and sorting (n=754) (initialization_lambda0): time 0.01649/2.148, allocations: 8.889 MB / 1.425 GB, free: 11.92 MB / 0.9982 GB Notification: Performance of prepare postOptimizeDAE: time 0.000104/2.148, allocations: 105 kB / 1.426 GB, free: 11.8 MB / 0.9982 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.287e-05/2.148, allocations: 56 kB / 1.426 GB, free: 11.75 MB / 0.9982 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.876e-05/2.148, allocations: 92 kB / 1.426 GB, free: 11.66 MB / 0.9982 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005324/2.154, allocations: 1.361 MB / 1.427 GB, free: 10.3 MB / 0.9982 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000144/2.154, allocations: 127.6 kB / 1.427 GB, free: 10.17 MB / 0.9982 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007053/2.161, allocations: 371.2 kB / 1.427 GB, free: 9.809 MB / 0.9982 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001109/2.162, allocations: 280 kB / 1.428 GB, free: 9.535 MB / 0.9982 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 0.002267/2.164, allocations: 0.6239 MB / 1.428 GB, free: 8.891 MB / 0.9982 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003253/2.168, allocations: 0.7218 MB / 1.429 GB, free: 8.16 MB / 0.9982 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01649/2.184, allocations: 7.149 MB / 1.436 GB, free: 0.9766 MB / 0.9982 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.844e-05/2.184, allocations: 43.98 kB / 1.436 GB, free: 0.9336 MB / 0.9982 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.923e-05/2.184, allocations: 8 kB / 1.436 GB, free: 0.9258 MB / 0.9982 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01064/2.195, allocations: 5.846 MB / 1.442 GB, free: 11.04 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04189/2.237, allocations: 16.68 MB / 1.458 GB, free: 10.19 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.591e-05/2.237, allocations: 4 kB / 1.458 GB, free: 10.19 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004962/2.242, allocations: 0.9402 MB / 1.459 GB, free: 9.246 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.68e-05/2.242, allocations: 16 kB / 1.459 GB, free: 9.23 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009866/2.243, allocations: 119.9 kB / 1.459 GB, free: 9.113 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.909e-05/2.243, allocations: 19.94 kB / 1.459 GB, free: 9.094 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.316e-06/2.243, allocations: 0 / 1.459 GB, free: 9.094 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01934/2.262, allocations: 10.72 MB / 1.47 GB, free: 14.31 MB / 1.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.007563/2.27, allocations: 1.586 MB / 1.471 GB, free: 12.7 MB / 1.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.004686/2.275, allocations: 95.98 kB / 1.471 GB, free: 12.6 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006933/2.282, allocations: 291.5 kB / 1.472 GB, free: 12.32 MB / 1.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001093/2.283, allocations: 255.2 kB / 1.472 GB, free: 12.07 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001048/2.284, allocations: 199.8 kB / 1.472 GB, free: 11.88 MB / 1.045 GB Notification: Performance of sorting global known variables: time 0.01282/2.297, allocations: 5.425 MB / 1.477 GB, free: 6.48 MB / 1.045 GB Notification: Performance of sort global known variables: time 5.81e-07/2.297, allocations: 0 / 1.477 GB, free: 6.48 MB / 1.045 GB Notification: Performance of remove unused functions: time 0.02078/2.318, allocations: 4.852 MB / 1.482 GB, free: 1.641 MB / 1.045 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 0.002691/2.32, allocations: 0.5883 MB / 1.483 GB, free: 1.086 MB / 1.045 GB Notification: Performance of simCode: created initialization part: time 0.0513/2.372, allocations: 24.95 MB / 1.507 GB, free: 8.168 MB / 1.076 GB Notification: Performance of simCode: created event and clocks part: time 1.846e-05/2.372, allocations: 4.562 kB / 1.507 GB, free: 8.164 MB / 1.076 GB Notification: Performance of simCode: created simulation system equations: time 0.006/2.378, allocations: 3.231 MB / 1.51 GB, free: 4.91 MB / 1.076 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0287/2.406, allocations: 4.653 MB / 1.515 GB, free: 444 kB / 1.076 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05135/2.458, allocations: 19.73 MB / 1.534 GB, free: 12.66 MB / 1.108 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01437/2.472, allocations: 6.142 MB / 1.54 GB, free: 6.484 MB / 1.108 GB Notification: Performance of simCode: alias equations: time 0.01927/2.492, allocations: 4.294 MB / 1.544 GB, free: 2.172 MB / 1.108 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004337/2.496, allocations: 0.6241 MB / 1.545 GB, free: 1.547 MB / 1.108 GB Notification: Performance of SimCode: time 1.413e-06/2.496, allocations: 0 / 1.545 GB, free: 1.547 MB / 1.108 GB Notification: Performance of Templates: time 0.2854/2.781, allocations: 167 MB / 1.708 GB, free: 11.75 MB / 1.279 GB make -j1 -f Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified.makefile (rm -f Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified.pipe ; mkfifo Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified.pipe ; head -c 1048576 < Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified.pipe >> ../files/Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified.sim & ./Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.Fluid.Storage.Examples.Stratified.pipe 2>&1)