Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_Sources_Examples_TraceSubstancesFlowSource",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_Sources_Examples_TraceSubstancesFlowSource",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.347/1.347, allocations: 251.5 MB / 266.7 MB, free: 11.05 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0008623/0.0008623, allocations: 178.2 kB / 325.8 MB, free: 2.703 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.284/1.284, allocations: 205 MB / 0.576 GB, free: 21.04 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0006522/0.0006524, allocations: 93.88 kB / 0.6797 GB, free: 14.72 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0002638/0.0002639, allocations: 12.08 kB / 0.7932 GB, free: 136.5 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1314/0.1317, allocations: 105.4 MB / 0.8962 GB, free: 68.1 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource): time 0.5106/0.6423, allocations: 303.2 MB / 1.192 GB, free: 3.555 MB / 0.7136 GB Notification: Performance of NFInst.instExpressions: time 0.02732/0.6696, allocations: 26.07 MB / 1.218 GB, free: 14.57 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002914/0.6726, allocations: 95.38 kB / 1.218 GB, free: 14.48 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.003406/0.676, allocations: 1.543 MB / 1.219 GB, free: 12.93 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.01181/0.6878, allocations: 5.65 MB / 1.225 GB, free: 7.262 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.005862/0.6937, allocations: 2.47 MB / 1.227 GB, free: 4.809 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.01131/0.705, allocations: 12.7 MB / 1.24 GB, free: 8.09 MB / 0.7605 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003124/0.7082, allocations: 2.996 MB / 1.243 GB, free: 5.004 MB / 0.7605 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005486/0.7137, allocations: 3.49 MB / 1.246 GB, free: 1.5 MB / 0.7605 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004606/0.7183, allocations: 2.997 MB / 1.249 GB, free: 14.5 MB / 0.7761 GB Notification: Performance of NFPackage.collectConstants: time 0.0003852/0.7187, allocations: 156 kB / 1.249 GB, free: 14.35 MB / 0.7761 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007826/0.7265, allocations: 5.287 MB / 1.254 GB, free: 9.051 MB / 0.7761 GB Notification: Performance of NFScalarize.scalarize: time 0.001268/0.7278, allocations: 1.464 MB / 1.256 GB, free: 7.582 MB / 0.7761 GB Notification: Performance of NFVerifyModel.verify: time 0.001868/0.7297, allocations: 1.893 MB / 1.258 GB, free: 5.68 MB / 0.7761 GB Notification: Performance of NFConvertDAE.convert: time 0.007726/0.7374, allocations: 6.88 MB / 1.264 GB, free: 14.78 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 5.521e-06/0.7374, allocations: 0 / 1.264 GB, free: 14.78 MB / 0.7917 GB Notification: Performance of FrontEnd: time 2.294e-06/0.7375, allocations: 0 / 1.264 GB, free: 14.78 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 0.000118/0.7376, allocations: 4 kB / 1.264 GB, free: 14.78 MB / 0.7917 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 703 * Number of variables: 703 Notification: Performance of Generate backend data structure: time 0.00516/0.7427, allocations: 3.448 MB / 1.268 GB, free: 11.26 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 3.507e-05/0.7428, allocations: 12.03 kB / 1.268 GB, free: 11.25 MB / 0.7917 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004258/0.7432, allocations: 395.9 kB / 1.268 GB, free: 10.86 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005317/0.7486, allocations: 0.94 MB / 1.269 GB, free: 9.91 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003435/0.752, allocations: 2.455 MB / 1.271 GB, free: 7.379 MB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001892/0.7522, allocations: 285.5 kB / 1.272 GB, free: 7.082 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003112/0.7525, allocations: 295.8 kB / 1.272 GB, free: 6.793 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004307/0.7568, allocations: 3.415 MB / 1.275 GB, free: 3.293 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.519e-05/0.7569, allocations: 0 / 1.275 GB, free: 3.293 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002093/0.7571, allocations: 120 kB / 1.275 GB, free: 3.176 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.627e-05/0.7572, allocations: 109.4 kB / 1.275 GB, free: 3.066 MB / 0.7917 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003673/0.7609, allocations: 2.832 MB / 1.278 GB, free: 228 kB / 0.7917 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 0.01123/0.7721, allocations: 13.32 MB / 1.291 GB, free: 1.719 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002131/0.7743, allocations: 1.835 MB / 1.293 GB, free: 15.88 MB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00125/0.7755, allocations: 1.114 MB / 1.294 GB, free: 14.77 MB / 0.823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003786/0.7759, allocations: 337.2 kB / 1.294 GB, free: 14.39 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.491e-05/0.7759, allocations: 60.56 kB / 1.294 GB, free: 14.32 MB / 0.823 GB Notification: Performance of pre-optimization done (n=186): time 2.675e-06/0.776, allocations: 0 / 1.294 GB, free: 14.32 MB / 0.823 GB Notification: Performance of matching and sorting (n=186): time 0.003873/0.7798, allocations: 2.75 MB / 1.297 GB, free: 11.56 MB / 0.823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.729e-05/0.7799, allocations: 73.41 kB / 1.297 GB, free: 11.48 MB / 0.823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001922/0.7818, allocations: 1.992 MB / 1.299 GB, free: 9.469 MB / 0.823 GB Notification: Performance of collectPreVariables (initialization): time 0.0001168/0.7819, allocations: 69.7 kB / 1.299 GB, free: 9.395 MB / 0.823 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007746/0.7827, allocations: 1.395 MB / 1.301 GB, free: 7.984 MB / 0.823 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004396/0.7832, allocations: 0.6507 MB / 1.301 GB, free: 7.324 MB / 0.823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001832/0.7834, allocations: 173.7 kB / 1.301 GB, free: 7.148 MB / 0.823 GB Notification: Performance of setup shared object (initialization): time 7.028e-05/0.7834, allocations: 309 kB / 1.302 GB, free: 6.844 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001078/0.7845, allocations: 0.8044 MB / 1.302 GB, free: 6.035 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001454/0.786, allocations: 1.448 MB / 1.304 GB, free: 4.316 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002596/0.7886, allocations: 2.249 MB / 1.306 GB, free: 1.898 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.603e-06/0.7886, allocations: 4 kB / 1.306 GB, free: 1.895 MB / 0.823 GB Notification: Performance of matching and sorting (n=261) (initialization): time 0.003197/0.7918, allocations: 2.494 MB / 1.309 GB, free: 15.39 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002072/0.792, allocations: 472 kB / 1.309 GB, free: 14.75 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.551e-05/0.792, allocations: 16 kB / 1.309 GB, free: 14.74 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.404e-05/0.7921, allocations: 27.94 kB / 1.309 GB, free: 14.71 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002154/0.7942, allocations: 0.5617 MB / 1.31 GB, free: 14.15 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001643/0.7959, allocations: 4.157 MB / 1.314 GB, free: 9.828 MB / 0.8386 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002205/0.7981, allocations: 385.4 kB / 1.314 GB, free: 9.453 MB / 0.8386 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001237/0.7982, allocations: 91.98 kB / 1.314 GB, free: 9.363 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 5.32e-06/0.7982, allocations: 4 kB / 1.314 GB, free: 9.359 MB / 0.8386 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002822/0.8011, allocations: 2.226 MB / 1.316 GB, free: 7.133 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.287e-05/0.8011, allocations: 12 kB / 1.316 GB, free: 7.121 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.698e-05/0.8011, allocations: 27.94 kB / 1.316 GB, free: 7.094 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001452/0.8026, allocations: 479.4 kB / 1.317 GB, free: 6.625 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.444e-05/0.8026, allocations: 31.86 kB / 1.317 GB, free: 6.594 MB / 0.8386 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002021/0.8046, allocations: 371.8 kB / 1.317 GB, free: 6.234 MB / 0.8386 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001148/0.8048, allocations: 87.98 kB / 1.317 GB, free: 6.148 MB / 0.8386 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 56 * 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 (261): * Single equations (assignments): 254 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 7 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 7 systems {1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0009453/0.8057, allocations: 0.8637 MB / 1.318 GB, free: 5.273 MB / 0.8386 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003244/0.806, allocations: 272.8 kB / 1.318 GB, free: 5.004 MB / 0.8386 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003621/0.8097, allocations: 2.138 MB / 1.32 GB, free: 2.852 MB / 0.8386 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.239e-05/0.8097, allocations: 16 kB / 1.32 GB, free: 2.836 MB / 0.8386 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.147e-06/0.8097, allocations: 4 kB / 1.32 GB, free: 2.832 MB / 0.8386 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003505/0.8132, allocations: 1.894 MB / 1.322 GB, free: 0.8867 MB / 0.8386 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006303/0.8196, allocations: 5.22 MB / 1.327 GB, free: 11.57 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.242e-06/0.8196, allocations: 4 kB / 1.327 GB, free: 11.56 MB / 0.8542 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002023/0.8216, allocations: 0.5115 MB / 1.328 GB, free: 11.05 MB / 0.8542 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.839e-06/0.8216, allocations: 11.94 kB / 1.328 GB, free: 11.04 MB / 0.8542 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001017/0.8217, allocations: 55.98 kB / 1.328 GB, free: 10.98 MB / 0.8542 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001512/0.8233, allocations: 4.13 MB / 1.332 GB, free: 6.691 MB / 0.8542 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.456e-06/0.8233, allocations: 4.281 kB / 1.332 GB, free: 6.688 MB / 0.8542 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00392/0.8272, allocations: 3.4 MB / 1.335 GB, free: 3.238 MB / 0.8542 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008542/0.8281, allocations: 0.5912 MB / 1.336 GB, free: 2.625 MB / 0.8542 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000266/0.8283, allocations: 47.98 kB / 1.336 GB, free: 2.578 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001838/0.8302, allocations: 258.5 kB / 1.336 GB, free: 2.328 MB / 0.8542 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001882/0.8304, allocations: 129.7 kB / 1.336 GB, free: 2.199 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001149/0.8305, allocations: 71.95 kB / 1.336 GB, free: 2.129 MB / 0.8542 GB Notification: Performance of sorting global known variables: time 0.001438/0.8319, allocations: 1.329 MB / 1.338 GB, free: 0.7891 MB / 0.8542 GB Notification: Performance of sort global known variables: time 1.61e-07/0.832, allocations: 0 / 1.338 GB, free: 0.7891 MB / 0.8542 GB Notification: Performance of remove unused functions: time 0.002815/0.8348, allocations: 1.753 MB / 1.339 GB, free: 15.03 MB / 0.8698 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * Number of states: 20 (vol.dynBal.U,vol.dynBal.m,vol.dynBal.mXi[1],vol.dynBal.mC[1],vol1.dynBal.U,vol1.dynBal.m,vol1.dynBal.mXi[1],vol1.dynBal.mC[1],vol2.dynBal.U,vol2.dynBal.m,vol2.dynBal.mXi[1],vol2.dynBal.mC[1],vol3.dynBal.U,vol3.dynBal.m,vol3.dynBal.mXi[1],vol3.dynBal.mC[1],vol4.dynBal.U,vol4.dynBal.m,vol4.dynBal.mXi[1],vol4.dynBal.mC[1]) * 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 (186): * Single equations (assignments): 179 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 7 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 7 systems {1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004624/0.8394, allocations: 4.233 MB / 1.344 GB, free: 10.74 MB / 0.8698 GB Notification: Performance of simCode: created initialization part: time 0.004848/0.8443, allocations: 3.329 MB / 1.347 GB, free: 7.418 MB / 0.8698 GB Notification: Performance of simCode: created event and clocks part: time 4.589e-06/0.8443, allocations: 4 kB / 1.347 GB, free: 7.414 MB / 0.8698 GB Notification: Performance of simCode: created simulation system equations: time 0.001408/0.8457, allocations: 1.043 MB / 1.348 GB, free: 6.371 MB / 0.8698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006631/0.8523, allocations: 1.607 MB / 1.349 GB, free: 4.773 MB / 0.8698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02983/0.8822, allocations: 24.19 MB / 1.373 GB, free: 10.68 MB / 0.9011 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001692/0.8839, allocations: 2.197 MB / 1.375 GB, free: 8.449 MB / 0.9011 GB Notification: Performance of simCode: alias equations: time 0.003373/0.8873, allocations: 1.103 MB / 1.376 GB, free: 7.34 MB / 0.9011 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001411/0.8887, allocations: 1.269 MB / 1.377 GB, free: 6.07 MB / 0.9011 GB Notification: Performance of SimCode: time 5.11e-07/0.8887, allocations: 0 / 1.377 GB, free: 6.07 MB / 0.9011 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.7781/1.667, allocations: 75.03 MB / 1.451 GB, free: 333.5 MB / 0.9167 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001642/1.667, allocations: 293.3 kB / 1.451 GB, free: 333.1 MB / 0.9167 GB Notification: Performance of buildModelFMU: Generate platform static: time 4.731/6.398, allocations: 3.938 kB / 1.451 GB, free: 333.1 MB / 0.9167 GB (rm -f Buildings_maint.7.0.x_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Fluid_Sources_Examples_TraceSubstancesFlowSource_fmu --startTime=0 --stopTime=600 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Fluid_Sources_Examples_TraceSubstancesFlowSource.fmu > Buildings_maint.7.0.x_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe 2>&1)