Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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 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.Sources.Examples.TraceSubstancesFlowSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource") translateModel(Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001243/0.001244, allocations: 105.4 kB / 15.7 MB, free: 28 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00134/0.00134, allocations: 188.5 kB / 16.64 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.469/1.469, allocations: 205.1 MB / 222.5 MB, free: 4.547 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.793/1.793, allocations: 292.3 MB / 0.549 GB, free: 12.73 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001437/0.001437, allocations: 66.53 kB / 0.6723 GB, free: 26.09 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2748/0.2762, allocations: 114.5 MB / 0.7841 GB, free: 12.74 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource): time 0.718/0.9943, allocations: 305.1 MB / 1.082 GB, free: 5.648 MB / 0.795 GB Notification: Performance of NFInst.instExpressions: time 0.03918/1.034, allocations: 25.63 MB / 1.107 GB, free: 11.95 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005872/1.039, allocations: 123.2 kB / 1.107 GB, free: 11.83 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.006575/1.046, allocations: 1.786 MB / 1.109 GB, free: 10.03 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.019/1.065, allocations: 5.943 MB / 1.115 GB, free: 4.066 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.007632/1.073, allocations: 2.606 MB / 1.117 GB, free: 1.477 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.01492/1.088, allocations: 8.852 MB / 1.126 GB, free: 8.609 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006212/1.094, allocations: 3.625 MB / 1.129 GB, free: 4.906 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01223/1.106, allocations: 4.127 MB / 1.134 GB, free: 0.8086 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00677/1.113, allocations: 2.951 MB / 1.136 GB, free: 13.86 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.001502/1.115, allocations: 364 kB / 1.137 GB, free: 13.5 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01295/1.128, allocations: 4.61 MB / 1.141 GB, free: 8.883 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.003285/1.131, allocations: 1.64 MB / 1.143 GB, free: 7.238 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.006824/1.138, allocations: 2.12 MB / 1.145 GB, free: 5.109 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.01769/1.155, allocations: 6.739 MB / 1.152 GB, free: 14.35 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 7.695e-06/1.156, allocations: 0 / 1.152 GB, free: 14.35 MB / 0.8731 GB Notification: Performance of FrontEnd: time 1.974e-06/1.156, allocations: 0 / 1.152 GB, free: 14.35 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 0.0001915/1.156, allocations: 0 / 1.152 GB, free: 14.35 MB / 0.8731 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 693 * Number of variables: 693 Notification: Performance of Generate backend data structure: time 0.008917/1.165, allocations: 4.149 MB / 1.156 GB, free: 10.13 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 6.142e-05/1.165, allocations: 16.03 kB / 1.156 GB, free: 10.12 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005867/1.171, allocations: 0.9321 MB / 1.156 GB, free: 9.18 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005056/1.176, allocations: 2.361 MB / 1.159 GB, free: 6.742 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002566/1.176, allocations: 277.2 kB / 1.159 GB, free: 6.457 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004497/1.176, allocations: 299.9 kB / 1.159 GB, free: 6.164 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005779/1.182, allocations: 3.355 MB / 1.163 GB, free: 2.723 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.177e-05/1.182, allocations: 4 kB / 1.163 GB, free: 2.719 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002346/1.183, allocations: 116 kB / 1.163 GB, free: 2.605 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001245/1.183, allocations: 109.3 kB / 1.163 GB, free: 2.496 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004457/1.187, allocations: 2.785 MB / 1.166 GB, free: 15.7 MB / 0.8887 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 0.01683/1.204, allocations: 13.22 MB / 1.178 GB, free: 1.297 MB / 0.8887 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00243/1.206, allocations: 1.824 MB / 1.18 GB, free: 15.47 MB / 0.9044 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001442/1.208, allocations: 1.11 MB / 1.181 GB, free: 14.36 MB / 0.9044 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004525/1.208, allocations: 325.2 kB / 1.182 GB, free: 13.99 MB / 0.9044 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.492e-05/1.208, allocations: 60.56 kB / 1.182 GB, free: 13.92 MB / 0.9044 GB Notification: Performance of pre-optimization done (n=182): time 6.021e-06/1.208, allocations: 0 / 1.182 GB, free: 13.92 MB / 0.9044 GB Notification: Performance of matching and sorting (n=182): time 0.00511/1.214, allocations: 2.723 MB / 1.184 GB, free: 11.19 MB / 0.9044 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.431e-05/1.214, allocations: 73.41 kB / 1.184 GB, free: 11.11 MB / 0.9044 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002791/1.216, allocations: 1.972 MB / 1.186 GB, free: 9.113 MB / 0.9044 GB Notification: Performance of collectPreVariables (initialization): time 0.0003107/1.217, allocations: 69.7 kB / 1.186 GB, free: 9.039 MB / 0.9044 GB Notification: Performance of collectInitialEqns (initialization): time 0.001019/1.218, allocations: 1.402 MB / 1.188 GB, free: 7.621 MB / 0.9044 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006786/1.218, allocations: 0.6431 MB / 1.188 GB, free: 6.969 MB / 0.9044 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005662/1.219, allocations: 387.3 kB / 1.189 GB, free: 6.582 MB / 0.9044 GB Notification: Performance of setup shared object (initialization): time 0.0001018/1.219, allocations: 301.1 kB / 1.189 GB, free: 6.285 MB / 0.9044 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001208/1.22, allocations: 0.813 MB / 1.19 GB, free: 5.461 MB / 0.9044 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001652/1.222, allocations: 1.431 MB / 1.191 GB, free: 3.758 MB / 0.9044 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003085/1.225, allocations: 2.252 MB / 1.193 GB, free: 1.328 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.126e-05/1.225, allocations: 4 kB / 1.193 GB, free: 1.324 MB / 0.9044 GB Notification: Performance of matching and sorting (n=257) (initialization): time 0.004447/1.23, allocations: 2.49 MB / 1.196 GB, free: 14.82 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 2.51e-05/1.23, allocations: 12 kB / 1.196 GB, free: 14.81 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.778e-05/1.23, allocations: 12 kB / 1.196 GB, free: 14.8 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.578e-05/1.23, allocations: 28.69 kB / 1.196 GB, free: 14.77 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002439/1.232, allocations: 0.5577 MB / 1.196 GB, free: 14.21 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002275/1.234, allocations: 4.153 MB / 1.201 GB, free: 9.898 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002615/1.237, allocations: 220.9 kB / 1.201 GB, free: 9.684 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001681/1.237, allocations: 95.92 kB / 1.201 GB, free: 9.59 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002444/1.24, allocations: 1.453 MB / 1.202 GB, free: 8.129 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001724/1.241, allocations: 1.428 MB / 1.204 GB, free: 6.434 MB / 0.92 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002974/1.244, allocations: 2.237 MB / 1.206 GB, free: 4.016 MB / 0.92 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.156e-06/1.244, allocations: 4 kB / 1.206 GB, free: 4.012 MB / 0.92 GB Notification: Performance of matching and sorting (n=257) (initialization_lambda0): time 0.004109/1.249, allocations: 2.459 MB / 1.208 GB, free: 1.543 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 2.067e-05/1.249, allocations: 12 kB / 1.208 GB, free: 1.531 MB / 0.92 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.494e-05/1.249, allocations: 12 kB / 1.208 GB, free: 1.52 MB / 0.92 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.247e-05/1.249, allocations: 24.81 kB / 1.208 GB, free: 1.496 MB / 0.92 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001704/1.25, allocations: 475.3 kB / 1.209 GB, free: 1.031 MB / 0.92 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.983e-05/1.25, allocations: 31.92 kB / 1.209 GB, free: 1 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002569/1.253, allocations: 190.9 kB / 1.209 GB, free: 0.8125 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001549/1.253, allocations: 87.98 kB / 1.209 GB, free: 0.7266 MB / 0.92 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 59 * 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 (257): * Single equations (assignments): 250 * 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 0.0005661/1.254, allocations: 325.3 kB / 1.209 GB, free: 416 kB / 0.92 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005756/1.254, allocations: 260.9 kB / 1.21 GB, free: 152 kB / 0.92 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003489/1.258, allocations: 2.091 MB / 1.212 GB, free: 14.05 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.336e-05/1.258, allocations: 19.98 kB / 1.212 GB, free: 14.03 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.153e-06/1.258, allocations: 8 kB / 1.212 GB, free: 14.02 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002572/1.26, allocations: 1.875 MB / 1.214 GB, free: 12.1 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007858/1.268, allocations: 5.153 MB / 1.219 GB, free: 6.84 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.396e-06/1.268, allocations: 3.984 kB / 1.219 GB, free: 6.836 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002296/1.271, allocations: 0.5114 MB / 1.219 GB, free: 6.324 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.432e-05/1.271, allocations: 8 kB / 1.219 GB, free: 6.316 MB / 0.9356 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000127/1.271, allocations: 51.98 kB / 1.219 GB, free: 6.266 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00193/1.273, allocations: 4.122 MB / 1.223 GB, free: 1.98 MB / 0.9356 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.641e-06/1.273, allocations: 4.281 kB / 1.223 GB, free: 1.977 MB / 0.9356 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00475/1.278, allocations: 3.367 MB / 1.226 GB, free: 14.55 MB / 0.9512 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00122/1.279, allocations: 0.5637 MB / 1.227 GB, free: 13.97 MB / 0.9512 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003244/1.279, allocations: 47.98 kB / 1.227 GB, free: 13.92 MB / 0.9512 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001621/1.281, allocations: 75.94 kB / 1.227 GB, free: 13.85 MB / 0.9512 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002006/1.281, allocations: 109.8 kB / 1.227 GB, free: 13.74 MB / 0.9512 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000139/1.281, allocations: 79.89 kB / 1.227 GB, free: 13.66 MB / 0.9512 GB Notification: Performance of sorting global known variables: time 0.001772/1.283, allocations: 1.317 MB / 1.229 GB, free: 12.34 MB / 0.9512 GB Notification: Performance of sort global known variables: time 1.8e-07/1.283, allocations: 0 / 1.229 GB, free: 12.34 MB / 0.9512 GB Notification: Performance of remove unused functions: time 0.003703/1.287, allocations: 1.718 MB / 1.23 GB, free: 10.61 MB / 0.9512 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 (182): * Single equations (assignments): 175 * 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 0.0007185/1.287, allocations: 355.7 kB / 1.231 GB, free: 10.27 MB / 0.9512 GB Notification: Performance of simCode: created initialization part: time 0.00578/1.293, allocations: 3.322 MB / 1.234 GB, free: 6.949 MB / 0.9512 GB Notification: Performance of simCode: created event and clocks part: time 6.673e-06/1.293, allocations: 0 / 1.234 GB, free: 6.949 MB / 0.9512 GB Notification: Performance of simCode: created simulation system equations: time 0.001687/1.295, allocations: 1.023 MB / 1.235 GB, free: 5.93 MB / 0.9512 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006577/1.301, allocations: 1.536 MB / 1.236 GB, free: 4.418 MB / 0.9512 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009924/1.311, allocations: 6.45 MB / 1.243 GB, free: 13.9 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001962/1.313, allocations: 2.185 MB / 1.245 GB, free: 11.69 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.003562/1.317, allocations: 1.076 MB / 1.246 GB, free: 10.61 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007821/1.318, allocations: 223.4 kB / 1.246 GB, free: 10.39 MB / 0.9669 GB Notification: Performance of SimCode: time 2.645e-06/1.318, allocations: 0 / 1.246 GB, free: 10.39 MB / 0.9669 GB Notification: Performance of Templates: time 0.4697/1.787, allocations: 54.32 MB / 1.299 GB, free: 377.1 MB / 0.9981 GB make -j1 -f Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.makefile (rm -f Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe ; mkfifo Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe >> ../files/Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.sim & ./Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe 2>&1)