Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.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/Modelica_DeviceDrivers 2.1.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo", uses=false) Using package AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo) Using package SDF with version 0.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo) Using package Modelica_DeviceDrivers with version 2.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-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(AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance") translateModel(AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001433/0.001433, allocations: 108.7 kB / 16.41 MB, free: 6.453 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001576/0.001576, allocations: 181.7 kB / 17.34 MB, free: 5.742 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.283/1.283, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-master/package.mo): time 0.05494/0.05494, allocations: 12.03 MB / 303.3 MB, free: 3.113 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0005003/0.0005003, allocations: 19.95 kB / 356.3 MB, free: 13.99 MB / 302.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6228:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6853:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:8435:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:9369:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:11505:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:12875:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/Examples/DryAir/DryAir_test.mo:71:18-71:405:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:2066:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:4252:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_RoofN_Roof_S.mo:5:35-5:362:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_Hor.mo:5:35-5:320:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_NE_SE_SW_NW_Hor.mo:5:35-5:324:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:588:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:3852:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_Cleanergy_C9G.mo:36:34-36:594:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/BoundaryConditions/InternalGains/Examples/InternalGains/Machines.mo:31:20-31:400:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo): time 1.47/1.47, allocations: 268.2 MB / 0.6617 GB, free: 2.625 MB / 478.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002012/0.002012, allocations: 111.8 kB / 0.888 GB, free: 2.824 MB / 0.6075 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4651/0.4671, allocations: 108.4 MB / 0.9938 GB, free: 1.188 MB / 0.67 GB Notification: Performance of NFInst.instantiate(AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance): time 0.1766/0.6438, allocations: 190.3 MB / 1.18 GB, free: 2.125 MB / 0.8575 GB Notification: Performance of NFInst.instExpressions: time 0.008219/0.6521, allocations: 5.69 MB / 1.185 GB, free: 12.43 MB / 0.8732 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001027/0.6531, allocations: 39.75 kB / 1.185 GB, free: 12.39 MB / 0.8732 GB Notification: Performance of NFTyping.typeComponents: time 0.001436/0.6546, allocations: 0.5903 MB / 1.186 GB, free: 11.79 MB / 0.8732 GB Notification: Performance of NFTyping.typeBindings: time 0.003549/0.6581, allocations: 1.657 MB / 1.187 GB, free: 10.13 MB / 0.8732 GB Notification: Performance of NFTyping.typeClassSections: time 0.002767/0.6609, allocations: 1.221 MB / 1.189 GB, free: 8.918 MB / 0.8732 GB Notification: Performance of NFFlatten.flatten: time 0.002827/0.6638, allocations: 2.5 MB / 1.191 GB, free: 6.41 MB / 0.8732 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001258/0.665, allocations: 1 MB / 1.192 GB, free: 5.391 MB / 0.8732 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001731/0.6668, allocations: 1.062 MB / 1.193 GB, free: 4.324 MB / 0.8732 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001588/0.6684, allocations: 0.8147 MB / 1.194 GB, free: 3.516 MB / 0.8732 GB Notification: Performance of NFPackage.collectConstants: time 0.0002176/0.6686, allocations: 108 kB / 1.194 GB, free: 3.41 MB / 0.8732 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002585/0.6712, allocations: 1.532 MB / 1.196 GB, free: 1.875 MB / 0.8732 GB Notification: Performance of NFScalarize.scalarize: time 0.0005088/0.6717, allocations: 498.7 kB / 1.196 GB, free: 1.387 MB / 0.8732 GB Notification: Performance of NFVerifyModel.verify: time 0.0007589/0.6725, allocations: 0.63 MB / 1.197 GB, free: 0.7539 MB / 0.8732 GB Notification: Performance of NFConvertDAE.convert: time 0.00265/0.6751, allocations: 2.115 MB / 1.199 GB, free: 14.63 MB / 0.8888 GB Notification: Performance of FrontEnd - DAE generated: time 3.797e-06/0.6752, allocations: 0 / 1.199 GB, free: 14.63 MB / 0.8888 GB Notification: Performance of FrontEnd: time 1.342e-06/0.6752, allocations: 0 / 1.199 GB, free: 14.63 MB / 0.8888 GB Notification: Performance of Transformations before backend: time 3.267e-05/0.6752, allocations: 0 / 1.199 GB, free: 14.63 MB / 0.8888 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 212 * Number of variables: 212 Notification: Performance of Generate backend data structure: time 0.002336/0.6776, allocations: 1.48 MB / 1.2 GB, free: 13.1 MB / 0.8888 GB Notification: Performance of prepare preOptimizeDAE: time 3.85e-05/0.6776, allocations: 12.03 kB / 1.2 GB, free: 13.09 MB / 0.8888 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002022/0.6796, allocations: 322.3 kB / 1.2 GB, free: 12.77 MB / 0.8888 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001379/0.681, allocations: 0.8155 MB / 1.201 GB, free: 11.91 MB / 0.8888 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.324e-05/0.6811, allocations: 69.94 kB / 1.201 GB, free: 11.85 MB / 0.8888 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001259/0.6812, allocations: 84 kB / 1.201 GB, free: 11.77 MB / 0.8888 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001735/0.683, allocations: 1.071 MB / 1.202 GB, free: 10.65 MB / 0.8888 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.187e-05/0.683, allocations: 0 / 1.202 GB, free: 10.65 MB / 0.8888 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.509e-05/0.6831, allocations: 43.98 kB / 1.202 GB, free: 10.61 MB / 0.8888 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.931e-05/0.6831, allocations: 30 kB / 1.202 GB, free: 10.58 MB / 0.8888 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001495/0.6846, allocations: 0.8275 MB / 1.203 GB, free: 9.75 MB / 0.8888 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 0.005328/0.69, allocations: 4.252 MB / 1.207 GB, free: 5.227 MB / 0.8888 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005576/0.6906, allocations: 378.6 kB / 1.208 GB, free: 4.848 MB / 0.8888 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002876/0.6909, allocations: 220.7 kB / 1.208 GB, free: 4.629 MB / 0.8888 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001729/0.691, allocations: 97.09 kB / 1.208 GB, free: 4.516 MB / 0.8888 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.713e-05/0.6911, allocations: 42.56 kB / 1.208 GB, free: 4.465 MB / 0.8888 GB Notification: Performance of pre-optimization done (n=36): time 2.314e-06/0.6911, allocations: 0 / 1.208 GB, free: 4.465 MB / 0.8888 GB Notification: Performance of matching and sorting (n=38): time 0.002351/0.6934, allocations: 1.328 MB / 1.209 GB, free: 3.082 MB / 0.8888 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.412e-05/0.6935, allocations: 55.41 kB / 1.21 GB, free: 3.016 MB / 0.8888 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001294/0.6948, allocations: 1.001 MB / 1.21 GB, free: 1.992 MB / 0.8888 GB Notification: Performance of collectPreVariables (initialization): time 5.271e-05/0.6948, allocations: 37.7 kB / 1.211 GB, free: 1.949 MB / 0.8888 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003316/0.6952, allocations: 499.2 kB / 1.211 GB, free: 1.457 MB / 0.8888 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001135/0.6953, allocations: 138 kB / 1.211 GB, free: 1.32 MB / 0.8888 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001857/0.6955, allocations: 130.1 kB / 1.211 GB, free: 1.188 MB / 0.8888 GB Notification: Performance of setup shared object (initialization): time 0.0001076/0.6956, allocations: 333.9 kB / 1.212 GB, free: 0.8555 MB / 0.8888 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004638/0.6961, allocations: 229.2 kB / 1.212 GB, free: 0.6289 MB / 0.8888 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005826/0.6967, allocations: 437.5 kB / 1.212 GB, free: 124 kB / 0.8888 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: volDyn.dynBal.medium.p = volDyn.dynBal.p_start (bou.p = volDyn.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.002374/0.6991, allocations: 1.208 MB / 1.213 GB, free: 14.82 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.256e-06/0.6991, allocations: 7.938 kB / 1.213 GB, free: 14.81 MB / 0.9044 GB Notification: Performance of matching and sorting (n=74) (initialization): time 0.001331/0.7004, allocations: 0.7577 MB / 1.214 GB, free: 14.05 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 1.749e-05/0.7004, allocations: 16.09 kB / 1.214 GB, free: 14.03 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.046e-05/0.7004, allocations: 8 kB / 1.214 GB, free: 14.02 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.025e-05/0.7005, allocations: 8 kB / 1.214 GB, free: 14.02 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005705/0.701, allocations: 139.8 kB / 1.214 GB, free: 13.88 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.521e-05/0.7011, allocations: 11.94 kB / 1.214 GB, free: 13.87 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008836/0.702, allocations: 59.95 kB / 1.214 GB, free: 13.81 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.165e-05/0.702, allocations: 27.98 kB / 1.214 GB, free: 13.78 MB / 0.9044 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: volDyn.dynBal.medium.p = volDyn.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 25 * 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 (74): * Single equations (assignments): 74 * 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 0.0003896/0.7024, allocations: 315.3 kB / 1.215 GB, free: 13.46 MB / 0.9044 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001572/0.7026, allocations: 102.7 kB / 1.215 GB, free: 13.36 MB / 0.9044 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001766/0.7028, allocations: 101 kB / 1.215 GB, free: 13.26 MB / 0.9044 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0006389/0.7034, allocations: 0.6984 MB / 1.216 GB, free: 12.47 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.953e-06/0.7034, allocations: 0 / 1.216 GB, free: 12.47 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003841/0.7038, allocations: 231.9 kB / 1.216 GB, free: 12.23 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001303/0.704, allocations: 8 kB / 1.216 GB, free: 12.22 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006485/0.7046, allocations: 31.97 kB / 1.216 GB, free: 12.19 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.371e-05/0.7047, allocations: 19.97 kB / 1.216 GB, free: 12.17 MB / 0.9044 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0009173/0.7056, allocations: 0.516 MB / 1.216 GB, free: 11.64 MB / 0.9044 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.001006/0.7066, allocations: 0.8688 MB / 1.217 GB, free: 10.76 MB / 0.9044 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.0002372/0.7069, allocations: 183.9 kB / 1.217 GB, free: 10.58 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.0009717/0.7078, allocations: 0.7036 MB / 1.218 GB, free: 9.863 MB / 0.9044 GB Notification: Performance of Backend: time 4.31e-07/0.7078, allocations: 4 kB / 1.218 GB, free: 9.859 MB / 0.9044 GB Notification: Performance of simCode: created initialization part: time 0.001913/0.7098, allocations: 0.7349 MB / 1.219 GB, free: 9.129 MB / 0.9044 GB Notification: Performance of SimCode: time 0.004226/0.714, allocations: 2.592 MB / 1.221 GB, free: 6.512 MB / 0.9044 GB Notification: Performance of Templates: time 0.4081/1.122, allocations: 23.06 MB / 1.244 GB, free: 228.2 MB / 0.9044 GB make -j1 -f AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.makefile (rm -f AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.pipe ; mkfifo AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.pipe ; head -c 1048576 < AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.pipe >> ../files/AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.sim & ./AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance -abortSlowSimulation -alarm=480 -lv LOG_STATS > AixLib_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.pipe 2>&1)