Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource") translateModel(IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001073/0.001073, allocations: 101.5 kB / 16.27 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001196/0.001196, allocations: 191.4 kB / 17.2 MB, free: 5.574 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.382/1.382, allocations: 222.9 MB / 240.9 MB, free: 15.22 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7715/0.7715, allocations: 122.9 MB / 413.9 MB, free: 15.83 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001287/0.001288, allocations: 59.91 kB / 0.4911 GB, free: 7.426 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3479/0.3492, allocations: 77.92 MB / 0.5672 GB, free: 32.96 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource): time 0.6832/1.032, allocations: 305.1 MB / 0.8652 GB, free: 13.33 MB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.03559/1.068, allocations: 25.85 MB / 0.8904 GB, free: 10.64 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006295/1.074, allocations: 127 kB / 0.8905 GB, free: 10.57 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.006613/1.081, allocations: 1.796 MB / 0.8923 GB, free: 9.293 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.01801/1.099, allocations: 5.962 MB / 0.8981 GB, free: 4.047 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.00793/1.107, allocations: 2.61 MB / 0.9006 GB, free: 1.457 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.01435/1.121, allocations: 8.895 MB / 0.9093 GB, free: 8.543 MB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005211/1.127, allocations: 3.62 MB / 0.9129 GB, free: 4.84 MB / 0.6231 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0112/1.138, allocations: 4.128 MB / 0.9169 GB, free: 0.7422 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00598/1.144, allocations: 2.963 MB / 0.9198 GB, free: 13.78 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.001134/1.145, allocations: 360 kB / 0.9201 GB, free: 13.43 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01185/1.157, allocations: 4.599 MB / 0.9246 GB, free: 8.82 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.00255/1.16, allocations: 1.644 MB / 0.9262 GB, free: 7.172 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.004082/1.164, allocations: 2.131 MB / 0.9283 GB, free: 5.031 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.01561/1.179, allocations: 6.669 MB / 0.9348 GB, free: 14.34 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 7.625e-06/1.179, allocations: 0 / 0.9348 GB, free: 14.34 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.883e-06/1.179, allocations: 0 / 0.9348 GB, free: 14.34 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0001806/1.18, allocations: 0 / 0.9348 GB, free: 14.34 MB / 0.6544 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 0.009163/1.189, allocations: 4.176 MB / 0.9389 GB, free: 10.1 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.064e-05/1.189, allocations: 8.625 kB / 0.9389 GB, free: 10.09 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005861/1.195, allocations: 0.94 MB / 0.9398 GB, free: 9.145 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005426/1.2, allocations: 2.267 MB / 0.942 GB, free: 6.801 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002724/1.2, allocations: 273.3 kB / 0.9423 GB, free: 6.52 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005623/1.201, allocations: 291.9 kB / 0.9426 GB, free: 6.234 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005846/1.207, allocations: 3.355 MB / 0.9459 GB, free: 2.793 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.482e-05/1.207, allocations: 7.938 kB / 0.9459 GB, free: 2.785 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002518/1.207, allocations: 112 kB / 0.946 GB, free: 2.676 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001255/1.207, allocations: 113.3 kB / 0.9461 GB, free: 2.562 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004437/1.212, allocations: 2.804 MB / 0.9488 GB, free: 15.75 MB / 0.67 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 0.0182/1.23, allocations: 13.36 MB / 0.9619 GB, free: 1.203 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002628/1.233, allocations: 1.685 MB / 0.9635 GB, free: 15.51 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00149/1.234, allocations: 1.114 MB / 0.9646 GB, free: 14.4 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005136/1.235, allocations: 329.2 kB / 0.9649 GB, free: 14.02 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.52e-05/1.235, allocations: 56.56 kB / 0.965 GB, free: 13.96 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=182): time 6.262e-06/1.235, allocations: 0 / 0.965 GB, free: 13.96 MB / 0.6856 GB Notification: Performance of matching and sorting (n=182): time 0.005243/1.24, allocations: 2.731 MB / 0.9676 GB, free: 11.22 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.839e-05/1.24, allocations: 73.41 kB / 0.9677 GB, free: 11.14 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003097/1.243, allocations: 1.994 MB / 0.9696 GB, free: 9.125 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0003035/1.244, allocations: 69.7 kB / 0.9697 GB, free: 9.051 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001107/1.245, allocations: 1.406 MB / 0.9711 GB, free: 7.629 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007306/1.245, allocations: 0.6431 MB / 0.9717 GB, free: 6.977 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005466/1.246, allocations: 387.2 kB / 0.9721 GB, free: 6.59 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001157/1.246, allocations: 305.1 kB / 0.9724 GB, free: 6.289 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001238/1.247, allocations: 0.813 MB / 0.9732 GB, free: 5.465 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001719/1.249, allocations: 1.406 MB / 0.9745 GB, free: 3.805 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00287/1.252, allocations: 2.256 MB / 0.9767 GB, free: 1.371 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.017e-06/1.252, allocations: 4 kB / 0.9767 GB, free: 1.367 MB / 0.6856 GB Notification: Performance of matching and sorting (n=257) (initialization): time 0.004264/1.256, allocations: 2.506 MB / 0.9792 GB, free: 14.85 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 2.721e-05/1.256, allocations: 8 kB / 0.9792 GB, free: 14.84 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.411e-05/1.256, allocations: 16 kB / 0.9792 GB, free: 14.82 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.338e-05/1.256, allocations: 20 kB / 0.9792 GB, free: 14.8 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002398/1.259, allocations: 0.5544 MB / 0.9798 GB, free: 14.25 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002247/1.261, allocations: 4.157 MB / 0.9838 GB, free: 9.93 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002931/1.264, allocations: 226.1 kB / 0.9841 GB, free: 9.707 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001493/1.264, allocations: 87.98 kB / 0.9841 GB, free: 9.621 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002413/1.266, allocations: 1.464 MB / 0.9856 GB, free: 8.148 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001594/1.268, allocations: 1.399 MB / 0.9869 GB, free: 6.496 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002814/1.271, allocations: 2.24 MB / 0.9891 GB, free: 4.074 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.326e-06/1.271, allocations: 7.984 kB / 0.9891 GB, free: 4.066 MB / 0.7012 GB Notification: Performance of matching and sorting (n=257) (initialization_lambda0): time 0.004054/1.275, allocations: 2.475 MB / 0.9915 GB, free: 1.582 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 2.131e-05/1.275, allocations: 11.98 kB / 0.9916 GB, free: 1.57 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.839e-05/1.275, allocations: 16 kB / 0.9916 GB, free: 1.555 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.96e-05/1.275, allocations: 20 kB / 0.9916 GB, free: 1.535 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001688/1.277, allocations: 479.2 kB / 0.992 GB, free: 1.066 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.025e-05/1.277, allocations: 31.92 kB / 0.9921 GB, free: 1.035 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002625/1.279, allocations: 186.8 kB / 0.9923 GB, free: 0.8516 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000131/1.28, allocations: 83.98 kB / 0.9923 GB, free: 0.7695 MB / 0.7012 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 0.0005563/1.28, allocations: 320.2 kB / 0.9926 GB, free: 460 kB / 0.7012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004775/1.281, allocations: 268.8 kB / 0.9929 GB, free: 188 kB / 0.7012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003324/1.284, allocations: 2.115 MB / 0.995 GB, free: 14.05 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.65e-05/1.284, allocations: 16 kB / 0.995 GB, free: 14.04 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.234e-06/1.284, allocations: 0 / 0.995 GB, free: 14.04 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002427/1.286, allocations: 1.89 MB / 0.9968 GB, free: 12.1 MB / 0.7169 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007819/1.294, allocations: 5.177 MB / 1.002 GB, free: 6.82 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.027e-06/1.294, allocations: 4 kB / 1.002 GB, free: 6.816 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002238/1.297, allocations: 0.4958 MB / 1.002 GB, free: 6.32 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.583e-05/1.297, allocations: 8 kB / 1.002 GB, free: 6.312 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001195/1.297, allocations: 51.97 kB / 1.002 GB, free: 6.262 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001854/1.299, allocations: 4.126 MB / 1.006 GB, free: 1.973 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.02e-06/1.299, allocations: 4 kB / 1.006 GB, free: 1.969 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004829/1.303, allocations: 3.223 MB / 1.01 GB, free: 14.69 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001593/1.305, allocations: 0.5638 MB / 1.01 GB, free: 14.11 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000386/1.305, allocations: 43.98 kB / 1.01 GB, free: 14.06 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001822/1.307, allocations: 86.36 kB / 1.01 GB, free: 13.98 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002161/1.308, allocations: 113.7 kB / 1.01 GB, free: 13.87 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001301/1.308, allocations: 71.97 kB / 1.01 GB, free: 13.8 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001899/1.31, allocations: 1.334 MB / 1.012 GB, free: 12.46 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.7e-07/1.31, allocations: 3.938 kB / 1.012 GB, free: 12.45 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.004133/1.314, allocations: 1.718 MB / 1.013 GB, free: 10.73 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * Number of states: 20 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.m,vol.dynBal.mC[1],vol1.dynBal.medium.Xi[1],vol1.dynBal.U,vol1.dynBal.m,vol1.dynBal.mC[1],vol2.dynBal.medium.Xi[1],vol2.dynBal.U,vol2.dynBal.m,vol2.dynBal.mC[1],vol3.dynBal.medium.Xi[1],vol3.dynBal.U,vol3.dynBal.m,vol3.dynBal.mC[1],vol4.dynBal.medium.Xi[1],vol4.dynBal.U,vol4.dynBal.m,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 0.0008049/1.315, allocations: 368.7 kB / 1.014 GB, free: 10.38 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.009108/1.324, allocations: 4.632 MB / 1.018 GB, free: 5.746 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 8.256e-06/1.324, allocations: 1.938 kB / 1.018 GB, free: 5.746 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.001693/1.325, allocations: 1.027 MB / 1.019 GB, free: 4.723 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007074/1.332, allocations: 1.544 MB / 1.021 GB, free: 3.25 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3412/1.674, allocations: 6.594 MB / 1.027 GB, free: 312.8 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002858/1.677, allocations: 2.189 MB / 1.029 GB, free: 312 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.005406/1.682, allocations: 1.091 MB / 1.03 GB, free: 312 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007768/1.683, allocations: 213 kB / 1.031 GB, free: 312 MB / 0.7325 GB Notification: Performance of SimCode: time 1.152e-06/1.683, allocations: 0 / 1.031 GB, free: 312 MB / 0.7325 GB Notification: Performance of Templates: time 0.1012/1.784, allocations: 54.15 MB / 1.084 GB, free: 278.2 MB / 0.7325 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource.makefile (rm -f IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource.sim & ./IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Sources.Examples.TraceSubstancesFlowSource.pipe 2>&1)