Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/package.mo", uses=false) Using package ThermoSysPro with version 4.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/package.mo) Running command: translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser") translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/package.mo): time 0.8045/0.8045, allocations: 150.9 MB / 166.4 MB, free: 14.2 MB / 142.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003524/0.0003524, allocations: 15.98 kB / 204.5 MB, free: 9.609 MB / 174.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1567/0.1571, allocations: 31.33 MB / 235.9 MB, free: 5.453 MB / 190.1 MB Notification: Automatically loaded package Complex 4.0.0 due to uses annotation from Modelica. Notification: Automatically loaded package ModelicaServices 4.0.0 due to uses annotation from Modelica. Notification: Automatically loaded package Modelica 4.0.0 due to usage. Notification: Performance of NFInst.instantiate(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser): time 1.652/1.809, allocations: 296.8 MB / 0.5202 GB, free: 11.29 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.5298/2.339, allocations: 190 MB / 0.7057 GB, free: 2.102 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000507/2.34, allocations: 16.66 kB / 0.7057 GB, free: 2.102 MB / 0.5762 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/HeatExchangers/SimpleStaticCondenser.mo:65:3-66:55:writable] Warning: Connector Ec is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/HeatExchangers/SimpleStaticCondenser.mo:67:3-68:54:writable] Warning: Connector Ef is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/HeatExchangers/SimpleStaticCondenser.mo:69:3-70:51:writable] Warning: Connector Sf is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/HeatExchangers/SimpleStaticCondenser.mo:71:3-72:53:writable] Warning: Connector Sc is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/BoundaryConditions/SourceP.mo:58:3-59:65:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/BoundaryConditions/SinkP.mo:46:3-47:67:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). Notification: Performance of NFTyping.typeComponents: time 0.0006529/2.34, allocations: 211.8 kB / 0.7059 GB, free: 2.102 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.0007418/2.341, allocations: 331.8 kB / 0.7062 GB, free: 2.102 MB / 0.5762 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Properties/WaterSteam/IF97_packages.mo:783:9-783:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Properties/WaterSteam/IF97_packages.mo:850:9-850:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Properties/WaterSteam/IF97_packages.mo:1088:9-1088:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Properties/WaterSteamSimple/prop4_Ph.mo:69:3-69:60:writable] Warning: dh1satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Properties/WaterSteamSimple/prop4_Ph.mo:69:3-69:60:writable] Warning: dh2satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Properties/WaterSteamSimple/prop4_Ph_der.mo:167:3-170:49:writable] Warning: du1satp_der was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Properties/WaterSteamSimple/prop4_Ph_der.mo:167:3-170:49:writable] Warning: du2satp_der was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. Notification: Performance of NFTyping.typeClassSections: time 0.02766/2.369, allocations: 11.78 MB / 0.7177 GB, free: 1.941 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.001248/2.37, allocations: 1.02 MB / 0.7187 GB, free: 1.941 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004829/2.371, allocations: 433.2 kB / 0.7191 GB, free: 1.871 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004542/2.371, allocations: 411.6 kB / 0.7195 GB, free: 1.871 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003511/2.371, allocations: 387.1 kB / 0.7199 GB, free: 1.871 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 7.154e-05/2.371, allocations: 65.69 kB / 0.72 GB, free: 1.871 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0318/2.403, allocations: 19.9 MB / 0.7394 GB, free: 1.773 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0002627/2.404, allocations: 163.9 kB / 0.7396 GB, free: 1.773 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.0006809/2.404, allocations: 454.9 kB / 0.74 GB, free: 1.773 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.02339/2.428, allocations: 10.36 MB / 0.7501 GB, free: 14.24 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 6.352e-06/2.428, allocations: 0.9062 kB / 0.7501 GB, free: 14.24 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.713e-06/2.428, allocations: 0 / 0.7501 GB, free: 14.24 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 1.317e-05/2.428, allocations: 1.031 kB / 0.7501 GB, free: 14.24 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 245 * Number of variables: 245 Notification: Performance of Generate backend data structure: time 0.005405/2.433, allocations: 2.192 MB / 0.7523 GB, free: 12.89 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.852e-05/2.433, allocations: 10.19 kB / 0.7523 GB, free: 12.89 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001445/2.433, allocations: 92.66 kB / 0.7523 GB, free: 12.84 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004923/2.434, allocations: 449.5 kB / 0.7528 GB, free: 12.52 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.263e-05/2.434, allocations: 51.88 kB / 0.7528 GB, free: 12.51 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.069e-05/2.434, allocations: 70.41 kB / 0.7529 GB, free: 12.51 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009979/2.435, allocations: 0.827 MB / 0.7537 GB, free: 12.25 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.724e-05/2.435, allocations: 5.781 kB / 0.7537 GB, free: 12.25 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.745e-05/2.435, allocations: 28.22 kB / 0.7537 GB, free: 12.25 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.528e-05/2.435, allocations: 30.98 kB / 0.7538 GB, free: 12.25 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006807/2.436, allocations: 0.5381 MB / 0.7543 GB, free: 12.18 MB / 0.5919 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 0.01679/2.453, allocations: 12.38 MB / 0.7664 GB, free: 2.062 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005126/2.453, allocations: 268.7 kB / 0.7666 GB, free: 2.023 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002311/2.453, allocations: 201.9 kB / 0.7668 GB, free: 2.004 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.1008/2.554, allocations: 53.92 MB / 0.8195 GB, free: 9.492 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.344e-05/2.554, allocations: 34.44 kB / 0.8195 GB, free: 9.453 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=86): time 2.765e-06/2.554, allocations: 0 / 0.8195 GB, free: 9.453 MB / 0.6544 GB Notification: Performance of matching and sorting (n=86): time 0.002081/2.556, allocations: 0.9544 MB / 0.8205 GB, free: 8.684 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.35e-05/2.556, allocations: 52.5 kB / 0.8205 GB, free: 8.621 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000616/2.557, allocations: 492.8 kB / 0.821 GB, free: 8.234 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 2.791e-05/2.557, allocations: 34.58 kB / 0.821 GB, free: 8.199 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002341/2.557, allocations: 367.2 kB / 0.8214 GB, free: 7.91 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002001/2.557, allocations: 288.5 kB / 0.8216 GB, free: 7.664 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000176/2.558, allocations: 135.7 kB / 0.8218 GB, free: 7.566 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001423/2.558, allocations: 371.5 kB / 0.8221 GB, free: 7.223 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002589/2.558, allocations: 167 kB / 0.8223 GB, free: 7.133 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003964/2.558, allocations: 357 kB / 0.8226 GB, free: 6.801 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000712/2.559, allocations: 0.5895 MB / 0.8232 GB, free: 6.355 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.322e-06/2.559, allocations: 4 kB / 0.8232 GB, free: 6.352 MB / 0.6544 GB Notification: Performance of matching and sorting (n=118) (initialization): time 0.001207/2.56, allocations: 0.7499 MB / 0.8239 GB, free: 5.844 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 2.165e-05/2.56, allocations: 9.719 kB / 0.8239 GB, free: 5.836 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.977e-05/2.56, allocations: 4 kB / 0.8239 GB, free: 5.832 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001725/2.562, allocations: 345.4 kB / 0.8243 GB, free: 5.527 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001854/2.562, allocations: 62.25 kB / 0.8243 GB, free: 5.473 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001066/2.563, allocations: 1.294 MB / 0.8256 GB, free: 4.254 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000413/2.564, allocations: 82.09 kB / 0.8257 GB, free: 4.18 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.253e-05/2.564, allocations: 27.48 kB / 0.8257 GB, free: 4.156 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 25 * Number of states: 0 () * Number of discrete variables: 8 (sourceP1.C.ftype,sourceP.C.ftype,simpleStaticCondenser.fluid_c,simpleStaticCondenser.fluid_f,sinkP.fluid,sinkP1.fluid,sourceP1.fluid1,sourceP.fluid1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (42): * Single equations (assignments): 35 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(2,4), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0002793/2.564, allocations: 198.8 kB / 0.8259 GB, free: 4 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001176/2.564, allocations: 67.09 kB / 0.826 GB, free: 3.934 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001912/2.566, allocations: 1.824 MB / 0.8277 GB, free: 2.723 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.001046/2.567, allocations: 0.814 MB / 0.8285 GB, free: 1.969 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.352e-06/2.567, allocations: 4 kB / 0.8285 GB, free: 1.965 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.556e-06/2.567, allocations: 3.984 kB / 0.8285 GB, free: 1.961 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003057/2.57, allocations: 2.223 MB / 0.8307 GB, free: 15.72 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.281e-06/2.57, allocations: 0 / 0.8307 GB, free: 15.72 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000267/2.571, allocations: 92.27 kB / 0.8308 GB, free: 15.64 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007917/2.572, allocations: 242.5 kB / 0.831 GB, free: 15.4 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.277e-05/2.572, allocations: 15.98 kB / 0.831 GB, free: 15.38 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001022/2.573, allocations: 1.345 MB / 0.8324 GB, free: 13.99 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.583e-06/2.573, allocations: 0 / 0.8324 GB, free: 13.99 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001313/2.574, allocations: 0.9759 MB / 0.8333 GB, free: 13 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002676/2.574, allocations: 211.7 kB / 0.8335 GB, free: 12.77 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001035/2.574, allocations: 27.89 kB / 0.8335 GB, free: 12.74 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002565/2.575, allocations: 8 kB / 0.8335 GB, free: 12.73 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.577e-05/2.575, allocations: 40.59 kB / 0.8336 GB, free: 12.7 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.929e-05/2.575, allocations: 24 kB / 0.8336 GB, free: 12.67 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.0004437/2.575, allocations: 403 kB / 0.834 GB, free: 12.28 MB / 0.67 GB Notification: Performance of sort global known variables: time 1.31e-07/2.575, allocations: 0 / 0.834 GB, free: 12.28 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.003981/2.579, allocations: 1.491 MB / 0.8354 GB, free: 10.79 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 simulation (67): * Single equations (assignments): 61 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(2,5), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006986/2.586, allocations: 2.137 MB / 0.8375 GB, free: 8.93 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.001979/2.588, allocations: 0.9839 MB / 0.8385 GB, free: 7.926 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 3.476e-06/2.588, allocations: 0 / 0.8385 GB, free: 7.926 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.0005495/2.589, allocations: 409.1 kB / 0.8389 GB, free: 7.539 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002083/2.591, allocations: 410.5 kB / 0.8393 GB, free: 7.16 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002547/2.593, allocations: 1.637 MB / 0.8409 GB, free: 5.504 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000574/2.594, allocations: 1.042 MB / 0.8419 GB, free: 4.438 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.000435/2.594, allocations: 109.1 kB / 0.842 GB, free: 4.328 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001207/2.595, allocations: 59.42 kB / 0.8421 GB, free: 4.27 MB / 0.67 GB Notification: Performance of SimCode: time 1.012e-06/2.595, allocations: 0 / 0.8421 GB, free: 4.27 MB / 0.67 GB Notification: Performance of Templates: time 0.07414/2.669, allocations: 56.59 MB / 0.8973 GB, free: 11.91 MB / 0.7325 GB make -j1 -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser.makefile (rm -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser.pipe ; mkfifo ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser.pipe ; head -c 1048576 < ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser.pipe >> ../files/ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser.sim & ./ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser -abortSlowSimulation -alarm=480 -lv LOG_STATS > ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSimpleStaticCondenser.pipe 2>&1)