Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr AixLib_AixLib.Fluid.Interfaces.Examples.EightPortHeatMassExchanger.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) 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/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) 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 AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/package.mo) Running command: "" <> buildModelFMU(AixLib.Fluid.Interfaces.Examples.EightPortHeatMassExchanger,fileNamePrefix="AixLib_AixLib_Fluid_Interfaces_Examples_EightPortHeatMassExchanger",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(AixLib.Fluid.Interfaces.Examples.EightPortHeatMassExchanger,fileNamePrefix="AixLib_AixLib_Fluid_Interfaces_Examples_EightPortHeatMassExchanger",fmuType="me",version="2.0",platforms={"static"}) [:1:1-1:32:writable] Error: Class GC_set_max_heap_size not found in scope (looking for a function or record). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/package.mo): time 1.755/1.755, allocations: 265 MB / 272.3 MB, free: 8.809 MB / 218.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001549/0.001549, allocations: 177.2 kB / 329.7 MB, free: 360 kB / 266.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.451/1.451, allocations: 221.4 MB / 0.5941 GB, free: 14.5 MB / 458.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001245/0.001245, allocations: 96.56 kB / 0.6993 GB, free: 2.641 MB / 0.5418 GB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo): time 0.05056/0.05056, allocations: 11.89 MB / 0.816 GB, free: 65.56 MB / 0.5418 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo:9:42-9:258:writable] Notification: This is an open source dummy package of a commercial library. If you want it to be supported, you will need to add an implemention on our github repository: https://github.com/Modelica-OpenVendorSpecificLibraries. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0004458/0.0004458, allocations: 17.52 kB / 0.924 GB, free: 87 MB / 0.573 GB Notification: Performance of FrontEnd - loaded program: time 0.2597/0.2602, allocations: 117.8 MB / 1.039 GB, free: 9.152 MB / 0.5887 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3004/0.5606, allocations: 110.2 MB / 1.147 GB, free: 10.8 MB / 0.698 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.396/1.957, allocations: 408.3 MB / 1.545 GB, free: 318.6 MB / 0.9324 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002674/1.957, allocations: 92.11 kB / 1.545 GB, free: 318.6 MB / 0.9324 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 344 * Number of variables: 344 Notification: Performance of Generate backend data structure: time 2.674/4.631, allocations: 0.8122 GB / 2.358 GB, free: 129.3 MB / 0.9324 GB Notification: Performance of prepare preOptimizeDAE: time 4.214e-05/4.631, allocations: 10.78 kB / 2.358 GB, free: 129.3 MB / 0.9324 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001467/4.633, allocations: 264.2 kB / 2.358 GB, free: 129.1 MB / 0.9324 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.06033/4.693, allocations: 24.81 MB / 2.382 GB, free: 128 MB / 0.9324 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001005/4.693, allocations: 41.5 kB / 2.382 GB, free: 128 MB / 0.9324 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005382/4.694, allocations: 81.47 kB / 2.382 GB, free: 128 MB / 0.9324 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.002572/4.697, allocations: 0.8779 MB / 2.383 GB, free: 128 MB / 0.9324 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002828/4.699, allocations: 1.216 MB / 2.384 GB, free: 127.7 MB / 0.9324 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.703e-05/4.7, allocations: 2.344 kB / 2.384 GB, free: 127.7 MB / 0.9324 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000169/4.7, allocations: 2.312 kB / 2.384 GB, free: 127.7 MB / 0.9324 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.462e-05/4.7, allocations: 36.22 kB / 2.384 GB, free: 127.7 MB / 0.9324 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009755/4.71, allocations: 7.61 MB / 2.392 GB, free: 123.5 MB / 0.9324 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001078/4.711, allocations: 349.5 kB / 2.392 GB, free: 123.4 MB / 0.9324 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005664/4.711, allocations: 271.6 kB / 2.392 GB, free: 123.4 MB / 0.9324 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001018/4.712, allocations: 1.162 MB / 2.394 GB, free: 122.1 MB / 0.9324 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.111e-05/4.712, allocations: 45.97 kB / 2.394 GB, free: 122.1 MB / 0.9324 GB Notification: Performance of pre-optimization done (n=59): time 5.009e-06/4.712, allocations: 2.938 kB / 2.394 GB, free: 122.1 MB / 0.9324 GB Notification: Performance of matching and sorting (n=59): time 0.002755/4.715, allocations: 0.6206 MB / 2.394 GB, free: 121.9 MB / 0.9324 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.911e-05/4.715, allocations: 59.5 kB / 2.394 GB, free: 121.9 MB / 0.9324 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003849/4.719, allocations: 1.211 MB / 2.395 GB, free: 121.7 MB / 0.9324 GB Notification: Performance of collectPreVariables (initialization): time 0.0002305/4.719, allocations: 29.67 kB / 2.395 GB, free: 121.7 MB / 0.9324 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008112/4.72, allocations: 0.6505 MB / 2.396 GB, free: 121.3 MB / 0.9324 GB Notification: Performance of collectInitialBindings (initialization): time 0.000507/4.721, allocations: 210.9 kB / 2.396 GB, free: 121.2 MB / 0.9324 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.997e-05/4.721, allocations: 0 / 2.396 GB, free: 121.2 MB / 0.9324 GB Notification: Performance of setup shared object (initialization): time 0.0001011/4.721, allocations: 341.1 kB / 2.397 GB, free: 120.9 MB / 0.9324 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005982/4.721, allocations: 223.6 kB / 2.397 GB, free: 120.9 MB / 0.9324 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000855/4.722, allocations: 0.5787 MB / 2.397 GB, free: 120.4 MB / 0.9324 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0014/4.724, allocations: 364.1 kB / 2.398 GB, free: 120.4 MB / 0.9324 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.967e-06/4.724, allocations: 6.375 kB / 2.398 GB, free: 120.4 MB / 0.9324 GB Notification: Performance of matching and sorting (n=111) (initialization): time 0.002903/4.727, allocations: 0.8966 MB / 2.399 GB, free: 120.3 MB / 0.9324 GB Notification: Performance of prepare postOptimizeDAE: time 2.477e-05/4.727, allocations: 5.969 kB / 2.399 GB, free: 120.3 MB / 0.9324 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.194e-05/4.727, allocations: 11.5 kB / 2.399 GB, free: 120.3 MB / 0.9324 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.089e-05/4.727, allocations: 14.44 kB / 2.399 GB, free: 120.3 MB / 0.9324 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001152/4.728, allocations: 233.6 kB / 2.399 GB, free: 120.3 MB / 0.9324 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.188e-05/4.728, allocations: 27.41 kB / 2.399 GB, free: 120.3 MB / 0.9324 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002388/4.73, allocations: 167.4 kB / 2.399 GB, free: 120.2 MB / 0.9324 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001153/4.731, allocations: 48.92 kB / 2.399 GB, free: 120.2 MB / 0.9324 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 45 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (111): * Single equations (assignments): 111 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002632/4.731, allocations: 140.7 kB / 2.399 GB, free: 120.1 MB / 0.9324 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004068/4.731, allocations: 170.5 kB / 2.399 GB, free: 120 MB / 0.9324 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002366/4.734, allocations: 0.7564 MB / 2.4 GB, free: 120 MB / 0.9324 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.883e-05/4.734, allocations: 7.125 kB / 2.4 GB, free: 120 MB / 0.9324 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.052e-05/4.734, allocations: 3.906 kB / 2.4 GB, free: 120 MB / 0.9324 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001345/4.735, allocations: 0.7009 MB / 2.401 GB, free: 119.7 MB / 0.9324 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005737/4.741, allocations: 2.171 MB / 2.403 GB, free: 119.3 MB / 0.9324 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.738e-06/4.741, allocations: 2.844 kB / 2.403 GB, free: 119.3 MB / 0.9324 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001068/4.742, allocations: 188.3 kB / 2.403 GB, free: 119.3 MB / 0.9324 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.408e-05/4.742, allocations: 5.906 kB / 2.403 GB, free: 119.3 MB / 0.9324 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.731e-05/4.742, allocations: 11 kB / 2.403 GB, free: 119.3 MB / 0.9324 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.192e-05/4.742, allocations: 8.391 kB / 2.403 GB, free: 119.3 MB / 0.9324 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.634e-06/4.742, allocations: 5.688 kB / 2.403 GB, free: 119.3 MB / 0.9324 GB Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.002807/4.745, allocations: 1.322 MB / 2.404 GB, free: 118.9 MB / 0.9324 GB Notification: Performance of postOpt generateSymbolicLinearization (simulation): time 0.00359/4.748, allocations: 2.13 MB / 2.407 GB, free: 118 MB / 0.9324 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001513/4.75, allocations: 371.5 kB / 2.407 GB, free: 117.8 MB / 0.9324 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003953/4.75, allocations: 3.906 kB / 2.407 GB, free: 117.8 MB / 0.9324 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001786/4.752, allocations: 121.9 kB / 2.407 GB, free: 117.8 MB / 0.9324 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001541/4.752, allocations: 46.05 kB / 2.407 GB, free: 117.8 MB / 0.9324 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001094/4.753, allocations: 40.16 kB / 2.407 GB, free: 117.8 MB / 0.9324 GB Notification: Performance of sort global known variables: time 0.002001/4.755, allocations: 0.8994 MB / 2.408 GB, free: 117.7 MB / 0.9324 GB Notification: Performance of remove unused functions: time 0.004871/4.759, allocations: 0.8604 MB / 2.409 GB, free: 117.6 MB / 0.9324 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * Number of states: 4 (eigPor.vol1.dynBal.U,eigPor.vol2.dynBal.U,eigPor.vol3.dynBal.U,eigPor.vol4.dynBal.U) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (64): * Single equations (assignments): 59 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002122/4.762, allocations: 0.963 MB / 2.41 GB, free: 117.4 MB / 0.9324 GB Notification: Performance of simCode: created initialization part: time 0.001295/4.763, allocations: 0.6266 MB / 2.41 GB, free: 117.3 MB / 0.9324 GB Notification: Performance of simCode: created event and clocks part: time 5.01e-06/4.763, allocations: 0 / 2.41 GB, free: 117.3 MB / 0.9324 GB Notification: Performance of simCode: created simulation system equations: time 0.0004221/4.763, allocations: 305.4 kB / 2.411 GB, free: 117.3 MB / 0.9324 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005097/4.768, allocations: 0.9274 MB / 2.412 GB, free: 117.3 MB / 0.9324 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005722/4.774, allocations: 2.339 MB / 2.414 GB, free: 116.6 MB / 0.9324 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001907/4.776, allocations: 1.593 MB / 2.415 GB, free: 115.9 MB / 0.9324 GB Notification: Performance of SimCode: time 9.62e-07/4.776, allocations: 0 / 2.415 GB, free: 115.9 MB / 0.9324 GB (rm -f AixLib_AixLib.Fluid.Interfaces.Examples.EightPortHeatMassExchanger.pipe ; mkfifo AixLib_AixLib.Fluid.Interfaces.Examples.EightPortHeatMassExchanger.pipe ; head -c 1048576 < AixLib_AixLib.Fluid.Interfaces.Examples.EightPortHeatMassExchanger.pipe >> ../files/AixLib_AixLib.Fluid.Interfaces.Examples.EightPortHeatMassExchanger.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_AixLib_AixLib_Fluid_Interfaces_Examples_EightPortHeatMassExchanger_fmu --startTime=0 --stopTime=5 --timeout=50 --tolerance=1e-06 AixLib_AixLib_Fluid_Interfaces_Examples_EightPortHeatMassExchanger.fmu > AixLib_AixLib.Fluid.Interfaces.Examples.EightPortHeatMassExchanger.pipe 2>&1)