Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator.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: translateModel(AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator,tolerance=1e-06,outputFormat="empty",numberOfIntervals=288,variableFilter="",fileNamePrefix="AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator") translateModel(AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator,tolerance=1e-06,outputFormat="empty",numberOfIntervals=288,variableFilter="",fileNamePrefix="AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator") [/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/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-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/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/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_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/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/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/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/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-development/package.mo): time 1.647/1.647, allocations: 267.3 MB / 282.2 MB, free: 5.297 MB / 234.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001303/0.001303, allocations: 178.8 kB / 339.9 MB, free: 2.605 MB / 266.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.284/1.284, allocations: 223.2 MB / 0.6061 GB, free: 1.918 MB / 474.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001023/0.001023, allocations: 98.67 kB / 0.7116 GB, free: 6.414 MB / 490.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo): time 0.3485/0.3485, allocations: 12.02 MB / 0.8287 GB, free: 67.83 MB / 0.5887 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 0.0003428/0.0003427, allocations: 11.97 kB / 0.937 GB, free: 14.3 MB / 0.5887 GB Notification: AixLib requested package SDF of version 0.4.2. SDF 0.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0006707/0.0006706, allocations: 25.41 kB / 1.057 GB, free: 2.883 MB / 0.698 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5556/0.5563, allocations: 110.2 MB / 1.165 GB, free: 160.2 MB / 0.7449 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.7904/1.347, allocations: 407 MB / 1.563 GB, free: 77.27 MB / 0.823 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002534/1.347, allocations: 106.9 kB / 1.563 GB, free: 77.21 MB / 0.823 GB Notification: Performance of FrontEnd - DAE generated: time 7.055/8.402, allocations: 2.046 GB / 3.609 GB, free: 162.8 MB / 0.9637 GB Notification: Performance of FrontEnd: time 2.896e-06/8.403, allocations: 0 / 3.609 GB, free: 162.8 MB / 0.9637 GB Notification: Performance of Transformations before backend: time 0.002399/8.405, allocations: 230.4 kB / 3.609 GB, free: 162.8 MB / 0.9637 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1575 * Number of variables: 1575 Notification: Performance of Generate backend data structure: time 0.03678/8.442, allocations: 10.02 MB / 3.619 GB, free: 159.4 MB / 0.9637 GB Notification: Performance of prepare preOptimizeDAE: time 4.236e-05/8.442, allocations: 7.906 kB / 3.619 GB, free: 159.4 MB / 0.9637 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007047/8.449, allocations: 1.104 MB / 3.62 GB, free: 158.9 MB / 0.9637 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02977/8.479, allocations: 12.31 MB / 3.632 GB, free: 157.7 MB / 0.9637 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000421/8.479, allocations: 477.7 kB / 3.633 GB, free: 157.7 MB / 0.9637 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002022/8.481, allocations: 0.6199 MB / 3.633 GB, free: 157.7 MB / 0.9637 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0176/8.499, allocations: 8.833 MB / 3.642 GB, free: 156.9 MB / 0.9637 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001985/8.499, allocations: 27.47 kB / 3.642 GB, free: 156.9 MB / 0.9637 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000935/8.5, allocations: 265.7 kB / 3.642 GB, free: 156.9 MB / 0.9637 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001519/8.5, allocations: 188.5 kB / 3.642 GB, free: 156.9 MB / 0.9637 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01549/8.516, allocations: 7.418 MB / 3.65 GB, free: 156.8 MB / 0.9637 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 0.0697/8.585, allocations: 41.25 MB / 3.69 GB, free: 139.8 MB / 0.9637 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01104/8.596, allocations: 6.281 MB / 3.696 GB, free: 139.7 MB / 0.9637 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000954/8.597, allocations: 0.9116 MB / 3.697 GB, free: 138.7 MB / 0.9637 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.053e-05/8.597, allocations: 86.98 kB / 3.697 GB, free: 138.7 MB / 0.9637 GB Notification: Performance of pre-optimization done (n=373): time 5.761e-06/8.597, allocations: 0.7812 kB / 3.697 GB, free: 138.7 MB / 0.9637 GB Notification: Performance of matching and sorting (n=373): time 0.03417/8.632, allocations: 11.96 MB / 3.709 GB, free: 136.5 MB / 0.9637 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.054e-05/8.632, allocations: 90.69 kB / 3.709 GB, free: 136.4 MB / 0.9637 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01702/8.649, allocations: 8.379 MB / 3.717 GB, free: 136 MB / 0.9637 GB Notification: Performance of collectPreVariables (initialization): time 0.001384/8.65, allocations: 103.1 kB / 3.717 GB, free: 135.9 MB / 0.9637 GB Notification: Performance of collectInitialEqns (initialization): time 0.003824/8.654, allocations: 4.004 MB / 3.721 GB, free: 134.8 MB / 0.9637 GB Notification: Performance of collectInitialBindings (initialization): time 0.002043/8.656, allocations: 1.3 MB / 3.722 GB, free: 133.9 MB / 0.9637 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002933/8.656, allocations: 82.88 kB / 3.722 GB, free: 133.9 MB / 0.9637 GB Notification: Performance of setup shared object (initialization): time 0.0002421/8.657, allocations: 483.4 kB / 3.723 GB, free: 133.6 MB / 0.9637 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00297/8.66, allocations: 2.112 MB / 3.725 GB, free: 133.6 MB / 0.9637 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003379/8.663, allocations: 3.172 MB / 3.728 GB, free: 132.5 MB / 0.9637 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003809/8.667, allocations: 2.928 MB / 3.731 GB, free: 132.3 MB / 0.9637 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.608e-05/8.667, allocations: 7.469 kB / 3.731 GB, free: 132.3 MB / 0.9637 GB Notification: Performance of matching and sorting (n=536) (initialization): time 0.01811/8.685, allocations: 8.23 MB / 3.739 GB, free: 131.6 MB / 0.9637 GB Notification: Performance of prepare postOptimizeDAE: time 0.002348/8.687, allocations: 13.22 MB / 3.752 GB, free: 117.8 MB / 0.9637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.263e-05/8.687, allocations: 24.16 kB / 3.752 GB, free: 117.8 MB / 0.9637 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.007899/8.695, allocations: 2.014 MB / 3.754 GB, free: 117.5 MB / 0.9637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004017/8.699, allocations: 0.9113 MB / 3.755 GB, free: 117.4 MB / 0.9637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03854/8.738, allocations: 36.71 MB / 3.79 GB, free: 90.11 MB / 0.9637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009173/8.747, allocations: 0.8465 MB / 3.791 GB, free: 89.8 MB / 0.9637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0012/8.748, allocations: 181.2 kB / 3.791 GB, free: 89.77 MB / 0.9637 GB Notification: Performance of prepare postOptimizeDAE: time 1.475e-05/8.748, allocations: 3.938 kB / 3.791 GB, free: 89.77 MB / 0.9637 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01627/8.765, allocations: 7.552 MB / 3.799 GB, free: 87.2 MB / 0.9637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.171e-05/8.765, allocations: 29.19 kB / 3.799 GB, free: 87.2 MB / 0.9637 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.007448/8.772, allocations: 2.021 MB / 3.801 GB, free: 86.65 MB / 0.9637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003794/8.776, allocations: 0.905 MB / 3.802 GB, free: 86.61 MB / 0.9637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03823/8.814, allocations: 36.73 MB / 3.838 GB, free: 59.11 MB / 0.9637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01014/8.825, allocations: 0.7948 MB / 3.838 GB, free: 58.79 MB / 0.9637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001275/8.826, allocations: 174.5 kB / 3.838 GB, free: 58.76 MB / 0.9637 GB Warning: Assuming fixed start value for the following 32 variables: radiator.multiLayer_HE[16].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[16].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[16].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[16].Volume.dynBal.p_start, radiator.multiLayer_HE[16].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[16].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[16].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[16].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[15].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[15].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[15].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[15].Volume.dynBal.p_start, radiator.multiLayer_HE[15].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[15].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[15].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[15].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[14].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[14].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[14].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[14].Volume.dynBal.p_start, radiator.multiLayer_HE[14].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[14].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[14].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[14].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[13].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[13].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[13].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[13].Volume.dynBal.p_start, radiator.multiLayer_HE[13].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[13].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[13].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[13].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[12].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[12].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[12].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[12].Volume.dynBal.p_start, radiator.multiLayer_HE[12].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[12].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[12].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[12].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[11].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[11].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[11].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[11].Volume.dynBal.p_start, radiator.multiLayer_HE[11].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[11].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[11].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[11].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[10].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[10].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[10].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[10].Volume.dynBal.p_start, radiator.multiLayer_HE[10].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[10].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[10].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[10].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[9].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[9].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[9].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[9].Volume.dynBal.p_start, radiator.multiLayer_HE[9].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[9].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[9].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[9].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[8].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[8].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[8].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[8].Volume.dynBal.p_start, radiator.multiLayer_HE[8].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[8].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[8].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[8].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[7].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[7].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[7].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[7].Volume.dynBal.p_start, radiator.multiLayer_HE[7].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[7].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[7].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[7].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[6].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[6].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[6].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[6].Volume.dynBal.p_start, radiator.multiLayer_HE[6].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[6].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[6].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[6].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[5].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[5].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[5].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[5].Volume.dynBal.p_start, radiator.multiLayer_HE[5].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[5].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[5].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[5].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[4].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[4].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[4].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[4].Volume.dynBal.p_start, radiator.multiLayer_HE[4].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[4].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[4].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[4].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[3].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[3].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[3].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[3].Volume.dynBal.p_start, radiator.multiLayer_HE[3].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[3].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[3].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[3].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[2].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[2].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[2].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[2].Volume.dynBal.p_start, radiator.multiLayer_HE[2].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[2].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[2].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[2].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] radiator.multiLayer_HE[1].Volume.dynBal.U:VARIABLE(start = radiator.multiLayer_HE[1].Volume.dynBal.fluidVolume * radiator.multiLayer_HE[1].Volume.dynBal.rho_start * AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.specificInternalEnergy(AixLib.Fluid.Interfaces.ConservationEquation$radiator$multiLayer_HE$Volume$dynBal.Medium.setState_pTX(radiator.multiLayer_HE[1].Volume.dynBal.p_start, radiator.multiLayer_HE[1].Volume.dynBal.T_start, {})) + (-273.15 + radiator.multiLayer_HE[1].Volume.dynBal.T_start) * 0.0 unit = "J" fixed = true nominal = 100000.0 protected = true ) "Internal energy of fluid" type: Real [16] radiator.multiLayer_HE[1].radiator_wall.heatCapacitor.T:VARIABLE(min = max(0.0, max(0.0, max(0.0, 0.0))) start = radiator.multiLayer_HE[1].radiator_wall.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always protected = true ) "Temperature of element" type: Real [16] Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 113 * 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 (440): * Single equations (assignments): 424 * 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: 16 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 16 {1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6,1 6} Notification: Performance of prepare postOptimizeDAE: time 0.009109/8.835, allocations: 4.377 MB / 3.843 GB, free: 57.01 MB / 0.9637 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00291/8.838, allocations: 0.7246 MB / 3.843 GB, free: 56.62 MB / 0.9637 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01627/8.854, allocations: 7.433 MB / 3.851 GB, free: 53.77 MB / 0.9637 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.681e-05/8.854, allocations: 39.72 kB / 3.851 GB, free: 53.77 MB / 0.9637 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.363e-05/8.854, allocations: 3.625 kB / 3.851 GB, free: 53.77 MB / 0.9637 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01255/8.867, allocations: 6.365 MB / 3.857 GB, free: 51.2 MB / 0.9637 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04086/8.908, allocations: 17.64 MB / 3.874 GB, free: 43.68 MB / 0.9637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.123e-05/8.908, allocations: 15.67 kB / 3.874 GB, free: 43.68 MB / 0.9637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003114/8.911, allocations: 0.6828 MB / 3.875 GB, free: 43.62 MB / 0.9637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005932/8.917, allocations: 1.893 MB / 3.877 GB, free: 43.06 MB / 0.9637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000879/8.918, allocations: 126.3 kB / 3.877 GB, free: 43 MB / 0.9637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03215/8.95, allocations: 34.31 MB / 3.91 GB, free: 10.2 MB / 0.9637 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.444e-06/8.95, allocations: 11.94 kB / 3.91 GB, free: 10.19 MB / 0.9637 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02753/8.978, allocations: 13.14 MB / 3.923 GB, free: 15.88 MB / 0.9793 GB Notification: Performance of postOpt removeConstants (simulation): time 0.008793/8.986, allocations: 1.933 MB / 3.925 GB, free: 14.16 MB / 0.9793 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003448/8.99, allocations: 106.7 kB / 3.925 GB, free: 14.06 MB / 0.9793 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.008202/8.998, allocations: 0.5443 MB / 3.926 GB, free: 13.66 MB / 0.9793 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001317/8.999, allocations: 332.1 kB / 3.926 GB, free: 13.45 MB / 0.9793 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0006751/9, allocations: 178.3 kB / 3.926 GB, free: 13.3 MB / 0.9793 GB Notification: Performance of sorting global known variables: time 0.01598/9.016, allocations: 6.924 MB / 3.933 GB, free: 7.648 MB / 0.9793 GB Notification: Performance of sort global known variables: time 2.605e-06/9.016, allocations: 0 / 3.933 GB, free: 7.648 MB / 0.9793 GB Notification: Performance of remove unused functions: time 0.02339/9.04, allocations: 4.472 MB / 3.937 GB, free: 3.176 MB / 0.9793 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 42 * Number of states: 34 (radiator.FlowTemperature.T,radiator.ReturnTemperature.T,radiator.multiLayer_HE[1].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[1].Volume.dynBal.U,radiator.multiLayer_HE[2].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[2].Volume.dynBal.U,radiator.multiLayer_HE[3].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[3].Volume.dynBal.U,radiator.multiLayer_HE[4].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[4].Volume.dynBal.U,radiator.multiLayer_HE[5].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[5].Volume.dynBal.U,radiator.multiLayer_HE[6].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[6].Volume.dynBal.U,radiator.multiLayer_HE[7].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[7].Volume.dynBal.U,radiator.multiLayer_HE[8].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[8].Volume.dynBal.U,radiator.multiLayer_HE[9].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[9].Volume.dynBal.U,radiator.multiLayer_HE[10].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[10].Volume.dynBal.U,radiator.multiLayer_HE[11].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[11].Volume.dynBal.U,radiator.multiLayer_HE[12].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[12].Volume.dynBal.U,radiator.multiLayer_HE[13].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[13].Volume.dynBal.U,radiator.multiLayer_HE[14].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[14].Volume.dynBal.U,radiator.multiLayer_HE[15].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[15].Volume.dynBal.U,radiator.multiLayer_HE[16].radiator_wall.heatCapacitor.T,radiator.multiLayer_HE[16].Volume.dynBal.U) * 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 (283): * Single equations (assignments): 261 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 16 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 16 {1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7,1 7} Notification: Performance of Backend phase and start with SimCode phase: time 0.002494/9.042, allocations: 0.6849 MB / 3.938 GB, free: 2.621 MB / 0.9793 GB Notification: Performance of simCode: created initialization part: time 0.4677/9.51, allocations: 13.88 MB / 3.952 GB, free: 154.8 MB / 0.9793 GB Notification: Performance of simCode: created event and clocks part: time 1.825e-05/9.51, allocations: 4.969 kB / 3.952 GB, free: 154.8 MB / 0.9793 GB Notification: Performance of simCode: created simulation system equations: time 0.007059/9.517, allocations: 5 MB / 3.956 GB, free: 153 MB / 0.9793 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02204/9.539, allocations: 4.547 MB / 3.961 GB, free: 152.9 MB / 0.9793 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03804/9.577, allocations: 23.15 MB / 3.983 GB, free: 145.4 MB / 0.9793 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007301/9.584, allocations: 6.61 MB / 3.99 GB, free: 144.5 MB / 0.9793 GB Notification: Performance of simCode: alias equations: time 0.013/9.597, allocations: 3.571 MB / 3.993 GB, free: 144.2 MB / 0.9793 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002627/9.6, allocations: 0.5383 MB / 3.994 GB, free: 144.2 MB / 0.9793 GB Notification: Performance of SimCode: time 1.112e-06/9.6, allocations: 0 / 3.994 GB, free: 144.2 MB / 0.9793 GB Notification: Performance of Templates: time 0.2757/9.876, allocations: 196.4 MB / 4.186 GB, free: 78.12 MB / 0.9793 GB make -j1 -f AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator.makefile (rm -f AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator.pipe ; mkfifo AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator.pipe ; head -c 1048576 < AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator.pipe >> ../files/AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator.sim & ./AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator -abortSlowSimulation -alarm=480 -lv LOG_STATS > AixLib_latest_AixLib.Fluid.HeatExchangers.Radiators.Examples.Radiator.pipe 2>&1)