Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr AixLib_latest_AixLib.Fluid.Examples.FlowSystem.Simplified1.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.Examples.FlowSystem.Simplified1,fileNamePrefix="AixLib_latest_AixLib_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(AixLib.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="AixLib_latest_AixLib_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) [/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 1.762/1.762, allocations: 264.9 MB / 277.5 MB, free: 4.223 MB / 218.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001124/0.001124, allocations: 176.9 kB / 335 MB, free: 11.37 MB / 282.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.291/1.291, allocations: 221.3 MB / 0.5993 GB, free: 10.13 MB / 458.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008697/0.0008698, allocations: 94.14 kB / 0.7046 GB, free: 51.25 MB / 0.5418 GB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo): time 0.05186/0.05186, allocations: 11.88 MB / 0.8215 GB, free: 464 kB / 0.573 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 0.0003651/0.0003651, allocations: 15.97 kB / 0.9296 GB, free: 1.602 MB / 0.6824 GB Warning: Requested package SDF of version 0.4.2, but this package was already loaded with version 0.0.0. You might experience problems if these versions are incompatible. Notification: Performance of FrontEnd - loaded program: time 5.317e-05/5.319e-05, allocations: 7.984 kB / 1.047 GB, free: 251 MB / 0.7293 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.211/0.2111, allocations: 110.2 MB / 1.155 GB, free: 141 MB / 0.7293 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9416/1.153, allocations: 442.5 MB / 1.587 GB, free: 14.05 MB / 0.9012 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000214/1.153, allocations: 89.83 kB / 1.587 GB, free: 14 MB / 0.9012 GB Notification: Performance of FrontEnd - DAE generated: time 34.41/35.56, allocations: 8.754 GB / 10.34 GB, free: 71.68 MB / 1.198 GB Notification: Performance of FrontEnd: time 2.114e-06/35.56, allocations: 0 / 10.34 GB, free: 71.68 MB / 1.198 GB Notification: Performance of Transformations before backend: time 0.004477/35.57, allocations: 433.7 kB / 10.34 GB, free: 71.59 MB / 1.198 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2029 * Number of variables: 2029 Notification: Performance of Generate backend data structure: time 0.05953/35.63, allocations: 13.51 MB / 10.35 GB, free: 65.63 MB / 1.198 GB Notification: Performance of prepare preOptimizeDAE: time 5.722e-05/35.63, allocations: 9.562 kB / 10.35 GB, free: 65.63 MB / 1.198 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.006722/35.64, allocations: 1.03 MB / 10.36 GB, free: 65.55 MB / 1.198 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01658/35.65, allocations: 2.196 MB / 10.36 GB, free: 64.57 MB / 1.198 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.07677/35.73, allocations: 21.55 MB / 10.38 GB, free: 61.81 MB / 1.198 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001207/35.73, allocations: 0.679 MB / 10.38 GB, free: 61.8 MB / 1.198 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.006086/35.74, allocations: 0.9583 MB / 10.38 GB, free: 61.78 MB / 1.198 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04651/35.78, allocations: 15.55 MB / 10.4 GB, free: 60.95 MB / 1.198 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0007525/35.78, allocations: 15.34 kB / 10.4 GB, free: 60.94 MB / 1.198 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005161/35.79, allocations: 328.2 kB / 10.4 GB, free: 60.94 MB / 1.198 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004751/35.79, allocations: 371.8 kB / 10.4 GB, free: 60.91 MB / 1.198 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03985/35.83, allocations: 19.65 MB / 10.42 GB, free: 60.8 MB / 1.198 GB Warning: The model contains alias variables with conflicting start and/or 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 0.1585/35.99, allocations: 79.5 MB / 10.49 GB, free: 3.043 MB / 1.198 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02379/36.01, allocations: 12.08 MB / 10.5 GB, free: 8.668 MB / 1.214 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01588/36.03, allocations: 9.157 MB / 10.51 GB, free: 416 kB / 1.214 GB Warning: The model contains alias variables with conflicting start and/or 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 evalFunc (simulation): time 1.152/37.18, allocations: 33.89 MB / 10.55 GB, free: 93.78 MB / 1.214 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01858/37.2, allocations: 9.295 MB / 10.56 GB, free: 93.6 MB / 1.214 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.04779/37.25, allocations: 15.09 MB / 10.57 GB, free: 93.6 MB / 1.214 GB Notification: Performance of pre-optimization done (n=614): time 5.751e-05/37.25, allocations: 7.344 kB / 10.57 GB, free: 93.6 MB / 1.214 GB Notification: Performance of matching and sorting (n=908): time 2.434/39.68, allocations: 408 MB / 10.97 GB, free: 149.6 MB / 1.276 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.1016/39.78, allocations: 44.91 MB / 11.01 GB, free: 140.9 MB / 1.276 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02826/39.81, allocations: 14.21 MB / 11.03 GB, free: 140.1 MB / 1.276 GB Notification: Performance of collectPreVariables (initialization): time 0.004621/39.82, allocations: 241 kB / 11.03 GB, free: 140.1 MB / 1.276 GB Notification: Performance of collectInitialEqns (initialization): time 0.007631/39.82, allocations: 7.233 MB / 11.03 GB, free: 139.8 MB / 1.276 GB Notification: Performance of collectInitialBindings (initialization): time 0.01249/39.84, allocations: 3.26 MB / 11.04 GB, free: 138.6 MB / 1.276 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.006334/39.84, allocations: 214.2 kB / 11.04 GB, free: 138.6 MB / 1.276 GB Notification: Performance of setup shared object (initialization): time 0.001018/39.84, allocations: 0.7452 MB / 11.04 GB, free: 138.2 MB / 1.276 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03511/39.88, allocations: 22.05 MB / 11.06 GB, free: 138.2 MB / 1.276 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04112/39.92, allocations: 25.05 MB / 11.08 GB, free: 135 MB / 1.276 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.03678/39.96, allocations: 23.43 MB / 11.11 GB, free: 134.8 MB / 1.276 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001606/39.96, allocations: 14.22 kB / 11.11 GB, free: 134.8 MB / 1.276 GB Notification: Performance of matching and sorting (n=1424) (initialization): time 0.6195/40.58, allocations: 154 MB / 11.26 GB, free: 132.9 MB / 1.276 GB Notification: Performance of prepare postOptimizeDAE: time 0.006839/40.58, allocations: 35.43 MB / 11.29 GB, free: 95.71 MB / 1.276 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002433/40.58, allocations: 54.47 kB / 11.29 GB, free: 95.71 MB / 1.276 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5964/41.18, allocations: 147.8 MB / 11.44 GB, free: 10.11 MB / 1.276 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02285/41.2, allocations: 3.848 MB / 11.44 GB, free: 6.449 MB / 1.276 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.218/42.42, allocations: 73.59 MB / 11.51 GB, free: 138.6 MB / 1.276 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2002/42.62, allocations: 11.13 MB / 11.52 GB, free: 138.6 MB / 1.276 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007931/42.63, allocations: 1.675 MB / 11.52 GB, free: 138.6 MB / 1.276 GB Notification: Performance of prepare postOptimizeDAE: time 1.413e-05/42.63, allocations: 3.5 kB / 11.52 GB, free: 138.6 MB / 1.276 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.6078/43.24, allocations: 152.8 MB / 11.67 GB, free: 136.1 MB / 1.276 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002876/43.24, allocations: 50.69 kB / 11.67 GB, free: 136.1 MB / 1.276 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5934/43.83, allocations: 147.5 MB / 11.82 GB, free: 81.61 MB / 1.276 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02004/43.85, allocations: 3.822 MB / 11.82 GB, free: 77.96 MB / 1.276 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1422/43.99, allocations: 77.33 MB / 11.9 GB, free: 20.87 MB / 1.276 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2007/44.19, allocations: 11.1 MB / 11.91 GB, free: 9.992 MB / 1.276 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007793/44.2, allocations: 1.625 MB / 11.91 GB, free: 8.445 MB / 1.276 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 231 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,$whenCondition2,booleanToInteger.u,booleanToInteger.y,$PRE.stepPump.pulseStart,stepPump.pulseStart,$PRE.stepValve.T_start,stepValve.T_start,$PRE.stepValve.count,stepValve.count) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1064): * Single equations (assignments): 1046 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 8 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 8 {1,1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(28,89.3%) 28} * Non-linear torn systems: 2 {39 65,39 65} Notification: Performance of prepare postOptimizeDAE: time 0.009727/44.21, allocations: 0.6838 MB / 11.91 GB, free: 8.203 MB / 1.276 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008942/44.22, allocations: 1.492 MB / 11.91 GB, free: 7.512 MB / 1.276 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 1.315/45.53, allocations: 66.09 MB / 11.98 GB, free: 133.5 MB / 1.276 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2347/45.77, allocations: 80.27 MB / 12.05 GB, free: 133 MB / 1.276 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.5e-05/45.77, allocations: 30.38 kB / 12.05 GB, free: 133 MB / 1.276 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2156/45.98, allocations: 79.15 MB / 12.13 GB, free: 132.2 MB / 1.276 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3478/46.33, allocations: 204.1 MB / 12.33 GB, free: 65.34 MB / 1.276 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001101/46.33, allocations: 0.5625 kB / 12.33 GB, free: 65.34 MB / 1.276 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01307/46.35, allocations: 2.272 MB / 12.33 GB, free: 63.15 MB / 1.276 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.597/47.94, allocations: 144.7 MB / 12.47 GB, free: 115.8 MB / 1.276 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.005133/47.95, allocations: 0.8157 MB / 12.48 GB, free: 115.8 MB / 1.276 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.2103/48.16, allocations: 112.6 MB / 12.59 GB, free: 99.07 MB / 1.276 GB Warning: The linear system: 1 : valSouth2[2].dp = valSouth2[7].port_a.p - tabsSouth1[1].port_a.p 2 : valSouth2[1].dp = valSouth2[7].port_a.p - tabsSouth1[1].port_a.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth2[7].port_a.p ; tabsSouth1[1].port_a.p ] = [ -valSouth2[2].dp ; -valSouth2[1].dp ] might be structurally or numerically singular for variable tabsSouth1[1].port_a.p since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valSouth1[4].m_flow + valSouth1[3].m_flow + valSouth1[2].m_flow + valSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : valSouth.res3.m_flow + valNorth.res3.m_flow + spl1.res1.m_flow + (-valSouth1[3].m_flow) - $cse363 - valSouth1[4].m_flow - valSouth1[2].m_flow - valSouth1[1].m_flow - valSouth2[8].m_flow - valSouth2[7].m_flow - valSouth2[6].m_flow - valSouth2[5].m_flow - valSouth2[4].m_flow - valSouth2[3].m_flow - valSouth2[2].m_flow - valSouth2[1].m_flow - valNorth1[4].m_flow - valNorth1[3].m_flow - valNorth1[2].m_flow - valNorth1[1].m_flow - valNorth2[8].m_flow - valNorth2[7].m_flow - valNorth2[6].m_flow - valNorth2[5].m_flow - valNorth2[4].m_flow - valNorth2[3].m_flow - valNorth2[2].m_flow - valNorth2[1].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ valSouth1[1].m_flow ; valSouth1[2].m_flow ] = [ pipSouth1.m_flow + (-valSouth1[3].m_flow) - valSouth1[4].m_flow ; valSouth1[3].m_flow + valNorth2[2].m_flow + valNorth2[1].m_flow + valNorth2[3].m_flow + valNorth2[4].m_flow + valNorth2[5].m_flow + valNorth2[6].m_flow + valNorth2[7].m_flow + valNorth2[8].m_flow + valNorth1[1].m_flow + valNorth1[2].m_flow + valNorth1[3].m_flow + valNorth1[4].m_flow + valSouth2[1].m_flow + valSouth2[2].m_flow + valSouth2[3].m_flow + valSouth2[4].m_flow + valSouth2[5].m_flow + valSouth2[6].m_flow + valSouth2[7].m_flow + valSouth2[8].m_flow + valSouth1[4].m_flow + $cse363 + (-valNorth.res3.m_flow) - valSouth.res3.m_flow - spl1.res1.m_flow ] might be structurally or numerically singular for variable valSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valSouth2[2].dp = valSouth2[7].port_a.p - tabsSouth1[1].port_a.p 2 : valSouth2[1].dp = valSouth2[7].port_a.p - tabsSouth1[1].port_a.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth2[7].port_a.p ; tabsSouth1[1].port_a.p ] = [ -valSouth2[2].dp ; -valSouth2[1].dp ] might be structurally or numerically singular for variable tabsSouth1[1].port_a.p since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valSouth.res3.m_flow + valNorth.res3.m_flow + spl1.res1.m_flow + (-valSouth1[3].m_flow) - $cse363 - valSouth1[4].m_flow - valSouth1[2].m_flow - valSouth1[1].m_flow - valSouth2[8].m_flow - valSouth2[7].m_flow - valSouth2[6].m_flow - valSouth2[5].m_flow - valSouth2[4].m_flow - valSouth2[3].m_flow - valSouth2[2].m_flow - valSouth2[1].m_flow - valNorth1[4].m_flow - valNorth1[3].m_flow - valNorth1[2].m_flow - valNorth1[1].m_flow - valNorth2[8].m_flow - valNorth2[7].m_flow - valNorth2[6].m_flow - valNorth2[5].m_flow - valNorth2[4].m_flow - valNorth2[3].m_flow - valNorth2[2].m_flow - valNorth2[1].m_flow = 0.0 2 : valSouth1[4].m_flow + valSouth1[3].m_flow + valSouth1[2].m_flow + valSouth1[1].m_flow - pipSouth1.m_flow = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ valSouth1[1].m_flow ; valSouth1[2].m_flow ] = [ valSouth1[3].m_flow + valNorth2[2].m_flow + valNorth2[1].m_flow + valNorth2[3].m_flow + valNorth2[4].m_flow + valNorth2[5].m_flow + valNorth2[6].m_flow + valNorth2[7].m_flow + valNorth2[8].m_flow + valNorth1[1].m_flow + valNorth1[2].m_flow + valNorth1[3].m_flow + valNorth1[4].m_flow + valSouth2[1].m_flow + valSouth2[2].m_flow + valSouth2[3].m_flow + valSouth2[4].m_flow + valSouth2[5].m_flow + valSouth2[6].m_flow + valSouth2[7].m_flow + valSouth2[8].m_flow + valSouth1[4].m_flow + $cse363 + (-valNorth.res3.m_flow) - valSouth.res3.m_flow - spl1.res1.m_flow ; pipSouth1.m_flow + (-valSouth1[3].m_flow) - valSouth1[4].m_flow ] might be structurally or numerically singular for variable valSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2135:10-2135:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2052:9-2052:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($STATESET1.x[32],$STATESET1.x[31],$STATESET1.x[30],$STATESET1.x[29],$STATESET1.x[28],$STATESET1.x[27],$STATESET1.x[26],$STATESET1.x[25],$STATESET1.x[24],$STATESET1.x[23],$STATESET1.x[22],$STATESET1.x[21],$STATESET1.x[20],$STATESET1.x[19],$STATESET1.x[18],$STATESET1.x[17],$STATESET1.x[16],$STATESET1.x[15],$STATESET1.x[14],$STATESET1.x[13],$STATESET1.x[12],$STATESET1.x[11],$STATESET1.x[10],$STATESET1.x[9],$STATESET1.x[8],$STATESET1.x[7],$STATESET1.x[6],$STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpSouth.filter.s[1],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],valSouth1[1].filter.s[1],valSouth1[2].filter.s[1],valSouth1[3].filter.s[1],valSouth1[4].filter.s[1],valSouth2[1].filter.s[1],valSouth2[2].filter.s[1],valSouth2[3].filter.s[1],valSouth2[4].filter.s[1],valSouth2[5].filter.s[1],valSouth2[6].filter.s[1],valSouth2[7].filter.s[1],valSouth2[8].filter.s[1],valNorth1[1].filter.s[1],valNorth1[2].filter.s[1],valNorth1[3].filter.s[1],valNorth1[4].filter.s[1],valNorth2[1].filter.s[1],valNorth2[2].filter.s[1],valNorth2[3].filter.s[1],valNorth2[4].filter.s[1],valNorth2[5].filter.s[1],valNorth2[6].filter.s[1],valNorth2[7].filter.s[1],valNorth2[8].filter.s[1],valSouth.vol.dynBal.U,valSouth.filter.s[1],valNorth.vol.dynBal.U,valNorth.filter.s[1],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],valHea.filter.s[1],valCoo.filter.s[1],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1]) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,booleanToInteger.u,booleanToInteger.y,stepPump.pulseStart,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Top-level inputs: 0 Notification: Strong component statistics for simulation (667): * Single equations (assignments): 644 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (linear and non-linear blocks): 7 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 7 {1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(28,89.3%) 28} * Non-linear torn systems: 2 {39 64,61 189} [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4452:9-4452:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:744:5-744:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]