Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_cpp_ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Running command: "" <> buildModelFMU(ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState,fileNamePrefix="ModelicaTest_3_2_3_cpp_ModelicaTest_Fluid_TestExamplesVariants_HeatingSystem_SteadyState",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState,fileNamePrefix="ModelicaTest_3_2_3_cpp_ModelicaTest_Fluid_TestExamplesVariants_HeatingSystem_SteadyState",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.002196/0.002202, allocations: 177.8 kB / 8.36 MB, free: 0.7148 MB / 5.871 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.04/2.04, allocations: 205.3 MB / 214.1 MB, free: 14.14 MB / 187.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001109/0.001109, allocations: 86.31 kB / 262.1 MB, free: 13.88 MB / 219.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.3022/0.3022, allocations: 43.49 MB / 353.6 MB, free: 2.27 MB / 299.1 MB Notification: Performance of FrontEnd - loaded program: time 2.305e-05/2.317e-05, allocations: 224 / 418.3 MB, free: 40.95 MB / 299.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.404/0.4041, allocations: 58.86 MB / 477.2 MB, free: 5.266 MB / 315.1 MB Notification: Performance of FrontEnd - scodeFlatten: time 9.641/10.04, allocations: 3.163 GB / 3.629 GB, free: 13.35 MB / 0.4952 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002417/10.05, allocations: 79.08 kB / 3.629 GB, free: 13.31 MB / 0.4952 GB Notification: Performance of FrontEnd - DAE generated: time 14.8/24.85, allocations: 3.066 GB / 6.695 GB, free: 51.87 MB / 0.5265 GB Notification: Performance of FrontEnd: time 2.084e-06/24.85, allocations: 0 / 6.695 GB, free: 51.87 MB / 0.5265 GB Notification: Performance of Transformations before backend: time 0.0003516/24.85, allocations: 66.39 kB / 6.695 GB, free: 51.86 MB / 0.5265 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 538 * Number of variables: 538 Notification: Performance of Generate backend data structure: time 0.0186/24.87, allocations: 3.597 MB / 6.699 GB, free: 50.08 MB / 0.5265 GB Notification: Performance of prepare preOptimizeDAE: time 5.019e-05/24.87, allocations: 9.969 kB / 6.699 GB, free: 50.08 MB / 0.5265 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002551/24.87, allocations: 308.3 kB / 6.699 GB, free: 49.94 MB / 0.5265 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008823/24.88, allocations: 2.067 MB / 6.701 GB, free: 49.47 MB / 0.5265 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002939/24.88, allocations: 156.1 kB / 6.701 GB, free: 49.4 MB / 0.5265 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009997/24.88, allocations: 107.1 kB / 6.701 GB, free: 49.4 MB / 0.5265 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.008418/24.89, allocations: 2.837 MB / 6.704 GB, free: 49.39 MB / 0.5265 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.008557/24.9, allocations: 3.006 MB / 6.707 GB, free: 48.91 MB / 0.5265 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.64e-05/24.9, allocations: 4.734 kB / 6.707 GB, free: 48.91 MB / 0.5265 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003817/24.9, allocations: 10.06 kB / 6.707 GB, free: 48.91 MB / 0.5265 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003854/24.9, allocations: 198.9 kB / 6.707 GB, free: 48.91 MB / 0.5265 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 0.02945/24.93, allocations: 11.99 MB / 6.719 GB, free: 43.88 MB / 0.5265 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00578/24.93, allocations: 2.182 MB / 6.721 GB, free: 43.73 MB / 0.5265 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002605/24.93, allocations: 1.137 MB / 6.722 GB, free: 43.72 MB / 0.5265 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0131/24.95, allocations: 5.609 MB / 6.727 GB, free: 40.92 MB / 0.5265 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.15e-05/24.95, allocations: 61.05 kB / 6.728 GB, free: 40.87 MB / 0.5265 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001389/24.95, allocations: 191 kB / 6.728 GB, free: 40.8 MB / 0.5265 GB Notification: Performance of pre-optimization done (n=159): time 5.741e-06/24.95, allocations: 0 / 6.728 GB, free: 40.8 MB / 0.5265 GB Notification: Performance of matching and sorting (n=258): time 0.7975/25.75, allocations: 31.08 MB / 6.758 GB, free: 36.77 MB / 0.5265 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.398e-05/25.75, allocations: 130.1 kB / 6.758 GB, free: 36.64 MB / 0.5265 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002558/25.75, allocations: 1.221 MB / 6.759 GB, free: 35.82 MB / 0.5265 GB Notification: Performance of collectPreVariables (initialization): time 0.0008837/25.75, allocations: 29.7 kB / 6.759 GB, free: 35.78 MB / 0.5265 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007806/25.75, allocations: 1.028 MB / 6.76 GB, free: 34.82 MB / 0.5265 GB Notification: Performance of collectInitialBindings (initialization): time 0.001369/25.75, allocations: 0.8271 MB / 6.761 GB, free: 34.06 MB / 0.5265 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000431/25.75, allocations: 3.938 kB / 6.761 GB, free: 34.05 MB / 0.5265 GB Notification: Performance of setup shared object (initialization): time 0.0001913/25.75, allocations: 419.6 kB / 6.762 GB, free: 33.67 MB / 0.5265 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004843/25.76, allocations: 2.053 MB / 6.764 GB, free: 31.87 MB / 0.5265 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005904/25.76, allocations: 2.608 MB / 6.766 GB, free: 29.35 MB / 0.5265 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02933/25.79, allocations: 4.913 MB / 6.771 GB, free: 25.72 MB / 0.5265 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.652e-05/25.79, allocations: 4 kB / 6.771 GB, free: 25.72 MB / 0.5265 GB Notification: Performance of matching and sorting (n=351) (initialization): time 0.04193/25.83, allocations: 9.195 MB / 6.78 GB, free: 17.58 MB / 0.5265 GB Notification: Performance of prepare postOptimizeDAE: time 0.001393/25.84, allocations: 6.177 MB / 6.786 GB, free: 10.97 MB / 0.5265 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.186e-05/25.84, allocations: 20 kB / 6.786 GB, free: 10.95 MB / 0.5265 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03495/25.87, allocations: 6.582 MB / 6.792 GB, free: 4.469 MB / 0.5265 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002447/25.87, allocations: 319.4 kB / 6.793 GB, free: 4.156 MB / 0.5265 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03156/25.91, allocations: 9.225 MB / 6.802 GB, free: 10.9 MB / 0.5421 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007258/25.91, allocations: 230.8 kB / 6.802 GB, free: 10.7 MB / 0.5421 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009013/25.91, allocations: 155.9 kB / 6.802 GB, free: 10.54 MB / 0.5421 GB Notification: Performance of prepare postOptimizeDAE: time 1.525e-05/25.91, allocations: 0 / 6.802 GB, free: 10.54 MB / 0.5421 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03985/25.95, allocations: 7.897 MB / 6.81 GB, free: 2.66 MB / 0.5421 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.541e-05/25.95, allocations: 16 kB / 6.81 GB, free: 2.645 MB / 0.5421 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.4666/26.42, allocations: 5.103 MB / 6.815 GB, free: 64.59 MB / 0.5421 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003458/26.42, allocations: 398.6 kB / 6.815 GB, free: 64.59 MB / 0.5421 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02272/26.45, allocations: 7.166 MB / 6.822 GB, free: 63.52 MB / 0.5421 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006452/26.45, allocations: 233 kB / 6.822 GB, free: 63.52 MB / 0.5421 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009493/26.45, allocations: 134.7 kB / 6.823 GB, free: 63.52 MB / 0.5421 GB Warning: Iteration variables with default zero start attribute in torn nonlinear equation system: $DER.tank.ports[2].p:DUMMY_DER(flow=false fixed = false ) "Thermodynamic pressure in the connection point" type: Real [2] $DER.heater.mediums[1].p:DUMMY_DER(fixed = false ) "Absolute pressure of medium" type: Real [1] $DER.heater.mediums[1].h:DUMMY_DER(fixed = false ) "Specific enthalpy of medium" type: Real [1] $DER.pump.medium.h:DUMMY_DER(fixed = false ) "Specific enthalpy of medium" type: Real $DER.radiator.mediums[1].p:DUMMY_DER(fixed = false ) "Absolute pressure of medium" type: Real [1] $DER.radiator.statesFM[1].p:DUMMY_DER(fixed = false ) "Absolute pressure of medium" type: Real [3] $DER.radiator.statesFM[3].p:DUMMY_DER(fixed = false ) "Absolute pressure of medium" type: Real [3] $DER.pipe.mediums[1].h:DUMMY_DER(fixed = false ) "Specific enthalpy of medium" type: Real [2] $DER.pipe.mediums[1].p:DUMMY_DER(fixed = false ) "Absolute pressure of medium" type: Real [2] $DER.pipe.mediums[2].p:DUMMY_DER(fixed = false ) "Absolute pressure of medium" type: Real [2] $DER.pipe.mediums[2].h:DUMMY_DER(fixed = false ) "Specific enthalpy of medium" type: Real [2] $DER.radiator.mediums[1].h:DUMMY_DER(fixed = false ) "Specific enthalpy of medium" type: Real [1] $DER.m_flow:DUMMY_DER(fixed = false ) type: Real $DER.tank.medium.d:DUMMY_DER(fixed = false ) "Density of medium" type: Real $DER.tank.level:DUMMY_DER(fixed = false ) "Level height of tank" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 71 * Number of states: 0 () * Number of discrete variables: 4 (tank.regularFlow[1],tank.regularFlow[2],tank.inFlow[1],tank.inFlow[2]) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (163): * Single equations (assignments): 161 * 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: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {15 79,18 78} Notification: Performance of prepare postOptimizeDAE: time 0.001273/26.46, allocations: 179.3 kB / 6.823 GB, free: 63.41 MB / 0.5421 GB Notification: Performance of postOpt createAliasVarsForOutputStates (simulation): time 0.02684/26.48, allocations: 6.708 MB / 6.829 GB, free: 63.27 MB / 0.5421 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001474/26.48, allocations: 219.8 kB / 6.829 GB, free: 63.27 MB / 0.5421 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02795/26.51, allocations: 7.492 MB / 6.837 GB, free: 63.09 MB / 0.5421 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.166e-05/26.51, allocations: 28.97 kB / 6.837 GB, free: 63.09 MB / 0.5421 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.078e-05/26.51, allocations: 0 / 6.837 GB, free: 63.09 MB / 0.5421 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.02238/26.53, allocations: 6.618 MB / 6.843 GB, free: 62.64 MB / 0.5421 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04529/26.58, allocations: 13.65 MB / 6.857 GB, free: 61.54 MB / 0.5421 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.042e-05/26.58, allocations: 3.531 kB / 6.857 GB, free: 61.54 MB / 0.5421 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00156/26.58, allocations: 172.2 kB / 6.857 GB, free: 61.54 MB / 0.5421 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0339/26.62, allocations: 6.449 MB / 6.863 GB, free: 61.46 MB / 0.5421 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001106/26.62, allocations: 54.95 kB / 6.863 GB, free: 61.46 MB / 0.5421 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02877/26.65, allocations: 8.895 MB / 6.872 GB, free: 60.28 MB / 0.5421 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Media/package.mo:5805:7-5806:44:writable] Error: Model is structurally singular, error found sorting equations 56: pump.medium.h = 104929.294642565 + 4181.885502948852 * (-298.15 + pump.heatTransfer.states[1].T) + 0.0009260700016004721 * (-101325.0 + pump.p_b_nominal); 55: pump.rho = 997.0480319717385 * (1.0 + 4.515426036491986e-10 * (-101325.0 + pump.p_b_nominal) + (-0.0002571314017648316) * (-298.15 + pump.heatTransfer.states[1].T)); 49: $cse49 = Modelica.Fluid.Pipes.DynamicPipe$pipe.FlowModel$pipe$flowModel.Medium.pressure(Modelica.Fluid.Pipes.DynamicPipe$pipe.FlowModel$pipe$flowModel.Medium.ThermodynamicState(pipe.mediums[2].p, pipe.mediums[2].T)); 29: $cse50 = Modelica.Fluid.Pipes.DynamicPipe$pipe.FlowModel$pipe$flowModel.Medium.pressure(Modelica.Fluid.Pipes.DynamicPipe$pipe.FlowModel$pipe$flowModel.Medium.ThermodynamicState(pipe.mediums[1].p, pipe.mediums[1].T)); 28: pipe.flowModel.Fs_p[1] = 0.5 * (pipe.crossAreas[1] + pipe.crossAreas[2]) * ($cse49 - $cse50) * pipe.flowModel.nParallel; 50: pipe.mediums[2].h = 104929.294642565 + 4181.885502948852 * (-298.15 + pipe.mediums[2].T) + 0.0009260700016004721 * (-101325.0 + pipe.mediums[2].p); 61: $cse41 = Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.Medium.pressure(Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.Medium.ThermodynamicState(pump.p_b_nominal, heater.statesFM[1].T)); 17: $cse40 = Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.Medium.pressure(Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.Medium.ThermodynamicState(heater.mediums[1].p, heater.mediums[1].T)); 15: heater.flowModel.Fs_p[1] = heater.crossAreas[1] * ($cse40 - $cse41) * heater.flowModel.nParallel; 111: m_flow = $cse38 * heater.flowModel.nParallel; 60: heater.flowModel.rhos[1] = Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.Medium.density(Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.Medium.ThermodynamicState(pump.p_b_nominal, heater.statesFM[1].T)); 11: heater.flowModel.dps_fg[1] = (-2.0) * heater.flowModel.Fs_p[1] / (heater.flowModel.nParallel * 2.0 * heater.crossAreas[1]); 1: $cse38 = Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.WallFriction.massFlowRate_dp_staticHead(heater.flowModel.dps_fg[1], heater.flowModel.rhos[1], heater.flowModel.rhos[2], 0.0008899999999999999, 0.0008899999999999999, heater.pathLengths[1], heater.dimensions[1], 0.0, heater.crossAreas[1], heater.roughnesses[1], 0.5 * heater.flowModel.dp_small, heater.flowModel.Re_turbulent); 18: heater.flowModel.rhos[2] = Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.Medium.density(Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.Medium.ThermodynamicState(heater.mediums[1].p, heater.mediums[1].T)); 19: heater.mediums[1].h = 104929.294642565 + 4181.885502948852 * (-298.15 + heater.mediums[1].T) + 0.0009260700016004721 * (-101325.0 + heater.mediums[1].p); 31: pipe.mediums[1].h = 104929.294642565 + 4181.885502948852 * (-298.15 + pipe.mediums[1].T) + 0.0009260700016004721 * (-101325.0 + pipe.mediums[1].p); 36: pipe.H_flows[2] = semiLinear(m_flow, pipe.mediums[1].h, pipe.mediums[2].h); 125: $STATESET1.J[14] = pipe.H_flows[1] - semiLinear(m_flow, heater.mediums[1].h, pipe.mediums[1].h); 25: pipe.flowModel.dps_fg[1] = (-2.0) * pipe.flowModel.Fs_p[1] / (pipe.flowModel.nParallel * (pipe.crossAreas[1] + pipe.crossAreas[2])); 23: pipe.Hb_flows[1] = pipe.H_flows[1] - pipe.H_flows[2]; 27: pipe.mediums[1].d = 997.0480319717385 * (1.0 + 4.515426036491986e-10 * (-101325.0 + pipe.mediums[1].p) + (-0.0002571314017648316) * (-298.15 + pipe.mediums[1].T)); 24: -pipe.Hb_flows[1] = 0.5 * pipe.vs[1] * pipe.crossAreas[1] * (pipe.mediums[2].p + pipe.flowModel.dps_fg[1] - pipe.mediums[1].p) * pipe.nParallel; 59: heater.statesFM[1].T = 273.058616085119 + 0.0002391265851958049 * pump.medium.h + (-2.214479571349944e-07) * (-101325.0 + pump.p_b_nominal); 95: tank.ports[2].h_outflow = 104929.294642565 + 4181.885502948852 * (-298.15 + tank.medium.T) + 0.0009260700016004721 * (-101325.0 + tank.p_ambient); 26: pipe.vs[1] = m_flow / (pipe.nParallel * pipe.mediums[1].d * pipe.crossAreas[1]); 58: pump.Hb_flow = m_flow * (smooth(0, tank.ports[2].h_outflow) - smooth(0, pump.medium.h)); 64: pump.eta = Modelica.Fluid.Machines.ControlledPump$pump.efficiencyCharacteristic(pump.V_flow_single * pump.N_nominal / pump.N, 0.8); 57: -pump.Hb_flow = pump.W_single * /*Real*/(pump.nParallel); 7: pump.dp_pump = pump.p_b_nominal - tank.ports[2].p; 4: pump.V_flow = m_flow / pump.rho; 124: $STATESET1.J[13] = pump.W_single - pump.dp_pump * pump.V_flow_single / pump.eta; 62: pump.V_flow_single = pump.V_flow / /*Real*/(pump.nParallel); for variables pump.heatTransfer.states[1].T(70), pump.rho(71), pipe.flowModel.rhos[2](77), pipe.mediums[1].d(97), pipe.vs[1](98), $cse49(76), pump.head(63), heater.flowModel.Fs_p[2](110), heater.vs[1](112), $STATESET1.J[9](9), heater.flowModel.rhos[1](66), radiator.mediums[1].h(126), heater.Qb_flows[1](116), heater.flowModel.Fs_p[1](109), heater.heatTransfer.Ts[1](108), $cse50(95), heater.statesFM[3].T(91), $cse41(65), heater.H_flows[2](102), heater.Hb_flows[1](104), pipe.Hb_flows[1](100), heater.H_flows[1](103), pump.medium.h(67), radiator.statesFM[3].T(25), pipe.H_flows[1](101), pump.Hb_flow(68), $STATESET1.J[4](4), pump.W_single(69), heater.mediums[1].h(122), tank.inFlow[2](119), $cse47(26), pump.V_flow(64), pump.eta(62) Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.01715/26.66, allocations: 3.789 MB / 6.876 GB, free: 59.64 MB / 0.5421 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03245/26.7, allocations: 10.1 MB / 6.885 GB, free: 59.11 MB / 0.5421 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00366/26.7, allocations: 0.818 MB / 6.886 GB, free: 58.89 MB / 0.5421 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001218/26.7, allocations: 7.125 kB / 6.886 GB, free: 58.89 MB / 0.5421 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00628/26.71, allocations: 217 kB / 6.886 GB, free: 58.88 MB / 0.5421 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001112/26.71, allocations: 201.7 kB / 6.887 GB, free: 58.88 MB / 0.5421 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000561/26.71, allocations: 109.6 kB / 6.887 GB, free: 58.88 MB / 0.5421 GB Notification: Performance of sorting global known variables: time 0.002031/26.71, allocations: 0.8934 MB / 6.888 GB, free: 58.77 MB / 0.5421 GB Notification: Performance of sort global known variables: time 1.794e-06/26.71, allocations: 3.719 kB / 6.888 GB, free: 58.77 MB / 0.5421 GB Notification: Performance of remove unused functions: time 0.01686/26.73, allocations: 3.076 MB / 6.891 GB, free: 58.77 MB / 0.5421 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 1 ($STATESET1.x) * Number of discrete variables: 4 (tank.regularFlow[1],tank.regularFlow[2],tank.inFlow[1],tank.inFlow[2]) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (92): * Single equations (assignments): 86 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {15 77,19 107} Notification: Performance of Backend phase and start with SimCode phase: time 0.04884/26.78, allocations: 13.31 MB / 6.904 GB, free: 57.25 MB / 0.5421 GB Notification: Performance of simCode: created initialization part: time 0.03626/26.81, allocations: 8.206 MB / 6.912 GB, free: 57.1 MB / 0.5421 GB Notification: Performance of simCode: created event and clocks part: time 1.135e-05/26.81, allocations: 3.906 kB / 6.912 GB, free: 57.1 MB / 0.5421 GB Notification: Performance of simCode: created simulation system equations: time 0.01425/26.83, allocations: 3.019 MB / 6.915 GB, free: 56.44 MB / 0.5421 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007231/26.83, allocations: 0.7838 MB / 6.915 GB, free: 56.28 MB / 0.5421 GB [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:3851:9-3851:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:637:5-637:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]