Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState.conf.json 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/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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) Running command: "" <> buildModelFMU(ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_Fluid_TestExamplesVariants_HeatingSystem_SteadyState",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_Fluid_TestExamplesVariants_HeatingSystem_SteadyState",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001192/0.001192, allocations: 171.2 kB / 8.739 MB, free: 348 kB / 5.871 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.365/1.365, allocations: 221.5 MB / 230.7 MB, free: 7.566 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008777/0.0008778, allocations: 95.47 kB / 281.6 MB, free: 5.316 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.1848/0.1848, allocations: 44.15 MB / 376.5 MB, free: 3.035 MB / 266.7 MB Notification: Performance of FrontEnd - loaded program: time 1.833e-05/1.835e-05, allocations: 4 kB / 444.7 MB, free: 15.14 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1152/0.1152, allocations: 61.92 MB / 0.4948 GB, free: 1.164 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 8.293/8.408, allocations: 3.17 GB / 3.665 GB, free: 134.2 MB / 0.5105 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002861/8.409, allocations: 79.95 kB / 3.665 GB, free: 134.2 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 11.6/20.01, allocations: 3.077 GB / 6.741 GB, free: 9.695 MB / 0.5573 GB Notification: Performance of FrontEnd: time 1.773e-06/20.01, allocations: 0 / 6.741 GB, free: 9.695 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 0.0002652/20.01, allocations: 63.91 kB / 6.741 GB, free: 9.637 MB / 0.5573 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 0.01771/20.03, allocations: 3.602 MB / 6.745 GB, free: 5.992 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 5.504e-05/20.03, allocations: 15.98 kB / 6.745 GB, free: 5.977 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002361/20.03, allocations: 308.6 kB / 6.745 GB, free: 5.672 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00614/20.04, allocations: 2.065 MB / 6.747 GB, free: 3.586 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001971/20.04, allocations: 151.5 kB / 6.747 GB, free: 3.426 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007968/20.04, allocations: 112 kB / 6.748 GB, free: 3.316 MB / 0.5573 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.005372/20.04, allocations: 2.835 MB / 6.75 GB, free: 488 kB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.4671/20.51, allocations: 3.011 MB / 6.753 GB, free: 61.61 MB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.842e-05/20.51, allocations: 8.203 kB / 6.753 GB, free: 61.61 MB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002746/20.51, allocations: 5.641 kB / 6.753 GB, free: 61.61 MB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003697/20.51, allocations: 203.5 kB / 6.753 GB, free: 61.61 MB / 0.5573 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 0.01949/20.53, allocations: 11.98 MB / 6.765 GB, free: 56.79 MB / 0.5573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003907/20.53, allocations: 2.173 MB / 6.767 GB, free: 56.66 MB / 0.5573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00217/20.54, allocations: 1.132 MB / 6.768 GB, free: 56.65 MB / 0.5573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00997/20.55, allocations: 5.633 MB / 6.774 GB, free: 53.88 MB / 0.5573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.567e-05/20.55, allocations: 50.48 kB / 6.774 GB, free: 53.84 MB / 0.5573 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001322/20.55, allocations: 187.8 kB / 6.774 GB, free: 53.8 MB / 0.5573 GB Notification: Performance of pre-optimization done (n=159): time 4.048e-06/20.55, allocations: 0 / 6.774 GB, free: 53.8 MB / 0.5573 GB Notification: Performance of matching and sorting (n=258): time 0.3853/20.93, allocations: 31.09 MB / 6.804 GB, free: 51.66 MB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.008e-05/20.93, allocations: 135.9 kB / 6.805 GB, free: 51.54 MB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002607/20.93, allocations: 1.216 MB / 6.806 GB, free: 51.38 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 0.0005108/20.94, allocations: 25.7 kB / 6.806 GB, free: 51.34 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008026/20.94, allocations: 1.079 MB / 6.807 GB, free: 50.86 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 0.001048/20.94, allocations: 0.8237 MB / 6.808 GB, free: 50.3 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000246/20.94, allocations: 0 / 6.808 GB, free: 50.3 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 0.0001924/20.94, allocations: 418.8 kB / 6.808 GB, free: 50 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002725/20.94, allocations: 2.049 MB / 6.81 GB, free: 49.99 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002991/20.94, allocations: 2.614 MB / 6.813 GB, free: 49.39 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00899/20.95, allocations: 3.475 MB / 6.816 GB, free: 49.34 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.629e-05/20.95, allocations: 3.094 kB / 6.816 GB, free: 49.34 MB / 0.5573 GB Notification: Performance of matching and sorting (n=351) (initialization): time 0.01972/20.97, allocations: 7.848 MB / 6.824 GB, free: 49.09 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 0.002013/20.97, allocations: 6.317 MB / 6.83 GB, free: 42.65 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.663e-05/20.97, allocations: 17.91 kB / 6.83 GB, free: 42.65 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01979/20.99, allocations: 6.576 MB / 6.836 GB, free: 42.58 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001565/21, allocations: 322.1 kB / 6.837 GB, free: 42.58 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01934/21.02, allocations: 9.221 MB / 6.846 GB, free: 41.41 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004934/21.02, allocations: 235.2 kB / 6.846 GB, free: 41.4 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009174/21.02, allocations: 154.7 kB / 6.846 GB, free: 41.4 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 1.984e-05/21.02, allocations: 3.875 kB / 6.846 GB, free: 41.4 MB / 0.5573 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01491/21.04, allocations: 6.458 MB / 6.852 GB, free: 41.29 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.109e-05/21.04, allocations: 20.5 kB / 6.852 GB, free: 41.29 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0157/21.05, allocations: 5.442 MB / 6.858 GB, free: 41.23 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002133/21.05, allocations: 395 kB / 6.858 GB, free: 41.23 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01404/21.07, allocations: 7.212 MB / 6.865 GB, free: 40.08 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004988/21.07, allocations: 227.3 kB / 6.865 GB, free: 40.07 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001044/21.07, allocations: 135.1 kB / 6.865 GB, free: 40.07 MB / 0.5573 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 0.001877/21.08, allocations: 183.7 kB / 6.866 GB, free: 39.95 MB / 0.5573 GB Notification: Performance of postOpt createAliasVarsForOutputStates (simulation): time 0.01636/21.09, allocations: 6.711 MB / 6.872 GB, free: 39.69 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009689/21.09, allocations: 217.9 kB / 6.872 GB, free: 39.58 MB / 0.5573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01924/21.11, allocations: 7.485 MB / 6.88 GB, free: 39.33 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.356e-05/21.11, allocations: 36.09 kB / 6.88 GB, free: 39.33 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.478e-05/21.11, allocations: 5.969 kB / 6.88 GB, free: 39.33 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01558/21.13, allocations: 6.617 MB / 6.886 GB, free: 37.62 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03038/21.16, allocations: 13.67 MB / 6.899 GB, free: 32.31 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.362e-05/21.16, allocations: 5.031 kB / 6.899 GB, free: 32.31 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008118/21.16, allocations: 168.9 kB / 6.9 GB, free: 32.31 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01811/21.18, allocations: 6.451 MB / 6.906 GB, free: 31.23 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00086/21.18, allocations: 50.95 kB / 6.906 GB, free: 31.22 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01748/21.2, allocations: 8.888 MB / 6.915 GB, free: 27.43 MB / 0.5573 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Media/package.mo:4763:7-4764:44: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), $cse47(26), pump.V_flow(64), pump.eta(62) Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.01114/21.21, allocations: 3.788 MB / 6.918 GB, free: 26.1 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02044/21.23, allocations: 10.11 MB / 6.928 GB, free: 19.83 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002525/21.23, allocations: 0.8223 MB / 6.929 GB, free: 19.12 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001072/21.23, allocations: 3.094 kB / 6.929 GB, free: 19.12 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0038/21.24, allocations: 215.9 kB / 6.929 GB, free: 18.99 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005259/21.24, allocations: 201.3 kB / 6.929 GB, free: 18.88 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004438/21.24, allocations: 114.7 kB / 6.93 GB, free: 18.78 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.001851/21.24, allocations: 0.8955 MB / 6.93 GB, free: 17.98 MB / 0.5573 GB Notification: Performance of sort global known variables: time 4.31e-07/21.24, allocations: 4 kB / 6.93 GB, free: 17.98 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.01379/21.25, allocations: 3.075 MB / 6.933 GB, free: 15.24 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 1 ($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 0.03261/21.29, allocations: 13.29 MB / 6.946 GB, free: 4.266 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.0275/21.31, allocations: 8.359 MB / 6.955 GB, free: 13.31 MB / 0.573 GB Notification: Performance of simCode: created event and clocks part: time 1.256e-05/21.31, allocations: 0 / 6.955 GB, free: 13.31 MB / 0.573 GB Notification: Performance of simCode: created simulation system equations: time 0.009995/21.32, allocations: 3.041 MB / 6.958 GB, free: 10.75 MB / 0.573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.008406/21.33, allocations: 0.7926 MB / 6.958 GB, free: 10.2 MB / 0.573 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]