Notification: Performance of loadModel(Modelica): time 1.465/1.465, allocations: 194.3 MB / 200.5 MB, free: 5.293 MB / 168.6 MB
Notification: Performance of FrontEnd - loaded program: time 9.428e-06/9.499e-06, allocations: 1.062 kB / 247.2 MB, free: 4.734 MB / 200.6 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.05958/0.05965, allocations: 44.32 MB / 291.5 MB, free: 9.434 MB / 248.6 MB
Notification: Performance of FrontEnd - scodeFlatten: time 4.848/4.907, allocations: 2.66 GB / 2.945 GB, free: 80.97 MB / 392.6 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0001832/4.908, allocations: 83.73 kB / 2.945 GB, free: 80.96 MB / 392.6 MB
Notification: Performance of FrontEnd: time 3.769/8.676, allocations: 1.018 GB / 3.963 GB, free: 20.01 MB / 456.6 MB
Notification: Performance of Transformations before backend: time 0.0002388/8.677, allocations: 79.8 kB / 3.963 GB, free: 20 MB / 456.6 MB
Notification: Performance of Generate backend data structure: time 0.01459/8.691, allocations: 4.408 MB / 3.968 GB, free: 17.93 MB / 456.6 MB
Notification: Performance of prepare preOptimizeDAE: time 3.918e-05/8.691, allocations: 14.5 kB / 3.968 GB, free: 17.93 MB / 456.6 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01144/8.703, allocations: 1.145 MB / 3.969 GB, free: 17.77 MB / 456.6 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006508/8.709, allocations: 2.211 MB / 3.971 GB, free: 17.29 MB / 456.6 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000291/8.71, allocations: 207.5 kB / 3.971 GB, free: 17.21 MB / 456.6 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007912/8.711, allocations: 143.2 kB / 3.971 GB, free: 17.21 MB / 456.6 MB
Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.006964/8.718, allocations: 3.527 MB / 3.975 GB, free: 17.2 MB / 456.6 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.006188/8.724, allocations: 3.72 MB / 3.978 GB, free: 16.61 MB / 456.6 MB
Notification: Performance of preOpt findStateOrder (simulation): time 7.075e-05/8.724, allocations: 9.375 kB / 3.978 GB, free: 16.61 MB / 456.6 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003462/8.725, allocations: 13.34 kB / 3.978 GB, free: 16.6 MB / 456.6 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001981/8.725, allocations: 228.5 kB / 3.979 GB, free: 16.59 MB / 456.6 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02589/8.751, allocations: 19.9 MB / 3.998 GB, free: 20.89 MB / 472.6 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.00258/8.753, allocations: 1.525 MB / 3.999 GB, free: 20.86 MB / 472.6 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.002254/8.756, allocations: 1.491 MB / 4.001 GB, free: 20.85 MB / 472.6 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.04026/8.796, allocations: 17.07 MB / 4.018 GB, free: 10.07 MB / 472.6 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.91e-05/8.796, allocations: 63.02 kB / 4.018 GB, free: 10.02 MB / 472.6 MB
Notification: Performance of pre-optimization done (n=194): time 7.962e-06/8.796, allocations: 0 / 4.018 GB, free: 10.02 MB / 472.6 MB
Notification: Performance of matching and sorting (n=244): time 0.1794/8.976, allocations: 19.22 MB / 4.036 GB, free: 7.977 MB / 472.6 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.418e-05/8.976, allocations: 131.1 kB / 4.037 GB, free: 7.848 MB / 472.6 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002371/8.978, allocations: 1.218 MB / 4.038 GB, free: 7.668 MB / 472.6 MB
Notification: Performance of collectPreVariables (initialization): time 0.0005105/8.979, allocations: 26.86 kB / 4.038 GB, free: 7.637 MB / 472.6 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0005032/8.979, allocations: 0.9087 MB / 4.039 GB, free: 7.094 MB / 472.6 MB
Notification: Performance of collectInitialBindings (initialization): time 0.0009266/8.98, allocations: 0.7929 MB / 4.039 GB, free: 6.562 MB / 472.6 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002961/8.981, allocations: 0 / 4.039 GB, free: 6.562 MB / 472.6 MB
Notification: Performance of setup shared object (initialization): time 0.0001797/8.981, allocations: 419.4 kB / 4.04 GB, free: 6.254 MB / 472.6 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003847/8.985, allocations: 2.036 MB / 4.042 GB, free: 6.246 MB / 472.6 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004306/8.989, allocations: 2.529 MB / 4.044 GB, free: 5.715 MB / 472.6 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01876/9.008, allocations: 4.584 MB / 4.049 GB, free: 3.527 MB / 472.6 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.632e-05/9.008, allocations: 4 kB / 4.049 GB, free: 3.523 MB / 472.6 MB
Notification: Performance of matching and sorting (n=339) (initialization): time 0.04603/9.054, allocations: 10.81 MB / 4.059 GB, free: 14.16 MB / 488.6 MB
Notification: Performance of prepare postOptimizeDAE: time 0.001386/9.056, allocations: 5.427 MB / 4.065 GB, free: 8.527 MB / 488.6 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.702e-05/9.056, allocations: 15.28 kB / 4.065 GB, free: 8.516 MB / 488.6 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01557/9.072, allocations: 4.448 MB / 4.069 GB, free: 5.555 MB / 488.6 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002032/9.074, allocations: 372.3 kB / 4.069 GB, free: 5.254 MB / 488.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.196/9.27, allocations: 8.027 MB / 4.077 GB, free: 80.55 MB / 488.6 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004856/9.275, allocations: 371.2 kB / 4.078 GB, free: 80.55 MB / 488.6 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004408/9.275, allocations: 158.7 kB / 4.078 GB, free: 80.55 MB / 488.6 MB
Notification: Performance of prepare postOptimizeDAE: time 1.111e-05/9.275, allocations: 3.625 kB / 4.078 GB, free: 80.55 MB / 488.6 MB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02462/9.3, allocations: 6.89 MB / 4.084 GB, free: 80.45 MB / 488.6 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.562e-05/9.3, allocations: 13.84 kB / 4.084 GB, free: 80.45 MB / 488.6 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01006/9.31, allocations: 2.484 MB / 4.087 GB, free: 80.42 MB / 488.6 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002661/9.313, allocations: 485.9 kB / 4.087 GB, free: 80.42 MB / 488.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007781/9.321, allocations: 4.265 MB / 4.091 GB, free: 79.87 MB / 488.6 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004156/9.325, allocations: 338 kB / 4.092 GB, free: 79.87 MB / 488.6 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003573/9.326, allocations: 138.5 kB / 4.092 GB, free: 79.87 MB / 488.6 MB
Warning: There are iteration variables with default zero start attribute. For more information set -d=initialization. In OMEdit Tools->Options->Simulation->OMCFlags, in OMNotebook call setCommandLineOptions("-d=initialization").
Notification: Performance of prepare postOptimizeDAE: time 0.0004119/9.326, allocations: 83.81 kB / 4.092 GB, free: 79.79 MB / 488.6 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003219/9.329, allocations: 0.6874 MB / 4.093 GB, free: 79.79 MB / 488.6 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02159/9.351, allocations: 11.71 MB / 4.104 GB, free: 79.25 MB / 488.6 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.01685/9.368, allocations: 10.18 MB / 4.114 GB, free: 78.74 MB / 488.6 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.523e-05/9.368, allocations: 4.5 kB / 4.114 GB, free: 78.74 MB / 488.6 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01635/9.385, allocations: 10.32 MB / 4.124 GB, free: 77.92 MB / 488.6 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0351/9.42, allocations: 18.19 MB / 4.142 GB, free: 76.62 MB / 488.6 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.039e-05/9.42, allocations: 3.172 kB / 4.142 GB, free: 76.62 MB / 488.6 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002637/9.423, allocations: 419.7 kB / 4.142 GB, free: 76.62 MB / 488.6 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.009805/9.433, allocations: 4.23 MB / 4.146 GB, free: 76.43 MB / 488.6 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006159/9.433, allocations: 78.27 kB / 4.147 GB, free: 76.43 MB / 488.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01454/9.448, allocations: 10.7 MB / 4.157 GB, free: 71.75 MB / 488.6 MB
Error: Model is structurally singular, error found sorting equations 
 35: $cse27 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pump.p_b_nominal, pump.medium.h, 0, 0);
34: heater.statesFM[1].T = Modelica.Media.Water.IF97_Utilities.T_props_ph(pump.p_b_nominal, pump.medium.h, $cse27);
17: heater.heatTransfer.Ts[1] = Modelica.Media.Water.IF97_Utilities.T_props_ph(heater.mediums[1].p, heater.mediums[1].h, $cse17);
14: heater.flowModel.Fs_p[1] = heater.crossAreas[1] * (heater.mediums[1].p - pump.p_b_nominal) * heater.flowModel.nParallel;
27: pump.heatTransfer.states[1].phase = if pump.medium.h < Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(pump.p_b_nominal, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(pump.p_b_nominal)) or pump.medium.h > Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(pump.p_b_nominal, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(pump.p_b_nominal)) or pump.p_b_nominal > 22064000.0 then 1 else 2;
26: $cse6 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pump.p_b_nominal, pump.medium.h, pump.heatTransfer.states[1].phase, 0);
10: pump.Hb_flow = m_flow * (smooth(0, tank.medium.h) - smooth(0, pump.medium.h));
8: -pump.Hb_flow = pump.W_single * /*Real*/(pump.nParallel);
5: pump.eta = Modelica.Fluid.Machines.ControlledPump$pump.efficiencyCharacteristic(pump.V_flow_single * pump.N_nominal / pump.N, 0.8);
3: pump.dp_pump = pump.p_b_nominal - tank.ports[2].p;
38: $STATESET1.J[3] = pump.W_single - pump.dp_pump * pump.V_flow_single / pump.eta;
25: pump.rho = Modelica.Media.Water.IF97_Utilities.rho_props_ph(pump.p_b_nominal, pump.medium.h, $cse6);
7: pump.V_flow_single = pump.V_flow / /*Real*/(pump.nParallel);
9: pump.V_flow = m_flow / pump.rho;
33: heater.statesFM[1].d = Modelica.Media.Water.IF97_Utilities.rho_props_ph(pump.p_b_nominal, pump.medium.h, $cse27);
32: heater.flowModel.mus[1] = Modelica.Media.Water.IF97_Utilities.dynamicViscosity(heater.statesFM[1].d, heater.statesFM[1].T, pump.p_b_nominal, 0);
15: heater.flowModel.mus[2] = Modelica.Media.Water.IF97_Utilities.dynamicViscosity(heater.statesFM[2].d, heater.heatTransfer.Ts[1], heater.mediums[1].p, heater.statesFM[2].phase);
13: heater.flowModel.dps_fg[1] = -2.0 * heater.flowModel.Fs_p[1] / (heater.flowModel.nParallel * 2.0 * heater.crossAreas[1]);
11: m_flow = $cse43 * heater.flowModel.nParallel;
12: $cse43 = Modelica.Fluid.Pipes.DynamicPipe$heater.FlowModel$heater$flowModel.WallFriction.massFlowRate_dp_staticHead(heater.flowModel.dps_fg[1], heater.statesFM[1].d, heater.statesFM[2].d, heater.flowModel.mus[1], heater.flowModel.mus[2], heater.pathLengths[1], heater.dimensions[1], 0.0, heater.crossAreas[1], heater.roughnesses[1], 0.5 * heater.flowModel.dp_small, heater.flowModel.Re_turbulent);
19: heater.statesFM[2].phase = if heater.mediums[1].h < Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(heater.mediums[1].p, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(heater.mediums[1].p)) or heater.mediums[1].h > Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(heater.mediums[1].p, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(heater.mediums[1].p)) or heater.mediums[1].p > 22064000.0 then 1 else 2;
16: heater.statesFM[2].d = Modelica.Media.Water.IF97_Utilities.rho_props_ph(heater.mediums[1].p, heater.mediums[1].h, $cse17);
18: $cse17 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(heater.mediums[1].p, heater.mediums[1].h, heater.statesFM[2].phase, 0);
 for variables 
 $cse27.x(3), $cse27.vt(4), $cse27.pd(5), $cse27.region(6), pump.N(113), $cse27.dpT(8), $cse27.pt(7), $cse27.phase(10), $cse27.p(9), $cse27.s(11), $cse27.h(13), $cse27.cp(14), $cse27.R(15), $cse27.cv(12), $cse27.rho(17), tank.heatTransfer.states[1].phase(22), $cse1.dpT(27), $cse43(101), pump.V_flow(104), $cse6.cv(45), $cse1.pd(36), $cse6.region(42), pump.heatTransfer.states[1].phase(41), $cse6.vt(43), $cse1.cp(38), tank.regularFlow[2](40), $cse1.s(37), $cse6.cp(48), $cse6.rho(50), $cse6.dpT(46), $cse6.h(52), $cse6.x(53), $cse6.T(54), $cse6.R(55), $cse5.rho(65), $cse5.cp(64), heater.heatTransfer.Ts[1](96), heater.flowModel.mus[2](98), pump.eta(108), m_flow(102), tank.vessel_ps_static[2](61), pump.head(109), pump.W_single(105), heater.statesFM[1].d(20), $cse1.rho(30), pump.V_flow_single(106), pump.dp_pump(110), $cse17.R(95), heater.flowModel.dps_fg[1](100), $cse5.vt(77), pump.Hb_flow(103), $cse17.pt(81), heater.statesFM[2].phase(79), $cse17.pd(83), $cse17.p(89), $cse5.p(75), $cse5.T(76), $cse17.rho(80), $cse17.vp(84), $cse17.s(82), $cse17.cv(88), $cse17.phase(85), $cse17.region(91), $cse17.dpT(92), $cse17.x(93), $cse17.h(94), heater.flowModel.Fs_p[1](99), $cse1.phase(23)
Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed!
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.005556/9.454, allocations: 2.902 MB / 4.16 GB, free: 71.16 MB / 488.6 MB
Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.02474/9.478, allocations: 13.43 MB / 4.173 GB, free: 67.17 MB / 488.6 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.002447/9.481, allocations: 0.8445 MB / 4.174 GB, free: 66.72 MB / 488.6 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000869/9.482, allocations: 19.02 kB / 4.174 GB, free: 66.71 MB / 488.6 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00411/9.486, allocations: 299.1 kB / 4.174 GB, free: 66.71 MB / 488.6 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000757/9.487, allocations: 226.5 kB / 4.174 GB, free: 66.68 MB / 488.6 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003724/9.487, allocations: 118.9 kB / 4.174 GB, free: 66.66 MB / 488.6 MB
Notification: Performance of sort global known variables: time 0.001465/9.489, allocations: 0.8731 MB / 4.175 GB, free: 66.29 MB / 488.6 MB
Notification: Performance of remove unused functions: time 0.01229/9.501, allocations: 3.741 MB / 4.179 GB, free: 66.16 MB / 488.6 MB
Notification: Performance of Backend phase and start with SimCode phase: time 0.01437/9.516, allocations: 3.874 MB / 4.183 GB, free: 65.88 MB / 488.6 MB
Notification: Performance of simCode: created initialization part: time 0.02109/9.537, allocations: 9.275 MB / 4.192 GB, free: 62.74 MB / 488.6 MB
Notification: Performance of simCode: created event and clocks part: time 8.73e-06/9.537, allocations: 5.188 kB / 4.192 GB, free: 62.73 MB / 488.6 MB
Notification: Performance of simCode: created simulation system equations: time 0.01093/9.548, allocations: 5.044 MB / 4.197 GB, free: 60.71 MB / 488.6 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006064/9.554, allocations: 0.8764 MB / 4.197 GB, free: 60.42 MB / 488.6 MB
[SimCode/SimCodeUtil.mo:0:0-0:0:writable] Error: Internal error function createStateSetsSets failed.
[SimCode/SimCodeUtil.mo:0:0-0:0:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]