Notification: Performance of loadModel(Modelica): time 1.507/1.507, allocations: 194.5 MB / 200.7 MB, free: 5.168 MB / 168.6 MB
Notification: Performance of FrontEnd - loaded program: time 9.638e-06/9.777e-06, allocations: 1.281 kB / 247.4 MB, free: 4.613 MB / 200.6 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.06252/0.0626, allocations: 44.36 MB / 291.8 MB, free: 9.223 MB / 248.6 MB
Notification: Performance of FrontEnd - scodeFlatten: time 5.053/5.116, allocations: 2.66 GB / 2.945 GB, free: 89.54 MB / 408.6 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0001872/5.116, allocations: 84.78 kB / 2.945 GB, free: 89.53 MB / 408.6 MB
Notification: Performance of FrontEnd: time 4.102/9.218, allocations: 1.018 GB / 3.963 GB, free: 30.02 MB / 456.6 MB
Notification: Performance of Transformations before backend: time 0.000247/9.219, allocations: 75.55 kB / 3.963 GB, free: 30.01 MB / 456.6 MB
Notification: Performance of Generate backend data structure: time 0.0164/9.235, allocations: 4.413 MB / 3.968 GB, free: 27.94 MB / 456.6 MB
Notification: Performance of prepare preOptimizeDAE: time 3.834e-05/9.235, allocations: 11.56 kB / 3.968 GB, free: 27.94 MB / 456.6 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01273/9.248, allocations: 1.151 MB / 3.969 GB, free: 27.78 MB / 456.6 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006921/9.255, allocations: 2.216 MB / 3.971 GB, free: 27.29 MB / 456.6 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002573/9.255, allocations: 203 kB / 3.971 GB, free: 27.22 MB / 456.6 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005462/9.256, allocations: 148 kB / 3.971 GB, free: 27.22 MB / 456.6 MB
Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.007399/9.263, allocations: 3.526 MB / 3.975 GB, free: 27.2 MB / 456.6 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.008224/9.272, allocations: 3.717 MB / 3.978 GB, free: 26.62 MB / 456.6 MB
Notification: Performance of preOpt findStateOrder (simulation): time 7.662e-05/9.272, allocations: 11.72 kB / 3.979 GB, free: 26.61 MB / 456.6 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004033/9.272, allocations: 6.25 kB / 3.979 GB, free: 26.61 MB / 456.6 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002371/9.273, allocations: 241.1 kB / 3.979 GB, free: 26.61 MB / 456.6 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03048/9.303, allocations: 19.85 MB / 3.998 GB, free: 14.9 MB / 456.6 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.003227/9.307, allocations: 1.527 MB / 4 GB, free: 14.88 MB / 456.6 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003004/9.31, allocations: 1.497 MB / 4.001 GB, free: 14.86 MB / 456.6 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.0464/9.356, allocations: 17.08 MB / 4.018 GB, free: 20.15 MB / 472.6 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.246e-05/9.356, allocations: 54.75 kB / 4.018 GB, free: 20.11 MB / 472.6 MB
Notification: Performance of pre-optimization done (n=194): time 9.149e-06/9.356, allocations: 5.016 kB / 4.018 GB, free: 20.11 MB / 472.6 MB
Notification: Performance of matching and sorting (n=244): time 0.2065/9.563, allocations: 19.24 MB / 4.037 GB, free: 18.05 MB / 472.6 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.441e-05/9.563, allocations: 129.9 kB / 4.037 GB, free: 17.92 MB / 472.6 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002469/9.566, allocations: 1.22 MB / 4.038 GB, free: 17.74 MB / 472.6 MB
Notification: Performance of collectPreVariables (initialization): time 0.0005231/9.566, allocations: 27.08 kB / 4.038 GB, free: 17.71 MB / 472.6 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0006883/9.567, allocations: 0.9167 MB / 4.039 GB, free: 17.16 MB / 472.6 MB
Notification: Performance of collectInitialBindings (initialization): time 0.001104/9.568, allocations: 0.7892 MB / 4.04 GB, free: 16.63 MB / 472.6 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003325/9.568, allocations: 3.844 kB / 4.04 GB, free: 16.63 MB / 472.6 MB
Notification: Performance of setup shared object (initialization): time 0.0001745/9.569, allocations: 412.6 kB / 4.04 GB, free: 16.33 MB / 472.6 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004395/9.573, allocations: 2.038 MB / 4.042 GB, free: 16.32 MB / 472.6 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005094/9.578, allocations: 2.532 MB / 4.044 GB, free: 15.79 MB / 472.6 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.02426/9.603, allocations: 4.579 MB / 4.049 GB, free: 14.38 MB / 472.6 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.499e-05/9.603, allocations: 4 kB / 4.049 GB, free: 14.38 MB / 472.6 MB
Notification: Performance of matching and sorting (n=339) (initialization): time 0.04409/9.647, allocations: 10.44 MB / 4.059 GB, free: 8.277 MB / 472.6 MB
Notification: Performance of prepare postOptimizeDAE: time 0.001404/9.648, allocations: 5.422 MB / 4.064 GB, free: 2.66 MB / 472.6 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.582e-05/9.649, allocations: 12 kB / 4.064 GB, free: 2.648 MB / 472.6 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02361/9.672, allocations: 4.683 MB / 4.069 GB, free: 0 / 472.6 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005173/9.678, allocations: 0.499 MB / 4.07 GB, free: 0 / 472.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2102/9.888, allocations: 7.973 MB / 4.077 GB, free: 67.51 MB / 472.6 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005453/9.893, allocations: 367.3 kB / 4.078 GB, free: 67.51 MB / 472.6 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007615/9.894, allocations: 153.6 kB / 4.078 GB, free: 67.51 MB / 472.6 MB
Notification: Performance of prepare postOptimizeDAE: time 1.25e-05/9.894, allocations: 3.125 kB / 4.078 GB, free: 67.51 MB / 472.6 MB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.026/9.92, allocations: 6.893 MB / 4.085 GB, free: 67.42 MB / 472.6 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.561e-05/9.921, allocations: 13.47 kB / 4.085 GB, free: 67.42 MB / 472.6 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01247/9.933, allocations: 2.489 MB / 4.087 GB, free: 67.38 MB / 472.6 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003281/9.936, allocations: 480.7 kB / 4.087 GB, free: 67.38 MB / 472.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009/9.946, allocations: 4.264 MB / 4.092 GB, free: 66.84 MB / 472.6 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004672/9.95, allocations: 343.3 kB / 4.092 GB, free: 66.84 MB / 472.6 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004896/9.951, allocations: 141.8 kB / 4.092 GB, free: 66.84 MB / 472.6 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 0.0004208/9.951, allocations: 80.91 kB / 4.092 GB, free: 66.77 MB / 472.6 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003287/9.955, allocations: 0.6819 MB / 4.093 GB, free: 66.77 MB / 472.6 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02411/9.979, allocations: 11.72 MB / 4.104 GB, free: 66.23 MB / 472.6 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.01907/9.998, allocations: 10.17 MB / 4.114 GB, free: 65.72 MB / 472.6 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.739e-05/9.998, allocations: 3.906 kB / 4.114 GB, free: 65.72 MB / 472.6 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01855/10.02, allocations: 10.32 MB / 4.124 GB, free: 64.91 MB / 472.6 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03802/10.05, allocations: 18.18 MB / 4.142 GB, free: 63.64 MB / 472.6 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.297e-05/10.06, allocations: 6.656 kB / 4.142 GB, free: 63.64 MB / 472.6 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003015/10.06, allocations: 419 kB / 4.142 GB, free: 63.64 MB / 472.6 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01109/10.07, allocations: 4.228 MB / 4.147 GB, free: 63.45 MB / 472.6 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006147/10.07, allocations: 72.56 kB / 4.147 GB, free: 63.45 MB / 472.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01598/10.09, allocations: 10.7 MB / 4.157 GB, free: 58.77 MB / 472.6 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 0.006497/10.09, allocations: 2.917 MB / 4.16 GB, free: 58.18 MB / 472.6 MB
Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.0282/10.12, allocations: 13.42 MB / 4.173 GB, free: 57.36 MB / 472.6 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.002731/10.12, allocations: 0.853 MB / 4.174 GB, free: 57.11 MB / 472.6 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009988/10.12, allocations: 17.78 kB / 4.174 GB, free: 57.11 MB / 472.6 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004579/10.13, allocations: 299.5 kB / 4.174 GB, free: 57.1 MB / 472.6 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008224/10.13, allocations: 228.1 kB / 4.174 GB, free: 57.09 MB / 472.6 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004413/10.13, allocations: 113.6 kB / 4.174 GB, free: 57.09 MB / 472.6 MB
Notification: Performance of sort global known variables: time 0.001717/10.13, allocations: 0.8807 MB / 4.175 GB, free: 56.98 MB / 472.6 MB
Notification: Performance of remove unused functions: time 0.01388/10.15, allocations: 3.733 MB / 4.179 GB, free: 56.98 MB / 472.6 MB
Notification: Performance of Backend phase and start with SimCode phase: time 0.01549/10.16, allocations: 3.872 MB / 4.183 GB, free: 56.77 MB / 472.6 MB
Notification: Performance of simCode: created initialization part: time 0.02142/10.18, allocations: 9.272 MB / 4.192 GB, free: 53.67 MB / 472.6 MB
Notification: Performance of simCode: created event and clocks part: time 1.117e-05/10.18, allocations: 3.438 kB / 4.192 GB, free: 53.67 MB / 472.6 MB
Notification: Performance of simCode: created simulation system equations: time 0.01122/10.2, allocations: 5.042 MB / 4.197 GB, free: 51.65 MB / 472.6 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00704/10.2, allocations: 0.8832 MB / 4.198 GB, free: 51.5 MB / 472.6 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]