Notification: Performance of loadModel(Modelica): time 1.526/1.526, allocations: 194.5 MB / 200.7 MB, free: 5.152 MB / 168.6 MB
Notification: Performance of FrontEnd - loaded program: time 9.987e-06/1.013e-05, allocations: 1.125 kB / 247.4 MB, free: 4.633 MB / 200.6 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.06263/0.06271, allocations: 44.37 MB / 291.8 MB, free: 9.168 MB / 248.6 MB
Notification: Performance of FrontEnd - scodeFlatten: time 4.904/4.967, allocations: 2.66 GB / 2.945 GB, free: 101 MB / 408.6 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0001919/4.968, allocations: 88.75 kB / 2.945 GB, free: 101 MB / 408.6 MB
Notification: Performance of FrontEnd: time 4.185/9.153, allocations: 1.018 GB / 3.963 GB, free: 20.27 MB / 456.6 MB
Notification: Performance of Transformations before backend: time 0.0002055/9.153, allocations: 79.77 kB / 3.963 GB, free: 20.26 MB / 456.6 MB
Notification: Performance of Generate backend data structure: time 0.01546/9.169, allocations: 4.414 MB / 3.968 GB, free: 18.18 MB / 456.6 MB
Notification: Performance of prepare preOptimizeDAE: time 3.939e-05/9.169, allocations: 7.312 kB / 3.968 GB, free: 18.18 MB / 456.6 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01268/9.181, allocations: 1.148 MB / 3.969 GB, free: 18.02 MB / 456.6 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007196/9.189, allocations: 2.215 MB / 3.971 GB, free: 17.46 MB / 456.6 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002898/9.189, allocations: 207.4 kB / 3.971 GB, free: 17.39 MB / 456.6 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000713/9.19, allocations: 140.8 kB / 3.971 GB, free: 17.39 MB / 456.6 MB
Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.007443/9.197, allocations: 3.528 MB / 3.975 GB, free: 17.38 MB / 456.6 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.007131/9.205, allocations: 3.715 MB / 3.978 GB, free: 16.77 MB / 456.6 MB
Notification: Performance of preOpt findStateOrder (simulation): time 7.878e-05/9.205, allocations: 13.28 kB / 3.979 GB, free: 16.76 MB / 456.6 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003898/9.205, allocations: 5.875 kB / 3.979 GB, free: 16.76 MB / 456.6 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002317/9.206, allocations: 240.1 kB / 3.979 GB, free: 16.75 MB / 456.6 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02995/9.236, allocations: 19.86 MB / 3.998 GB, free: 4.914 MB / 456.6 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.002758/9.238, allocations: 1.522 MB / 4 GB, free: 4.891 MB / 456.6 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.002896/9.241, allocations: 1.5 MB / 4.001 GB, free: 4.875 MB / 456.6 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.04353/9.285, allocations: 17.07 MB / 4.018 GB, free: 9.703 MB / 472.6 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.931e-05/9.285, allocations: 54.19 kB / 4.018 GB, free: 9.66 MB / 472.6 MB
Notification: Performance of pre-optimization done (n=194): time 8.451e-06/9.285, allocations: 0 / 4.018 GB, free: 9.66 MB / 472.6 MB
Notification: Performance of matching and sorting (n=244): time 0.4475/9.733, allocations: 19.42 MB / 4.037 GB, free: 34.16 MB / 472.6 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.512e-05/9.733, allocations: 126.3 kB / 4.037 GB, free: 34.03 MB / 472.6 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002216/9.735, allocations: 1.221 MB / 4.038 GB, free: 33.88 MB / 472.6 MB
Notification: Performance of collectPreVariables (initialization): time 0.0005137/9.736, allocations: 29.45 kB / 4.038 GB, free: 33.85 MB / 472.6 MB
Notification: Performance of collectInitialEqns (initialization): time 0.00051/9.736, allocations: 0.9061 MB / 4.039 GB, free: 33.76 MB / 472.6 MB
Notification: Performance of collectInitialBindings (initialization): time 0.0009123/9.737, allocations: 0.7932 MB / 4.04 GB, free: 33.42 MB / 472.6 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003239/9.738, allocations: 0 / 4.04 GB, free: 33.42 MB / 472.6 MB
Notification: Performance of setup shared object (initialization): time 0.0001659/9.738, allocations: 415.9 kB / 4.04 GB, free: 33.11 MB / 472.6 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00401/9.742, allocations: 2.042 MB / 4.042 GB, free: 33.11 MB / 472.6 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004258/9.746, allocations: 2.532 MB / 4.045 GB, free: 32.59 MB / 472.6 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.02383/9.77, allocations: 4.576 MB / 4.049 GB, free: 32.54 MB / 472.6 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.675e-05/9.77, allocations: 3.438 kB / 4.049 GB, free: 32.54 MB / 472.6 MB
Notification: Performance of matching and sorting (n=339) (initialization): time 0.04676/9.817, allocations: 10.44 MB / 4.059 GB, free: 32.29 MB / 472.6 MB
Notification: Performance of prepare postOptimizeDAE: time 0.001006/9.818, allocations: 5.418 MB / 4.065 GB, free: 26.75 MB / 472.6 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.477e-05/9.819, allocations: 11.94 kB / 4.065 GB, free: 26.75 MB / 472.6 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01764/9.836, allocations: 4.458 MB / 4.069 GB, free: 26.7 MB / 472.6 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002478/9.839, allocations: 370.3 kB / 4.069 GB, free: 26.7 MB / 472.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02143/9.86, allocations: 7.959 MB / 4.077 GB, free: 25.57 MB / 472.6 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00616/9.867, allocations: 368.3 kB / 4.077 GB, free: 25.56 MB / 472.6 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008722/9.868, allocations: 158.4 kB / 4.078 GB, free: 25.56 MB / 472.6 MB
Notification: Performance of prepare postOptimizeDAE: time 1.278e-05/9.868, allocations: 6.5 kB / 4.078 GB, free: 25.56 MB / 472.6 MB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02709/9.895, allocations: 6.889 MB / 4.084 GB, free: 25.46 MB / 472.6 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.239e-05/9.895, allocations: 13.47 kB / 4.084 GB, free: 25.46 MB / 472.6 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01309/9.908, allocations: 2.478 MB / 4.087 GB, free: 25.43 MB / 472.6 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003327/9.911, allocations: 484.2 kB / 4.087 GB, free: 25.43 MB / 472.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009349/9.921, allocations: 4.269 MB / 4.091 GB, free: 24.85 MB / 472.6 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004997/9.926, allocations: 344.2 kB / 4.092 GB, free: 24.84 MB / 472.6 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007063/9.927, allocations: 142 kB / 4.092 GB, free: 24.84 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 0.0004341/9.927, allocations: 78.67 kB / 4.092 GB, free: 24.76 MB / 472.6 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003393/9.931, allocations: 0.6842 MB / 4.093 GB, free: 24.65 MB / 472.6 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02488/9.956, allocations: 11.73 MB / 4.104 GB, free: 24.03 MB / 472.6 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.02008/9.976, allocations: 10.17 MB / 4.114 GB, free: 23.52 MB / 472.6 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.019e-05/9.976, allocations: 0 / 4.114 GB, free: 23.52 MB / 472.6 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01917/9.995, allocations: 10.33 MB / 4.124 GB, free: 22.7 MB / 472.6 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0385/10.03, allocations: 18.17 MB / 4.142 GB, free: 21.29 MB / 472.6 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.696e-05/10.03, allocations: 0 / 4.142 GB, free: 21.29 MB / 472.6 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00296/10.04, allocations: 420.2 kB / 4.142 GB, free: 21.29 MB / 472.6 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01188/10.05, allocations: 4.231 MB / 4.146 GB, free: 21.09 MB / 472.6 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006414/10.05, allocations: 71.22 kB / 4.146 GB, free: 21.09 MB / 472.6 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01662/10.07, allocations: 10.71 MB / 4.157 GB, free: 14.7 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 0.006708/10.07, allocations: 2.905 MB / 4.16 GB, free: 13.55 MB / 472.6 MB
Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.02898/10.1, allocations: 13.42 MB / 4.173 GB, free: 6.379 MB / 472.6 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.002558/10.11, allocations: 0.854 MB / 4.174 GB, free: 5.637 MB / 472.6 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008147/10.11, allocations: 22.08 kB / 4.174 GB, free: 5.625 MB / 472.6 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0044/10.11, allocations: 294 kB / 4.174 GB, free: 5.445 MB / 472.6 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007596/10.11, allocations: 229.3 kB / 4.174 GB, free: 5.316 MB / 472.6 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003898/10.11, allocations: 118.6 kB / 4.174 GB, free: 5.227 MB / 472.6 MB
Notification: Performance of sort global known variables: time 0.00159/10.11, allocations: 0.8735 MB / 4.175 GB, free: 4.441 MB / 472.6 MB
Notification: Performance of remove unused functions: time 0.01305/10.13, allocations: 3.733 MB / 4.179 GB, free: 1.188 MB / 472.6 MB
Notification: Performance of Backend phase and start with SimCode phase: time 0.01588/10.14, allocations: 3.894 MB / 4.183 GB, free: 14.74 MB / 488.6 MB
Notification: Performance of simCode: created initialization part: time 0.02229/10.16, allocations: 9.273 MB / 4.192 GB, free: 6.582 MB / 488.6 MB
Notification: Performance of simCode: created event and clocks part: time 9.987e-06/10.16, allocations: 0 / 4.192 GB, free: 6.582 MB / 488.6 MB
Notification: Performance of simCode: created simulation system equations: time 0.01134/10.18, allocations: 5.051 MB / 4.197 GB, free: 2.121 MB / 488.6 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0065/10.18, allocations: 0.8838 MB / 4.197 GB, free: 1.516 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]