Notification: Performance of loadModel(ModelicaTest): time 1.801/1.801, allocations: 235 MB / 240.9 MB, free: 7.34 MB / 200.6 MB Notification: Performance of FrontEnd - loaded program: time 0.2114/2.013, allocations: 57.17 MB / 298.1 MB, free: 8.5 MB / 248.6 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.08315/2.096, allocations: 54.87 MB / 352.9 MB, free: 9.227 MB / 296.6 MB Notification: Performance of FrontEnd - scodeFlatten: time 4.887/6.983, allocations: 2.669 GB / 3.014 GB, free: 68.58 MB / 488.6 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0001941/6.983, allocations: 85.08 kB / 3.014 GB, free: 68.54 MB / 488.6 MB Notification: Performance of Generate backend data structure: time 3.906/10.89, allocations: 1.022 GB / 4.036 GB, free: 14.86 MB / 0.5241 GB Notification: Performance of prepare preOptimizeDAE: time 3.802e-05/10.89, allocations: 12 kB / 4.036 GB, free: 14.85 MB / 0.5241 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01334/10.9, allocations: 1.147 MB / 4.037 GB, free: 13.7 MB / 0.5241 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008404/10.91, allocations: 2.25 MB / 4.039 GB, free: 11.43 MB / 0.5241 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004173/10.91, allocations: 204.2 kB / 4.04 GB, free: 11.21 MB / 0.5241 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001026/10.91, allocations: 140 kB / 4.04 GB, free: 11.07 MB / 0.5241 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.009597/10.92, allocations: 3.516 MB / 4.043 GB, free: 7.551 MB / 0.5241 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0111/10.93, allocations: 3.702 MB / 4.047 GB, free: 3.625 MB / 0.5241 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.366e-05/10.93, allocations: 11.94 kB / 4.047 GB, free: 3.613 MB / 0.5241 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005454/10.93, allocations: 8 kB / 4.047 GB, free: 3.605 MB / 0.5241 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000291/10.93, allocations: 228.8 kB / 4.047 GB, free: 3.379 MB / 0.5241 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.2405/11.17, allocations: 19.9 MB / 4.067 GB, free: 53.63 MB / 0.5241 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002939/11.18, allocations: 1.419 MB / 4.068 GB, free: 53.61 MB / 0.5241 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002699/11.18, allocations: 1.305 MB / 4.069 GB, free: 53.59 MB / 0.5241 GB Notification: Performance of preOpt evalFunc (simulation): time 0.04454/11.22, allocations: 17.06 MB / 4.086 GB, free: 43.08 MB / 0.5241 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.916e-05/11.22, allocations: 57.94 kB / 4.086 GB, free: 43.04 MB / 0.5241 GB Notification: Performance of pre-optimization done (n=181): time 6.409e-06/11.22, allocations: 1.781 kB / 4.086 GB, free: 43.04 MB / 0.5241 GB Notification: Performance of matching and sorting (n=281): time 0.5201/11.74, allocations: 35.27 MB / 4.12 GB, free: 40.77 MB / 0.5241 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.556e-05/11.74, allocations: 130.3 kB / 4.12 GB, free: 40.64 MB / 0.5241 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002494/11.75, allocations: 1.24 MB / 4.122 GB, free: 40.48 MB / 0.5241 GB Notification: Performance of collectPreVariables (initialization): time 0.0006907/11.75, allocations: 29.64 kB / 4.122 GB, free: 40.45 MB / 0.5241 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005738/11.75, allocations: 0.9318 MB / 4.123 GB, free: 40.03 MB / 0.5241 GB Notification: Performance of collectInitialBindings (initialization): time 0.001204/11.75, allocations: 0.8956 MB / 4.124 GB, free: 39.54 MB / 0.5241 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004467/11.75, allocations: 0 / 4.124 GB, free: 39.54 MB / 0.5241 GB Notification: Performance of setup shared object (initialization): time 0.000187/11.75, allocations: 422 kB / 4.124 GB, free: 39.23 MB / 0.5241 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005278/11.76, allocations: 2.781 MB / 4.127 GB, free: 39.22 MB / 0.5241 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005829/11.76, allocations: 3.322 MB / 4.13 GB, free: 38.65 MB / 0.5241 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02727/11.79, allocations: 5.538 MB / 4.135 GB, free: 38.61 MB / 0.5241 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.717e-05/11.79, allocations: 5.375 kB / 4.135 GB, free: 38.61 MB / 0.5241 GB Notification: Performance of matching and sorting (n=370) (initialization): time 0.0435/11.83, allocations: 11.99 MB / 4.147 GB, free: 38.35 MB / 0.5241 GB Notification: Performance of prepare postOptimizeDAE: time 0.001133/11.83, allocations: 5.954 MB / 4.153 GB, free: 32.27 MB / 0.5241 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.459e-05/11.83, allocations: 15.78 kB / 4.153 GB, free: 32.27 MB / 0.5241 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03253/11.87, allocations: 7.771 MB / 4.16 GB, free: 32.21 MB / 0.5241 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002182/11.87, allocations: 347.9 kB / 4.161 GB, free: 32.21 MB / 0.5241 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03544/11.9, allocations: 12.53 MB / 4.173 GB, free: 31.04 MB / 0.5241 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006608/11.91, allocations: 338.5 kB / 4.173 GB, free: 31.02 MB / 0.5241 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001118/11.91, allocations: 183.6 kB / 4.173 GB, free: 31.02 MB / 0.5241 GB Notification: Performance of prepare postOptimizeDAE: time 1.217e-05/11.91, allocations: 3.344 kB / 4.173 GB, free: 31.02 MB / 0.5241 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03095/11.94, allocations: 8.153 MB / 4.181 GB, free: 30.92 MB / 0.5241 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.757e-05/11.94, allocations: 17.03 kB / 4.181 GB, free: 30.92 MB / 0.5241 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01844/11.96, allocations: 3.589 MB / 4.185 GB, free: 30.88 MB / 0.5241 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003017/11.96, allocations: 0.4963 MB / 4.185 GB, free: 30.88 MB / 0.5241 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01459/11.98, allocations: 6.354 MB / 4.192 GB, free: 29.74 MB / 0.5241 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005012/11.98, allocations: 283.5 kB / 4.192 GB, free: 29.73 MB / 0.5241 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008477/11.99, allocations: 156 kB / 4.192 GB, free: 29.73 MB / 0.5241 GB 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 0.0005616/11.99, allocations: 83.12 kB / 4.192 GB, free: 29.65 MB / 0.5241 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003964/11.99, allocations: 0.7352 MB / 4.193 GB, free: 29.54 MB / 0.5241 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03749/12.03, allocations: 17.27 MB / 4.21 GB, free: 28.93 MB / 0.5241 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.00011/12.03, allocations: 101.2 kB / 4.21 GB, free: 28.92 MB / 0.5241 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.521e-06/12.03, allocations: 0 / 4.21 GB, free: 28.92 MB / 0.5241 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.02845/12.06, allocations: 15.19 MB / 4.225 GB, free: 26.31 MB / 0.5241 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.07074/12.13, allocations: 29.1 MB / 4.253 GB, free: 6.812 MB / 0.5241 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.184e-05/12.13, allocations: 4 kB / 4.253 GB, free: 6.809 MB / 0.5241 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001263/12.13, allocations: 214 kB / 4.253 GB, free: 6.641 MB / 0.5241 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.2531/12.38, allocations: 13.57 MB / 4.267 GB, free: 60.38 MB / 0.5241 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007927/12.38, allocations: 77.84 kB / 4.267 GB, free: 60.38 MB / 0.5241 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03447/12.42, allocations: 16.12 MB / 4.282 GB, free: 59.23 MB / 0.5241 GB Error: Model is structurally singular, error found sorting equations 9: $cse3 = max(0.0, tank.level - tank.portsData[2].height); 106: $cse10 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(tank.vessel_ps_static[2], smooth(0, tank.medium.h), 0, 0); 4: tank.vessel_ps_static[2] = $cse3 * system.g * tank.heatTransfer.states[1].d + tank.p_ambient; 105: $cse11 = Modelica.Media.Water.IF97_Utilities.rho_props_ph(tank.vessel_ps_static[2], smooth(0, tank.medium.h), $cse10); 72: tank.portVelocities[2] = smooth(0, (-m_flow) / ($cse11 * tank.portAreas[2])); 99: $cse45 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pipe.mediums[1].p, pipe.mediums[1].h, pipe.statesFM[1].phase, 0); 100: pipe.statesFM[1].phase = if pipe.mediums[1].h < Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(pipe.mediums[1].p, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(pipe.mediums[1].p)) or pipe.mediums[1].h > Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(pipe.mediums[1].p, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(pipe.mediums[1].p)) or pipe.mediums[1].p > 22064000.0 then 1 else 2; 97: pipe.statesFM[1].T = Modelica.Media.Water.IF97_Utilities.T_props_ph(pipe.mediums[1].p, pipe.mediums[1].h, $cse45); 92: $cse46 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(pipe.mediums[2].p, pipe.mediums[2].h, pipe.statesFM[2].phase, 0); 93: pipe.statesFM[2].phase = if pipe.mediums[2].h < Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(pipe.mediums[2].p, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(pipe.mediums[2].p)) or pipe.mediums[2].h > Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(pipe.mediums[2].p, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(pipe.mediums[2].p)) or pipe.mediums[2].p > 22064000.0 then 1 else 2; 91: pipe.statesFM[2].T = Modelica.Media.Water.IF97_Utilities.T_props_ph(pipe.mediums[2].p, pipe.mediums[2].h, $cse46); 88: pipe.flowModel.Fs_p[1] = 0.5 * (pipe.crossAreas[1] + pipe.crossAreas[2]) * (pipe.mediums[2].p - pipe.mediums[1].p) * pipe.flowModel.nParallel; 98: pipe.statesFM[1].d = Modelica.Media.Water.IF97_Utilities.rho_props_ph(pipe.mediums[1].p, pipe.mediums[1].h, $cse45); 96: pipe.flowModel.mus[1] = Modelica.Media.Water.IF97_Utilities.dynamicViscosity(pipe.statesFM[1].d, pipe.statesFM[1].T, pipe.mediums[1].p, pipe.statesFM[1].phase); 90: pipe.statesFM[2].d = Modelica.Media.Water.IF97_Utilities.rho_props_ph(pipe.mediums[2].p, pipe.mediums[2].h, $cse46); 89: pipe.flowModel.mus[2] = Modelica.Media.Water.IF97_Utilities.dynamicViscosity(pipe.statesFM[2].d, pipe.statesFM[2].T, pipe.mediums[2].p, pipe.statesFM[2].phase); 87: pipe.flowModel.dps_fg[1] = -2.0 * pipe.flowModel.Fs_p[1] / (pipe.flowModel.nParallel * (pipe.crossAreas[1] + pipe.crossAreas[2])); 86: $cse56 = Modelica.Fluid.Pipes.DynamicPipe$pipe.FlowModel$pipe$flowModel.WallFriction.massFlowRate_dp_staticHead(pipe.flowModel.dps_fg[1], pipe.statesFM[1].d, pipe.statesFM[2].d, pipe.flowModel.mus[1], pipe.flowModel.mus[2], 10.0, pipe.flowModel.diameters[1], 0.0, 0.5 * (pipe.crossAreas[1] + pipe.crossAreas[2]), 0.5 * (pipe.roughnesses[1] + pipe.roughnesses[2]), pipe.flowModel.dp_small, pipe.flowModel.Re_turbulent); 110: tank.heatTransfer.states[1].d = Modelica.Media.Water.IF97_Utilities.rho_props_ph(tank.p_ambient, tank.medium.h, $cse1); 10: $cse2 = max(0.0, tank.level - tank.portsData[1].height); 56: $cse6 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(tank.vessel_ps_static[1], smooth(0, if m_flow > 0.0 then radiator.mediums[1].h else tank.medium.h), 0, 0); 2: tank.vessel_ps_static[1] = $cse2 * system.g * tank.heatTransfer.states[1].d + tank.p_ambient; 55: $cse5 = Modelica.Media.Water.IF97_Utilities.rho_props_ph(tank.vessel_ps_static[1], smooth(0, if m_flow > 0.0 then radiator.mediums[1].h else tank.medium.h), $cse6); 85: m_flow = $cse56 * pipe.flowModel.nParallel; 52: tank.portVelocities[1] = smooth(0, m_flow / ($cse5 * tank.portAreas[1])); 84: tank.ports_H_flow[1] = m_flow * smooth(0, if m_flow > 0.0 then radiator.mediums[1].h else tank.medium.h); 71: tank.ports_E_flow[2] = (-m_flow) * (0.5 * tank.portVelocities[2] ^ 2.0 + system.g * tank.portsData[2].height); 68: tank.ports_H_flow[2] = (-m_flow) * smooth(0, tank.medium.h); 51: tank.ports_E_flow[1] = m_flow * (0.5 * tank.portVelocities[1] ^ 2.0 + system.g * tank.portsData[1].height); 50: tank.Hb_flow = tank.ports_H_flow[1] + tank.ports_H_flow[2] + tank.ports_E_flow[1] + tank.ports_E_flow[2]; 8: tank.heatTransfer.surfaceAreas[1] = tank.crossArea + 3.544907701811032 * sqrt(tank.crossArea) * tank.level; 133: $STATESET1.J[14] = -(tank.Hb_flow + 10.0 * tank.heatTransfer.surfaceAreas[1] * (tank.heatTransfer.T_ambient - tank.heatTransfer.Ts[1])); 112: tank.heatTransfer.states[1].phase = if tank.medium.h < Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(tank.p_ambient, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(tank.p_ambient)) or tank.medium.h > Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.hvl_p(tank.p_ambient, Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(tank.p_ambient)) or tank.p_ambient > 22064000.0 then 1 else 2; 109: tank.heatTransfer.Ts[1] = Modelica.Media.Water.IF97_Utilities.T_props_ph(tank.p_ambient, tank.medium.h, $cse1); 111: $cse1 = Modelica.Media.Water.IF97_Utilities.waterBaseProp_ph(tank.p_ambient, tank.medium.h, tank.heatTransfer.states[1].phase, 0); for variables tank.s[2](353), $cse8.x(83), $cse8.dpT(85), $cse10.pt(89), $cse10.phase(90), $cse10.dpT(91), $cse10.pd(92), $cse10.region(93), $cse10.cv(98), $cse32.phase(104), $cse32.cp(107), $cse10.vp(97), $cse32.dpT(109), $cse10.s(95), $cse10.cp(100), $cse32.s(108), $cse10.p(94), $cse3(348), $cse10.x(96), tank.ports_E_flow[2](197), $cse45.rho(125), $cse45.region(128), $cse32.h(118), $cse32.pt(114), $cse32.vt(115), pipe.statesFM[1].phase(123), $cse45.s(130), pipe.statesFM[1].d(140), $cse45.pt(132), pipe.statesFM[1].T(141), $cse45.cp(135), $cse22.vp(146), $cse45.R(139), $cse45.vt(131), pipe.flowModel.mus[1](142), $cse45.cv(137), $cse32.region(116), $cse45.h(134), $cse46.x(161), $cse46.phase(162), $cse46.p(163), $cse46.vp(164), $cse46.vt(165), $cse46.region(166), $cse46.T(167), $cse46.R(168), $cse46.dpT(169), $cse46.cp(170), $cse46.h(171), $cse46.cv(172), $cse46.s(173), $cse46.pd(174), $cse46.pt(175), $cse46.rho(176), pipe.statesFM[2].phase(160), pipe.statesFM[2].T(177), pipe.flowModel.Fs_p[1](180), $cse45.phase(133), $cse22.phase(145), pipe.statesFM[2].d(178), pipe.flowModel.mus[2](179), pipe.flowModel.dps_fg[1](181), radiator.H_flows[1](189), tank.heatTransfer.states[1].d(68), tank.s[1](354), $cse14(203), $cse58(207), $cse6.rho(215), pump.V_flow_single(202), $cse6.phase(216), $cse6.dpT(217), $cse6.T(218), $cse6.pd(220), $cse6.vp(223), $cse4.pt(230), $cse4.R(231), $cse6.pt(222), $cse6.p(226), $cse6.cv(225), $cse4.region(232), $cse4.p(234), tank.ports_penetration[2](346), $cse4.phase(229), tank.ports_H_flow[1](184), $cse19.cp(254), pipe.vs[1](194), pipe.vs[2](192), pump.eta(204), $cse4.cv(239), $cse4.h(241), tank.inFlow[2](352), tank.heatTransfer.states[1].phase(51), tank.heatTransfer.Ts[1](69), $cse1.R(52), $cse1.cv(67), $cse1.vt(54), $cse1.region(61), $cse1.h(55), $cse1.pd(64), $cse1.vp(60), $cse1.p(66), $cse1.T(59), $cse1.s(62), $cse1.rho(53), $cse1.cp(63), $cse1.pt(65), $cse1.phase(58), $cse1.x(56), $cse1.dpT(57), $cse33.T(296) Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.02054/12.44, allocations: 8.322 MB / 4.29 GB, free: 58.38 MB / 0.5241 GB Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.06577/12.5, allocations: 23.08 MB / 4.313 GB, free: 57.62 MB / 0.5241 GB Notification: Performance of postOpt generateSymbolicLinearization (simulation): time 0.09902/12.6, allocations: 41.37 MB / 4.353 GB, free: 56.14 MB / 0.5241 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003532/12.61, allocations: 1.024 MB / 4.354 GB, free: 55.88 MB / 0.5241 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001269/12.61, allocations: 3.188 kB / 4.354 GB, free: 55.88 MB / 0.5241 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005275/12.61, allocations: 331.7 kB / 4.355 GB, free: 55.87 MB / 0.5241 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001001/12.61, allocations: 271.7 kB / 4.355 GB, free: 55.86 MB / 0.5241 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005597/12.61, allocations: 140.9 kB / 4.355 GB, free: 55.86 MB / 0.5241 GB Notification: Performance of sort global known variables: time 0.001833/12.62, allocations: 0.8878 MB / 4.356 GB, free: 55.75 MB / 0.5241 GB Notification: Performance of remove unused functions: time 0.02068/12.64, allocations: 4.976 MB / 4.361 GB, free: 55.75 MB / 0.5241 GB Notification: Performance of Backend phase and start with SimCode phase: time 0.01997/12.66, allocations: 4.507 MB / 4.365 GB, free: 55.46 MB / 0.5241 GB Notification: Performance of simCode: created initialization part: time 0.02977/12.69, allocations: 12.09 MB / 4.377 GB, free: 53.93 MB / 0.5241 GB Notification: Performance of simCode: created event and clocks part: time 9.927e-06/12.69, allocations: 0 / 4.377 GB, free: 53.93 MB / 0.5241 GB Notification: Performance of simCode: created simulation system equations: time 0.01534/12.7, allocations: 6.8 MB / 4.384 GB, free: 51.14 MB / 0.5241 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006708/12.71, allocations: 0.8621 MB / 4.385 GB, free: 50.98 MB / 0.5241 GB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4354:9-4354:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:596:5-596:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed] Error: Internal error SimCode: The model ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState could not be translated to FMU