Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.MultiStage.conf.json Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.MultiStage,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.MultiStage") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.273/2.273, allocations: 251.1 MB / 266.1 MB, free: 11.61 MB / 218.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001571/0.001571, allocations: 179.5 kB / 325.6 MB, free: 2.82 MB / 250.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.409/2.409, allocations: 205.4 MB / 0.5766 GB, free: 21.11 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.00107/0.00107, allocations: 100.5 kB / 0.6811 GB, free: 14 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0005131/0.0005133, allocations: 17.48 kB / 0.7951 GB, free: 135.8 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2088/0.2093, allocations: 106.3 MB / 0.8989 GB, free: 65.93 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.DXCoils.AirCooled.Examples.MultiStage): time 1.056/1.266, allocations: 170.4 MB / 1.065 GB, free: 15.49 MB / 0.698 GB Notification: Performance of NFInst.instExpressions: time 0.0405/1.306, allocations: 18.17 MB / 1.083 GB, free: 15.3 MB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003463/1.31, allocations: 35.56 kB / 1.083 GB, free: 15.3 MB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.009535/1.319, allocations: 1.46 MB / 1.084 GB, free: 15.29 MB / 0.698 GB Notification: Performance of NFTyping.typeBindings: time 0.01267/1.332, allocations: 2.124 MB / 1.087 GB, free: 15.27 MB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.01659/1.349, allocations: 2.804 MB / 1.089 GB, free: 15.2 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.01345/1.362, allocations: 4.699 MB / 1.094 GB, free: 15.17 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006823/1.369, allocations: 2.204 MB / 1.096 GB, free: 14.86 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007035/1.376, allocations: 2.059 MB / 1.098 GB, free: 14.86 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005874/1.382, allocations: 1.893 MB / 1.1 GB, free: 14.85 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.002333/1.384, allocations: 192.6 kB / 1.1 GB, free: 14.85 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01202/1.396, allocations: 2.062 MB / 1.102 GB, free: 14.85 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.003833/1.4, allocations: 1.467 MB / 1.104 GB, free: 14.85 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.003744/1.404, allocations: 1.242 MB / 1.105 GB, free: 14.82 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.02017/1.424, allocations: 10.65 MB / 1.115 GB, free: 10.66 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 5.611e-06/1.424, allocations: 0 / 1.115 GB, free: 10.66 MB / 0.698 GB Notification: Performance of FrontEnd: time 4.438e-06/1.424, allocations: 5.844 kB / 1.115 GB, free: 10.66 MB / 0.698 GB Notification: Performance of Transformations before backend: time 0.000284/1.425, allocations: 0 / 1.115 GB, free: 10.66 MB / 0.698 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 378 * Number of variables: 378 Notification: Performance of Generate backend data structure: time 0.0247/1.449, allocations: 5.588 MB / 1.121 GB, free: 7.207 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 5.205e-05/1.45, allocations: 15.81 kB / 1.121 GB, free: 7.203 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.1128/1.562, allocations: 4.041 MB / 1.125 GB, free: 5.555 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01712/1.58, allocations: 4.22 MB / 1.129 GB, free: 4.141 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001453/1.581, allocations: 454 kB / 1.129 GB, free: 3.867 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001694/1.583, allocations: 174.8 kB / 1.129 GB, free: 3.863 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03551/1.618, allocations: 6.624 MB / 1.136 GB, free: 2.402 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001096/1.619, allocations: 6.797 kB / 1.136 GB, free: 2.398 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001707/1.62, allocations: 64.81 kB / 1.136 GB, free: 2.398 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001481/1.62, allocations: 59.78 kB / 1.136 GB, free: 2.391 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.05432/1.675, allocations: 8.999 MB / 1.145 GB, free: 0.7461 MB / 0.698 GB Warning: The model contains alias variables with redundant start and/or conflicting 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 0.09254/1.767, allocations: 21.87 MB / 1.166 GB, free: 4.66 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0534/1.821, allocations: 8.895 MB / 1.175 GB, free: 14.47 MB / 0.7292 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009172/1.822, allocations: 0.5948 MB / 1.175 GB, free: 13.77 MB / 0.7292 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02452/1.846, allocations: 5.672 MB / 1.181 GB, free: 9.812 MB / 0.7292 GB Notification: Performance of pre-optimization done (n=186): time 6.082e-06/1.846, allocations: 0 / 1.181 GB, free: 9.812 MB / 0.7292 GB Notification: Performance of matching and sorting (n=188): time 0.1654/2.012, allocations: 23.59 MB / 1.204 GB, free: 8.047 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001913/2.012, allocations: 176.2 kB / 1.204 GB, free: 7.855 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02451/2.037, allocations: 7.789 MB / 1.212 GB, free: 2.527 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.001503/2.038, allocations: 114.2 kB / 1.212 GB, free: 2.457 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.005351/2.044, allocations: 2.224 MB / 1.214 GB, free: 1.434 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.001802/2.045, allocations: 0.5953 MB / 1.215 GB, free: 0.8477 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008674/2.046, allocations: 40 kB / 1.215 GB, free: 0.8086 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 0.0003629/2.047, allocations: 389.9 kB / 1.215 GB, free: 432 kB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.02445/2.071, allocations: 5.165 MB / 1.22 GB, free: 11.25 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0245/2.096, allocations: 5.348 MB / 1.225 GB, free: 5.852 MB / 0.7605 GB Notification: The given system is mixed-determined. [index = 1] Notification: Performance of analyzeInitialSystem (initialization): time 0.8129/2.909, allocations: 144 MB / 1.366 GB, free: 5.57 MB / 0.9011 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.06e-05/2.909, allocations: 4 kB / 1.366 GB, free: 5.566 MB / 0.9011 GB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: No system for the symbolic initialization was generated